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miwillhite/index.js

Last active October 31, 2016 17:34
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index.js
const daggy = require('daggy');
const R = require('ramda');
const Future = require('fluture');
const S = require('sanctuary');
const { Left, Right, Either } = S;
const Answer = daggy.taggedSum({
Pure: ['value'],
Addressable: ['street', 'city', 'postal_code', 'state'], // Address
Contactable: ['contact_uid'], // Participant and Relationship
Indexable: ['value', 'idx'], // Checkbox, Radio
Plottable: ['value', 'x', 'y'], // Likert
Phoneable: ['number', 'extension'], // Phone Number
Numeric: ['numerator', 'denominator'], // Any of the number types
});
Answer.prototype.map = function (f) {
return this.cata({
Pure: function (v) { return Answer.Pure(f(v)) },
});
};
Answer.prototype.join = function () {
return this.cata({
Pure: function (v) { return Answer.of(v.value); },
});
};
Answer.prototype.chain = function (f) {
return this.cata({
Pure: function (v) { return this.map(f).join() },
});
};
Answer.prototype.toString = function () {
return 'Answer(' + R.toString(this.value) + ')';
};
Answer.of = Answer.Pure;
//console.log(
// R.compose(R.map(R.add(3)), Answer.of)(1),
// Answer.of(Answer.of(10)).join()
//);
console.log(
R.compose(
Future.fork(console.error, console.log),
// v-either v-answer
R.lift(R.map(R.lift(S.add(1)))),
Future.fold(Left, Right),
Future.of
)(Answer.of(4))
);
Raw
minified.js
This file has been truncated, but you can view the full file.
setTimeout(function(){
;require=(function e(t,n,r){function s(o,u){if(!n[o]){if(!t[o]){var a=typeof require=="function"&&require;if(!u&&a)return a(o,!0);if(i)return i(o,!0);var f=new Error("Cannot find module '"+o+"'");throw f.code="MODULE_NOT_FOUND",f}var l=n[o]={exports:{}};t[o][0].call(l.exports,function(e){var n=t[o][1][e];return s(n?n:e)},l,l.exports,e,t,n,r)}return n[o].exports}var i=typeof require=="function"&&require;for(var o=0;o<r.length;o++)s(r[o]);return s})({"daggy":[function(require,module,exports){
/**
# Daggy
Library for creating tagged constructors.
**/
(function(global, factory) {
'use strict';
if(typeof define === 'function' && define.amd) {
define(['exports'], factory);
} else if(typeof exports !== 'undefined') {
factory(exports);
} else {
global.daggy = {};
factory(global.daggy);
}
})(this, function(exports) {
function create(proto) {
function Ctor() {}
Ctor.prototype = proto;
return new Ctor();
}
exports.create = create;
/**
## `daggy.getInstance(self, constructor)`
Returns `self` if it's an `instanceof constructor`, otherwise
creates a new object with `constructor`'s prototype.
Allows creating constructors that can be used with or without
the new keyword but always have the correct prototype.
```javascript
function WrappedArray() {
var self = daggy.getInstance(this, WrappedArray);
self._array = [].slice.apply(arguments);
return self;
}
new WrappedArray(1, 2, 3) instanceof WrappedArray; // true
WrappedArray(1, 2, 3) instanceof WrappedArray; // true
```
**/
function getInstance(self, constructor) {
return self instanceof constructor ? self : create(constructor.prototype);
}
exports.getInstance = getInstance;
/**
## `daggy.tagged(arguments)`
Creates a new constructor with the given field names as
arguments and properties. Allows `instanceof` checks with
returned constructor.
```javascript
var Tuple3 = daggy.tagged('x', 'y', 'z');
var _123 = Tuple3(1, 2, 3); // optional new keyword
_123.x == 1 && _123.y == 2 && _123.z == 3; // true
_123 instanceof Tuple3; // true
```
**/
function tagged() {
var fields = [].slice.apply(arguments);
function wrapped() {
var self = getInstance(this, wrapped),
i;
if(arguments.length != fields.length)
throw new TypeError('Expected ' + fields.length + ' arguments, got ' + arguments.length);
for(i = 0; i < fields.length; i++)
self[fields[i]] = arguments[i];
return self;
}
wrapped._length = fields.length;
return wrapped;
}
exports.tagged = tagged;
/**
## `daggy.taggedSum(constructors)`
Creates a constructor for each key in `constructors`. Returns a
function with each constructor as a property. Allows
`instanceof` checks for each constructor and the returned
function.
```javascript
var Option = daggy.taggedSum({
Some: ['x'],
None: []
});
Option.Some(1) instanceof Option.Some; // true
Option.Some(1) instanceof Option; // true
Option.None instanceof Option; // true
function incOrZero(o) {
return o.cata({
Some: function(x) {
return x + 1;
},
None: function() {
return 0;
}
});
}
incOrZero(Option.Some(1)); // 2
incOrZero(Option.None); // 0
```
**/
function taggedSum(constructors) {
var key;
function definitions() {
throw new TypeError('Tagged sum was called instead of one of its properties.');
}
function makeCata(key) {
return function(dispatches) {
var fields = constructors[key],
args = [],
i;
if(!dispatches[key])
throw new TypeError("Constructors given to cata didn't include: " + key);
for(i = 0; i < fields.length; i++)
args.push(this[fields[i]]);
return dispatches[key].apply(this, args);
};
}
function makeProto(key) {
var proto = create(definitions.prototype);
proto.cata = makeCata(key);
return proto;
}
for(key in constructors) {
if(!constructors[key].length) {
definitions[key] = makeProto(key);
continue;
}
definitions[key] = tagged.apply(null, constructors[key]);
definitions[key].prototype = makeProto(key);
}
return definitions;
}
exports.taggedSum = taggedSum;
});
},{}]},{},[])
//# sourceMappingURL=data:application/json;base64,{"version":3,"sources":["../../../../home/admin/browserify-cdn/node_modules/browserify/node_modules/browser-pack/_prelude.js","daggy.js"],"names":[],"mappings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file":"generated.js","sourceRoot":"","sourcesContent":["(function e(t,n,r){function s(o,u){if(!n[o]){if(!t[o]){var a=typeof require==\"function\"&&require;if(!u&&a)return a(o,!0);if(i)return i(o,!0);var f=new Error(\"Cannot find module '\"+o+\"'\");throw f.code=\"MODULE_NOT_FOUND\",f}var l=n[o]={exports:{}};t[o][0].call(l.exports,function(e){var n=t[o][1][e];return s(n?n:e)},l,l.exports,e,t,n,r)}return n[o].exports}var i=typeof require==\"function\"&&require;for(var o=0;o<r.length;o++)s(r[o]);return s})","/**\n  # Daggy\n\n  Library for creating tagged constructors.\n**/\n(function(global, factory) {\n    'use strict';\n\n    if(typeof define === 'function' && define.amd) {\n        define(['exports'], factory);\n    } else if(typeof exports !== 'undefined') {\n        factory(exports);\n    } else {\n        global.daggy = {};\n        factory(global.daggy);\n    }\n})(this, function(exports) {\n    function create(proto) {\n        function Ctor() {}\n        Ctor.prototype = proto;\n        return new Ctor();\n    }\n    exports.create = create;\n\n    /**\n      ## `daggy.getInstance(self, constructor)`\n\n      Returns `self` if it's an `instanceof constructor`, otherwise\n      creates a new object with `constructor`'s prototype.\n\n      Allows creating constructors that can be used with or without\n      the new keyword but always have the correct prototype.\n\n      ```javascript\n      function WrappedArray() {\n          var self = daggy.getInstance(this, WrappedArray);\n          self._array = [].slice.apply(arguments);\n          return self;\n      }\n      new WrappedArray(1, 2, 3) instanceof WrappedArray; // true\n      WrappedArray(1, 2, 3) instanceof WrappedArray; // true\n      ```\n    **/\n    function getInstance(self, constructor) {\n        return self instanceof constructor ? self : create(constructor.prototype);\n    }\n    exports.getInstance = getInstance;\n\n    /**\n      ## `daggy.tagged(arguments)`\n\n      Creates a new constructor with the given field names as\n      arguments and properties. Allows `instanceof` checks with\n      returned constructor.\n\n      ```javascript\n      var Tuple3 = daggy.tagged('x', 'y', 'z');\n\n      var _123 = Tuple3(1, 2, 3); // optional new keyword\n      _123.x == 1 && _123.y == 2 && _123.z == 3; // true\n      _123 instanceof Tuple3; // true\n      ```\n    **/\n    function tagged() {\n        var fields = [].slice.apply(arguments);\n        function wrapped() {\n            var self = getInstance(this, wrapped),\n                i;\n\n            if(arguments.length != fields.length)\n                throw new TypeError('Expected ' + fields.length + ' arguments, got ' + arguments.length);\n\n            for(i = 0; i < fields.length; i++)\n                self[fields[i]] = arguments[i];\n\n            return self;\n        }\n        wrapped._length = fields.length;\n        return wrapped;\n    }\n    exports.tagged = tagged;\n\n    /**\n      ## `daggy.taggedSum(constructors)`\n\n      Creates a constructor for each key in `constructors`. Returns a\n      function with each constructor as a property. Allows\n      `instanceof` checks for each constructor and the returned\n      function.\n\n      ```javascript\n      var Option = daggy.taggedSum({\n          Some: ['x'],\n          None: []\n      });\n\n      Option.Some(1) instanceof Option.Some; // true\n      Option.Some(1) instanceof Option; // true\n      Option.None instanceof Option; // true\n\n      function incOrZero(o) {\n          return o.cata({\n              Some: function(x) {\n                  return x + 1;\n              },\n              None: function() {\n                  return 0;\n              }\n          });\n      }\n      incOrZero(Option.Some(1)); // 2\n      incOrZero(Option.None); // 0\n      ```\n    **/\n    function taggedSum(constructors) {\n        var key;\n\n        function definitions() {\n            throw new TypeError('Tagged sum was called instead of one of its properties.');\n        }\n\n        function makeCata(key) {\n            return function(dispatches) {\n                var fields = constructors[key],\n                    args = [],\n                    i;\n\n                if(!dispatches[key])\n                    throw new TypeError(\"Constructors given to cata didn't include: \" + key);\n\n                for(i = 0; i < fields.length; i++)\n                    args.push(this[fields[i]]);\n\n                return dispatches[key].apply(this, args);\n            };\n        }\n\n        function makeProto(key) {\n            var proto = create(definitions.prototype);\n            proto.cata = makeCata(key);\n            return proto;\n        }\n\n        for(key in constructors) {\n            if(!constructors[key].length) {\n                definitions[key] = makeProto(key);\n                continue;\n            }\n            definitions[key] = tagged.apply(null, constructors[key]);\n            definitions[key].prototype = makeProto(key);\n        }\n\n        return definitions;\n    }\n    exports.taggedSum = taggedSum;\n});\n"]}
require=(function e(t,n,r){function s(o,u){if(!n[o]){if(!t[o]){var a=typeof require=="function"&&require;if(!u&&a)return a(o,!0);if(i)return i(o,!0);var f=new Error("Cannot find module '"+o+"'");throw f.code="MODULE_NOT_FOUND",f}var l=n[o]={exports:{}};t[o][0].call(l.exports,function(e){var n=t[o][1][e];return s(n?n:e)},l,l.exports,e,t,n,r)}return n[o].exports}var i=typeof require=="function"&&require;for(var o=0;o<r.length;o++)s(r[o]);return s})({"ramda":[function(require,module,exports){
// Ramda v0.22.1
// https://github.com/ramda/ramda
// (c) 2013-2016 Scott Sauyet, Michael Hurley, and David Chambers
// Ramda may be freely distributed under the MIT license.
;(function() {
'use strict';
/**
* A special placeholder value used to specify "gaps" within curried functions,
* allowing partial application of any combination of arguments, regardless of
* their positions.
*
* If `g` is a curried ternary function and `_` is `R.__`, the following are
* equivalent:
*
* - `g(1, 2, 3)`
* - `g(_, 2, 3)(1)`
* - `g(_, _, 3)(1)(2)`
* - `g(_, _, 3)(1, 2)`
* - `g(_, 2, _)(1, 3)`
* - `g(_, 2)(1)(3)`
* - `g(_, 2)(1, 3)`
* - `g(_, 2)(_, 3)(1)`
*
* @constant
* @memberOf R
* @since v0.6.0
* @category Function
* @example
*
* var greet = R.replace('{name}', R.__, 'Hello, {name}!');
* greet('Alice'); //=> 'Hello, Alice!'
*/
var __ = { '@@functional/placeholder': true };
/* eslint-disable no-unused-vars */
var _arity = function _arity(n, fn) {
/* eslint-disable no-unused-vars */
switch (n) {
case 0:
return function () {
return fn.apply(this, arguments);
};
case 1:
return function (a0) {
return fn.apply(this, arguments);
};
case 2:
return function (a0, a1) {
return fn.apply(this, arguments);
};
case 3:
return function (a0, a1, a2) {
return fn.apply(this, arguments);
};
case 4:
return function (a0, a1, a2, a3) {
return fn.apply(this, arguments);
};
case 5:
return function (a0, a1, a2, a3, a4) {
return fn.apply(this, arguments);
};
case 6:
return function (a0, a1, a2, a3, a4, a5) {
return fn.apply(this, arguments);
};
case 7:
return function (a0, a1, a2, a3, a4, a5, a6) {
return fn.apply(this, arguments);
};
case 8:
return function (a0, a1, a2, a3, a4, a5, a6, a7) {
return fn.apply(this, arguments);
};
case 9:
return function (a0, a1, a2, a3, a4, a5, a6, a7, a8) {
return fn.apply(this, arguments);
};
case 10:
return function (a0, a1, a2, a3, a4, a5, a6, a7, a8, a9) {
return fn.apply(this, arguments);
};
default:
throw new Error('First argument to _arity must be a non-negative integer no greater than ten');
}
};
var _arrayFromIterator = function _arrayFromIterator(iter) {
var list = [];
var next;
while (!(next = iter.next()).done) {
list.push(next.value);
}
return list;
};
var _arrayOf = function _arrayOf() {
return Array.prototype.slice.call(arguments);
};
var _cloneRegExp = function _cloneRegExp(pattern) {
return new RegExp(pattern.source, (pattern.global ? 'g' : '') + (pattern.ignoreCase ? 'i' : '') + (pattern.multiline ? 'm' : '') + (pattern.sticky ? 'y' : '') + (pattern.unicode ? 'u' : ''));
};
var _complement = function _complement(f) {
return function () {
return !f.apply(this, arguments);
};
};
/**
* Private `concat` function to merge two array-like objects.
*
* @private
* @param {Array|Arguments} [set1=[]] An array-like object.
* @param {Array|Arguments} [set2=[]] An array-like object.
* @return {Array} A new, merged array.
* @example
*
* _concat([4, 5, 6], [1, 2, 3]); //=> [4, 5, 6, 1, 2, 3]
*/
var _concat = function _concat(set1, set2) {
set1 = set1 || [];
set2 = set2 || [];
var idx;
var len1 = set1.length;
var len2 = set2.length;
var result = [];
idx = 0;
while (idx < len1) {
result[result.length] = set1[idx];
idx += 1;
}
idx = 0;
while (idx < len2) {
result[result.length] = set2[idx];
idx += 1;
}
return result;
};
var _containsWith = function _containsWith(pred, x, list) {
var idx = 0;
var len = list.length;
while (idx < len) {
if (pred(x, list[idx])) {
return true;
}
idx += 1;
}
return false;
};
var _filter = function _filter(fn, list) {
var idx = 0;
var len = list.length;
var result = [];
while (idx < len) {
if (fn(list[idx])) {
result[result.length] = list[idx];
}
idx += 1;
}
return result;
};
var _forceReduced = function _forceReduced(x) {
return {
'@@transducer/value': x,
'@@transducer/reduced': true
};
};
// String(x => x) evaluates to "x => x", so the pattern may not match.
var _functionName = function _functionName(f) {
// String(x => x) evaluates to "x => x", so the pattern may not match.
var match = String(f).match(/^function (\w*)/);
return match == null ? '' : match[1];
};
var _has = function _has(prop, obj) {
return Object.prototype.hasOwnProperty.call(obj, prop);
};
var _identity = function _identity(x) {
return x;
};
var _isArguments = function () {
var toString = Object.prototype.toString;
return toString.call(arguments) === '[object Arguments]' ? function _isArguments(x) {
return toString.call(x) === '[object Arguments]';
} : function _isArguments(x) {
return _has('callee', x);
};
}();
/**
* Tests whether or not an object is an array.
*
* @private
* @param {*} val The object to test.
* @return {Boolean} `true` if `val` is an array, `false` otherwise.
* @example
*
* _isArray([]); //=> true
* _isArray(null); //=> false
* _isArray({}); //=> false
*/
var _isArray = Array.isArray || function _isArray(val) {
return val != null && val.length >= 0 && Object.prototype.toString.call(val) === '[object Array]';
};
var _isFunction = function _isFunction(x) {
return Object.prototype.toString.call(x) === '[object Function]';
};
/**
* Determine if the passed argument is an integer.
*
* @private
* @param {*} n
* @category Type
* @return {Boolean}
*/
var _isInteger = Number.isInteger || function _isInteger(n) {
return n << 0 === n;
};
var _isNumber = function _isNumber(x) {
return Object.prototype.toString.call(x) === '[object Number]';
};
var _isObject = function _isObject(x) {
return Object.prototype.toString.call(x) === '[object Object]';
};
var _isPlaceholder = function _isPlaceholder(a) {
return a != null && typeof a === 'object' && a['@@functional/placeholder'] === true;
};
var _isRegExp = function _isRegExp(x) {
return Object.prototype.toString.call(x) === '[object RegExp]';
};
var _isString = function _isString(x) {
return Object.prototype.toString.call(x) === '[object String]';
};
var _isTransformer = function _isTransformer(obj) {
return typeof obj['@@transducer/step'] === 'function';
};
var _map = function _map(fn, functor) {
var idx = 0;
var len = functor.length;
var result = Array(len);
while (idx < len) {
result[idx] = fn(functor[idx]);
idx += 1;
}
return result;
};
// Based on https://developer.mozilla.org/en/docs/Web/JavaScript/Reference/Global_Objects/Object/assign
var _objectAssign = function _objectAssign(target) {
if (target == null) {
throw new TypeError('Cannot convert undefined or null to object');
}
var output = Object(target);
var idx = 1;
var length = arguments.length;
while (idx < length) {
var source = arguments[idx];
if (source != null) {
for (var nextKey in source) {
if (_has(nextKey, source)) {
output[nextKey] = source[nextKey];
}
}
}
idx += 1;
}
return output;
};
var _of = function _of(x) {
return [x];
};
var _pipe = function _pipe(f, g) {
return function () {
return g.call(this, f.apply(this, arguments));
};
};
var _pipeP = function _pipeP(f, g) {
return function () {
var ctx = this;
return f.apply(ctx, arguments).then(function (x) {
return g.call(ctx, x);
});
};
};
// \b matches word boundary; [\b] matches backspace
var _quote = function _quote(s) {
var escaped = s.replace(/\\/g, '\\\\').replace(/[\b]/g, '\\b') // \b matches word boundary; [\b] matches backspace
.replace(/\f/g, '\\f').replace(/\n/g, '\\n').replace(/\r/g, '\\r').replace(/\t/g, '\\t').replace(/\v/g, '\\v').replace(/\0/g, '\\0');
return '"' + escaped.replace(/"/g, '\\"') + '"';
};
var _reduced = function _reduced(x) {
return x && x['@@transducer/reduced'] ? x : {
'@@transducer/value': x,
'@@transducer/reduced': true
};
};
/**
* An optimized, private array `slice` implementation.
*
* @private
* @param {Arguments|Array} args The array or arguments object to consider.
* @param {Number} [from=0] The array index to slice from, inclusive.
* @param {Number} [to=args.length] The array index to slice to, exclusive.
* @return {Array} A new, sliced array.
* @example
*
* _slice([1, 2, 3, 4, 5], 1, 3); //=> [2, 3]
*
* var firstThreeArgs = function(a, b, c, d) {
* return _slice(arguments, 0, 3);
* };
* firstThreeArgs(1, 2, 3, 4); //=> [1, 2, 3]
*/
var _slice = function _slice(args, from, to) {
switch (arguments.length) {
case 1:
return _slice(args, 0, args.length);
case 2:
return _slice(args, from, args.length);
default:
var list = [];
var idx = 0;
var len = Math.max(0, Math.min(args.length, to) - from);
while (idx < len) {
list[idx] = args[from + idx];
idx += 1;
}
return list;
}
};
/**
* Polyfill from <https://developer.mozilla.org/en-US/docs/Web/JavaScript/Reference/Global_Objects/Date/toISOString>.
*/
var _toISOString = function () {
var pad = function pad(n) {
return (n < 10 ? '0' : '') + n;
};
return typeof Date.prototype.toISOString === 'function' ? function _toISOString(d) {
return d.toISOString();
} : function _toISOString(d) {
return d.getUTCFullYear() + '-' + pad(d.getUTCMonth() + 1) + '-' + pad(d.getUTCDate()) + 'T' + pad(d.getUTCHours()) + ':' + pad(d.getUTCMinutes()) + ':' + pad(d.getUTCSeconds()) + '.' + (d.getUTCMilliseconds() / 1000).toFixed(3).slice(2, 5) + 'Z';
};
}();
var _xfBase = {
init: function () {
return this.xf['@@transducer/init']();
},
result: function (result) {
return this.xf['@@transducer/result'](result);
}
};
var _xwrap = function () {
function XWrap(fn) {
this.f = fn;
}
XWrap.prototype['@@transducer/init'] = function () {
throw new Error('init not implemented on XWrap');
};
XWrap.prototype['@@transducer/result'] = function (acc) {
return acc;
};
XWrap.prototype['@@transducer/step'] = function (acc, x) {
return this.f(acc, x);
};
return function _xwrap(fn) {
return new XWrap(fn);
};
}();
var _aperture = function _aperture(n, list) {
var idx = 0;
var limit = list.length - (n - 1);
var acc = new Array(limit >= 0 ? limit : 0);
while (idx < limit) {
acc[idx] = _slice(list, idx, idx + n);
idx += 1;
}
return acc;
};
var _assign = typeof Object.assign === 'function' ? Object.assign : _objectAssign;
/**
* Similar to hasMethod, this checks whether a function has a [methodname]
* function. If it isn't an array it will execute that function otherwise it
* will default to the ramda implementation.
*
* @private
* @param {Function} fn ramda implemtation
* @param {String} methodname property to check for a custom implementation
* @return {Object} Whatever the return value of the method is.
*/
var _checkForMethod = function _checkForMethod(methodname, fn) {
return function () {
var length = arguments.length;
if (length === 0) {
return fn();
}
var obj = arguments[length - 1];
return _isArray(obj) || typeof obj[methodname] !== 'function' ? fn.apply(this, arguments) : obj[methodname].apply(obj, _slice(arguments, 0, length - 1));
};
};
/**
* Optimized internal one-arity curry function.
*
* @private
* @category Function
* @param {Function} fn The function to curry.
* @return {Function} The curried function.
*/
var _curry1 = function _curry1(fn) {
return function f1(a) {
if (arguments.length === 0 || _isPlaceholder(a)) {
return f1;
} else {
return fn.apply(this, arguments);
}
};
};
/**
* Optimized internal two-arity curry function.
*
* @private
* @category Function
* @param {Function} fn The function to curry.
* @return {Function} The curried function.
*/
var _curry2 = function _curry2(fn) {
return function f2(a, b) {
switch (arguments.length) {
case 0:
return f2;
case 1:
return _isPlaceholder(a) ? f2 : _curry1(function (_b) {
return fn(a, _b);
});
default:
return _isPlaceholder(a) && _isPlaceholder(b) ? f2 : _isPlaceholder(a) ? _curry1(function (_a) {
return fn(_a, b);
}) : _isPlaceholder(b) ? _curry1(function (_b) {
return fn(a, _b);
}) : fn(a, b);
}
};
};
/**
* Optimized internal three-arity curry function.
*
* @private
* @category Function
* @param {Function} fn The function to curry.
* @return {Function} The curried function.
*/
var _curry3 = function _curry3(fn) {
return function f3(a, b, c) {
switch (arguments.length) {
case 0:
return f3;
case 1:
return _isPlaceholder(a) ? f3 : _curry2(function (_b, _c) {
return fn(a, _b, _c);
});
case 2:
return _isPlaceholder(a) && _isPlaceholder(b) ? f3 : _isPlaceholder(a) ? _curry2(function (_a, _c) {
return fn(_a, b, _c);
}) : _isPlaceholder(b) ? _curry2(function (_b, _c) {
return fn(a, _b, _c);
}) : _curry1(function (_c) {
return fn(a, b, _c);
});
default:
return _isPlaceholder(a) && _isPlaceholder(b) && _isPlaceholder(c) ? f3 : _isPlaceholder(a) && _isPlaceholder(b) ? _curry2(function (_a, _b) {
return fn(_a, _b, c);
}) : _isPlaceholder(a) && _isPlaceholder(c) ? _curry2(function (_a, _c) {
return fn(_a, b, _c);
}) : _isPlaceholder(b) && _isPlaceholder(c) ? _curry2(function (_b, _c) {
return fn(a, _b, _c);
}) : _isPlaceholder(a) ? _curry1(function (_a) {
return fn(_a, b, c);
}) : _isPlaceholder(b) ? _curry1(function (_b) {
return fn(a, _b, c);
}) : _isPlaceholder(c) ? _curry1(function (_c) {
return fn(a, b, _c);
}) : fn(a, b, c);
}
};
};
/**
* Internal curryN function.
*
* @private
* @category Function
* @param {Number} length The arity of the curried function.
* @param {Array} received An array of arguments received thus far.
* @param {Function} fn The function to curry.
* @return {Function} The curried function.
*/
var _curryN = function _curryN(length, received, fn) {
return function () {
var combined = [];
var argsIdx = 0;
var left = length;
var combinedIdx = 0;
while (combinedIdx < received.length || argsIdx < arguments.length) {
var result;
if (combinedIdx < received.length && (!_isPlaceholder(received[combinedIdx]) || argsIdx >= arguments.length)) {
result = received[combinedIdx];
} else {
result = arguments[argsIdx];
argsIdx += 1;
}
combined[combinedIdx] = result;
if (!_isPlaceholder(result)) {
left -= 1;
}
combinedIdx += 1;
}
return left <= 0 ? fn.apply(this, combined) : _arity(left, _curryN(length, combined, fn));
};
};
/**
* Returns a function that dispatches with different strategies based on the
* object in list position (last argument). If it is an array, executes [fn].
* Otherwise, if it has a function with [methodname], it will execute that
* function (functor case). Otherwise, if it is a transformer, uses transducer
* [xf] to return a new transformer (transducer case). Otherwise, it will
* default to executing [fn].
*
* @private
* @param {String} methodname property to check for a custom implementation
* @param {Function} xf transducer to initialize if object is transformer
* @param {Function} fn default ramda implementation
* @return {Function} A function that dispatches on object in list position
*/
var _dispatchable = function _dispatchable(methodname, xf, fn) {
return function () {
var length = arguments.length;
if (length === 0) {
return fn();
}
var obj = arguments[length - 1];
if (!_isArray(obj)) {
var args = _slice(arguments, 0, length - 1);
if (typeof obj[methodname] === 'function') {
return obj[methodname].apply(obj, args);
}
if (_isTransformer(obj)) {
var transducer = xf.apply(null, args);
return transducer(obj);
}
}
return fn.apply(this, arguments);
};
};
var _dropLastWhile = function dropLastWhile(pred, list) {
var idx = list.length - 1;
while (idx >= 0 && pred(list[idx])) {
idx -= 1;
}
return _slice(list, 0, idx + 1);
};
var _xall = function () {
function XAll(f, xf) {
this.xf = xf;
this.f = f;
this.all = true;
}
XAll.prototype['@@transducer/init'] = _xfBase.init;
XAll.prototype['@@transducer/result'] = function (result) {
if (this.all) {
result = this.xf['@@transducer/step'](result, true);
}
return this.xf['@@transducer/result'](result);
};
XAll.prototype['@@transducer/step'] = function (result, input) {
if (!this.f(input)) {
this.all = false;
result = _reduced(this.xf['@@transducer/step'](result, false));
}
return result;
};
return _curry2(function _xall(f, xf) {
return new XAll(f, xf);
});
}();
var _xany = function () {
function XAny(f, xf) {
this.xf = xf;
this.f = f;
this.any = false;
}
XAny.prototype['@@transducer/init'] = _xfBase.init;
XAny.prototype['@@transducer/result'] = function (result) {
if (!this.any) {
result = this.xf['@@transducer/step'](result, false);
}
return this.xf['@@transducer/result'](result);
};
XAny.prototype['@@transducer/step'] = function (result, input) {
if (this.f(input)) {
this.any = true;
result = _reduced(this.xf['@@transducer/step'](result, true));
}
return result;
};
return _curry2(function _xany(f, xf) {
return new XAny(f, xf);
});
}();
var _xaperture = function () {
function XAperture(n, xf) {
this.xf = xf;
this.pos = 0;
this.full = false;
this.acc = new Array(n);
}
XAperture.prototype['@@transducer/init'] = _xfBase.init;
XAperture.prototype['@@transducer/result'] = function (result) {
this.acc = null;
return this.xf['@@transducer/result'](result);
};
XAperture.prototype['@@transducer/step'] = function (result, input) {
this.store(input);
return this.full ? this.xf['@@transducer/step'](result, this.getCopy()) : result;
};
XAperture.prototype.store = function (input) {
this.acc[this.pos] = input;
this.pos += 1;
if (this.pos === this.acc.length) {
this.pos = 0;
this.full = true;
}
};
XAperture.prototype.getCopy = function () {
return _concat(_slice(this.acc, this.pos), _slice(this.acc, 0, this.pos));
};
return _curry2(function _xaperture(n, xf) {
return new XAperture(n, xf);
});
}();
var _xdrop = function () {
function XDrop(n, xf) {
this.xf = xf;
this.n = n;
}
XDrop.prototype['@@transducer/init'] = _xfBase.init;
XDrop.prototype['@@transducer/result'] = _xfBase.result;
XDrop.prototype['@@transducer/step'] = function (result, input) {
if (this.n > 0) {
this.n -= 1;
return result;
}
return this.xf['@@transducer/step'](result, input);
};
return _curry2(function _xdrop(n, xf) {
return new XDrop(n, xf);
});
}();
var _xdropLast = function () {
function XDropLast(n, xf) {
this.xf = xf;
this.pos = 0;
this.full = false;
this.acc = new Array(n);
}
XDropLast.prototype['@@transducer/init'] = _xfBase.init;
XDropLast.prototype['@@transducer/result'] = function (result) {
this.acc = null;
return this.xf['@@transducer/result'](result);
};
XDropLast.prototype['@@transducer/step'] = function (result, input) {
if (this.full) {
result = this.xf['@@transducer/step'](result, this.acc[this.pos]);
}
this.store(input);
return result;
};
XDropLast.prototype.store = function (input) {
this.acc[this.pos] = input;
this.pos += 1;
if (this.pos === this.acc.length) {
this.pos = 0;
this.full = true;
}
};
return _curry2(function _xdropLast(n, xf) {
return new XDropLast(n, xf);
});
}();
var _xdropRepeatsWith = function () {
function XDropRepeatsWith(pred, xf) {
this.xf = xf;
this.pred = pred;
this.lastValue = undefined;
this.seenFirstValue = false;
}
XDropRepeatsWith.prototype['@@transducer/init'] = function () {
return this.xf['@@transducer/init']();
};
XDropRepeatsWith.prototype['@@transducer/result'] = function (result) {
return this.xf['@@transducer/result'](result);
};
XDropRepeatsWith.prototype['@@transducer/step'] = function (result, input) {
var sameAsLast = false;
if (!this.seenFirstValue) {
this.seenFirstValue = true;
} else if (this.pred(this.lastValue, input)) {
sameAsLast = true;
}
this.lastValue = input;
return sameAsLast ? result : this.xf['@@transducer/step'](result, input);
};
return _curry2(function _xdropRepeatsWith(pred, xf) {
return new XDropRepeatsWith(pred, xf);
});
}();
var _xdropWhile = function () {
function XDropWhile(f, xf) {
this.xf = xf;
this.f = f;
}
XDropWhile.prototype['@@transducer/init'] = _xfBase.init;
XDropWhile.prototype['@@transducer/result'] = _xfBase.result;
XDropWhile.prototype['@@transducer/step'] = function (result, input) {
if (this.f) {
if (this.f(input)) {
return result;
}
this.f = null;
}
return this.xf['@@transducer/step'](result, input);
};
return _curry2(function _xdropWhile(f, xf) {
return new XDropWhile(f, xf);
});
}();
var _xfilter = function () {
function XFilter(f, xf) {
this.xf = xf;
this.f = f;
}
XFilter.prototype['@@transducer/init'] = _xfBase.init;
XFilter.prototype['@@transducer/result'] = _xfBase.result;
XFilter.prototype['@@transducer/step'] = function (result, input) {
return this.f(input) ? this.xf['@@transducer/step'](result, input) : result;
};
return _curry2(function _xfilter(f, xf) {
return new XFilter(f, xf);
});
}();
var _xfind = function () {
function XFind(f, xf) {
this.xf = xf;
this.f = f;
this.found = false;
}
XFind.prototype['@@transducer/init'] = _xfBase.init;
XFind.prototype['@@transducer/result'] = function (result) {
if (!this.found) {
result = this.xf['@@transducer/step'](result, void 0);
}
return this.xf['@@transducer/result'](result);
};
XFind.prototype['@@transducer/step'] = function (result, input) {
if (this.f(input)) {
this.found = true;
result = _reduced(this.xf['@@transducer/step'](result, input));
}
return result;
};
return _curry2(function _xfind(f, xf) {
return new XFind(f, xf);
});
}();
var _xfindIndex = function () {
function XFindIndex(f, xf) {
this.xf = xf;
this.f = f;
this.idx = -1;
this.found = false;
}
XFindIndex.prototype['@@transducer/init'] = _xfBase.init;
XFindIndex.prototype['@@transducer/result'] = function (result) {
if (!this.found) {
result = this.xf['@@transducer/step'](result, -1);
}
return this.xf['@@transducer/result'](result);
};
XFindIndex.prototype['@@transducer/step'] = function (result, input) {
this.idx += 1;
if (this.f(input)) {
this.found = true;
result = _reduced(this.xf['@@transducer/step'](result, this.idx));
}
return result;
};
return _curry2(function _xfindIndex(f, xf) {
return new XFindIndex(f, xf);
});
}();
var _xfindLast = function () {
function XFindLast(f, xf) {
this.xf = xf;
this.f = f;
}
XFindLast.prototype['@@transducer/init'] = _xfBase.init;
XFindLast.prototype['@@transducer/result'] = function (result) {
return this.xf['@@transducer/result'](this.xf['@@transducer/step'](result, this.last));
};
XFindLast.prototype['@@transducer/step'] = function (result, input) {
if (this.f(input)) {
this.last = input;
}
return result;
};
return _curry2(function _xfindLast(f, xf) {
return new XFindLast(f, xf);
});
}();
var _xfindLastIndex = function () {
function XFindLastIndex(f, xf) {
this.xf = xf;
this.f = f;
this.idx = -1;
this.lastIdx = -1;
}
XFindLastIndex.prototype['@@transducer/init'] = _xfBase.init;
XFindLastIndex.prototype['@@transducer/result'] = function (result) {
return this.xf['@@transducer/result'](this.xf['@@transducer/step'](result, this.lastIdx));
};
XFindLastIndex.prototype['@@transducer/step'] = function (result, input) {
this.idx += 1;
if (this.f(input)) {
this.lastIdx = this.idx;
}
return result;
};
return _curry2(function _xfindLastIndex(f, xf) {
return new XFindLastIndex(f, xf);
});
}();
var _xmap = function () {
function XMap(f, xf) {
this.xf = xf;
this.f = f;
}
XMap.prototype['@@transducer/init'] = _xfBase.init;
XMap.prototype['@@transducer/result'] = _xfBase.result;
XMap.prototype['@@transducer/step'] = function (result, input) {
return this.xf['@@transducer/step'](result, this.f(input));
};
return _curry2(function _xmap(f, xf) {
return new XMap(f, xf);
});
}();
var _xreduceBy = function () {
function XReduceBy(valueFn, valueAcc, keyFn, xf) {
this.valueFn = valueFn;
this.valueAcc = valueAcc;
this.keyFn = keyFn;
this.xf = xf;
this.inputs = {};
}
XReduceBy.prototype['@@transducer/init'] = _xfBase.init;
XReduceBy.prototype['@@transducer/result'] = function (result) {
var key;
for (key in this.inputs) {
if (_has(key, this.inputs)) {
result = this.xf['@@transducer/step'](result, this.inputs[key]);
if (result['@@transducer/reduced']) {
result = result['@@transducer/value'];
break;
}
}
}
this.inputs = null;
return this.xf['@@transducer/result'](result);
};
XReduceBy.prototype['@@transducer/step'] = function (result, input) {
var key = this.keyFn(input);
this.inputs[key] = this.inputs[key] || [
key,
this.valueAcc
];
this.inputs[key][1] = this.valueFn(this.inputs[key][1], input);
return result;
};
return _curryN(4, [], function _xreduceBy(valueFn, valueAcc, keyFn, xf) {
return new XReduceBy(valueFn, valueAcc, keyFn, xf);
});
}();
var _xtake = function () {
function XTake(n, xf) {
this.xf = xf;
this.n = n;
this.i = 0;
}
XTake.prototype['@@transducer/init'] = _xfBase.init;
XTake.prototype['@@transducer/result'] = _xfBase.result;
XTake.prototype['@@transducer/step'] = function (result, input) {
this.i += 1;
var ret = this.n === 0 ? result : this.xf['@@transducer/step'](result, input);
return this.i >= this.n ? _reduced(ret) : ret;
};
return _curry2(function _xtake(n, xf) {
return new XTake(n, xf);
});
}();
var _xtakeWhile = function () {
function XTakeWhile(f, xf) {
this.xf = xf;
this.f = f;
}
XTakeWhile.prototype['@@transducer/init'] = _xfBase.init;
XTakeWhile.prototype['@@transducer/result'] = _xfBase.result;
XTakeWhile.prototype['@@transducer/step'] = function (result, input) {
return this.f(input) ? this.xf['@@transducer/step'](result, input) : _reduced(result);
};
return _curry2(function _xtakeWhile(f, xf) {
return new XTakeWhile(f, xf);
});
}();
/**
* Adds two values.
*
* @func
* @memberOf R
* @since v0.1.0
* @category Math
* @sig Number -> Number -> Number
* @param {Number} a
* @param {Number} b
* @return {Number}
* @see R.subtract
* @example
*
* R.add(2, 3); //=> 5
* R.add(7)(10); //=> 17
*/
var add = _curry2(function add(a, b) {
return Number(a) + Number(b);
});
/**
* Applies a function to the value at the given index of an array, returning a
* new copy of the array with the element at the given index replaced with the
* result of the function application.
*
* @func
* @memberOf R
* @since v0.14.0
* @category List
* @sig (a -> a) -> Number -> [a] -> [a]
* @param {Function} fn The function to apply.
* @param {Number} idx The index.
* @param {Array|Arguments} list An array-like object whose value
* at the supplied index will be replaced.
* @return {Array} A copy of the supplied array-like object with
* the element at index `idx` replaced with the value
* returned by applying `fn` to the existing element.
* @see R.update
* @example
*
* R.adjust(R.add(10), 1, [0, 1, 2]); //=> [0, 11, 2]
* R.adjust(R.add(10))(1)([0, 1, 2]); //=> [0, 11, 2]
*/
var adjust = _curry3(function adjust(fn, idx, list) {
if (idx >= list.length || idx < -list.length) {
return list;
}
var start = idx < 0 ? list.length : 0;
var _idx = start + idx;
var _list = _concat(list);
_list[_idx] = fn(list[_idx]);
return _list;
});
/**
* Returns `true` if all elements of the list match the predicate, `false` if
* there are any that don't.
*
* Dispatches to the `all` method of the second argument, if present.
*
* Acts as a transducer if a transformer is given in list position.
*
* @func
* @memberOf R
* @since v0.1.0
* @category List
* @sig (a -> Boolean) -> [a] -> Boolean
* @param {Function} fn The predicate function.
* @param {Array} list The array to consider.
* @return {Boolean} `true` if the predicate is satisfied by every element, `false`
* otherwise.
* @see R.any, R.none, R.transduce
* @example
*
* var lessThan2 = R.flip(R.lt)(2);
* var lessThan3 = R.flip(R.lt)(3);
* R.all(lessThan2)([1, 2]); //=> false
* R.all(lessThan3)([1, 2]); //=> true
*/
var all = _curry2(_dispatchable('all', _xall, function all(fn, list) {
var idx = 0;
while (idx < list.length) {
if (!fn(list[idx])) {
return false;
}
idx += 1;
}
return true;
}));
/**
* Returns a function that always returns the given value. Note that for
* non-primitives the value returned is a reference to the original value.
*
* This function is known as `const`, `constant`, or `K` (for K combinator) in
* other languages and libraries.
*
* @func
* @memberOf R
* @since v0.1.0
* @category Function
* @sig a -> (* -> a)
* @param {*} val The value to wrap in a function
* @return {Function} A Function :: * -> val.
* @example
*
* var t = R.always('Tee');
* t(); //=> 'Tee'
*/
var always = _curry1(function always(val) {
return function () {
return val;
};
});
/**
* Returns `true` if both arguments are `true`; `false` otherwise.
*
* @func
* @memberOf R
* @since v0.1.0
* @category Logic
* @sig * -> * -> *
* @param {Boolean} a A boolean value
* @param {Boolean} b A boolean value
* @return {Boolean} `true` if both arguments are `true`, `false` otherwise
* @see R.both
* @example
*
* R.and(true, true); //=> true
* R.and(true, false); //=> false
* R.and(false, true); //=> false
* R.and(false, false); //=> false
*/
var and = _curry2(function and(a, b) {
return a && b;
});
/**
* Returns `true` if at least one of elements of the list match the predicate,
* `false` otherwise.
*
* Dispatches to the `any` method of the second argument, if present.
*
* Acts as a transducer if a transformer is given in list position.
*
* @func
* @memberOf R
* @since v0.1.0
* @category List
* @sig (a -> Boolean) -> [a] -> Boolean
* @param {Function} fn The predicate function.
* @param {Array} list The array to consider.
* @return {Boolean} `true` if the predicate is satisfied by at least one element, `false`
* otherwise.
* @see R.all, R.none, R.transduce
* @example
*
* var lessThan0 = R.flip(R.lt)(0);
* var lessThan2 = R.flip(R.lt)(2);
* R.any(lessThan0)([1, 2]); //=> false
* R.any(lessThan2)([1, 2]); //=> true
*/
var any = _curry2(_dispatchable('any', _xany, function any(fn, list) {
var idx = 0;
while (idx < list.length) {
if (fn(list[idx])) {
return true;
}
idx += 1;
}
return false;
}));
/**
* Returns a new list, composed of n-tuples of consecutive elements If `n` is
* greater than the length of the list, an empty list is returned.
*
* Dispatches to the `aperture` method of the second argument, if present.
*
* Acts as a transducer if a transformer is given in list position.
*
* @func
* @memberOf R
* @since v0.12.0
* @category List
* @sig Number -> [a] -> [[a]]
* @param {Number} n The size of the tuples to create
* @param {Array} list The list to split into `n`-tuples
* @return {Array} The new list.
* @see R.transduce
* @example
*
* R.aperture(2, [1, 2, 3, 4, 5]); //=> [[1, 2], [2, 3], [3, 4], [4, 5]]
* R.aperture(3, [1, 2, 3, 4, 5]); //=> [[1, 2, 3], [2, 3, 4], [3, 4, 5]]
* R.aperture(7, [1, 2, 3, 4, 5]); //=> []
*/
var aperture = _curry2(_dispatchable('aperture', _xaperture, _aperture));
/**
* Returns a new list containing the contents of the given list, followed by
* the given element.
*
* @func
* @memberOf R
* @since v0.1.0
* @category List
* @sig a -> [a] -> [a]
* @param {*} el The element to add to the end of the new list.
* @param {Array} list The list whose contents will be added to the beginning of the output
* list.
* @return {Array} A new list containing the contents of the old list followed by `el`.
* @see R.prepend
* @example
*
* R.append('tests', ['write', 'more']); //=> ['write', 'more', 'tests']
* R.append('tests', []); //=> ['tests']
* R.append(['tests'], ['write', 'more']); //=> ['write', 'more', ['tests']]
*/
var append = _curry2(function append(el, list) {
return _concat(list, [el]);
});
/**
* Applies function `fn` to the argument list `args`. This is useful for
* creating a fixed-arity function from a variadic function. `fn` should be a
* bound function if context is significant.
*
* @func
* @memberOf R
* @since v0.7.0
* @category Function
* @sig (*... -> a) -> [*] -> a
* @param {Function} fn
* @param {Array} args
* @return {*}
* @see R.call, R.unapply
* @example
*
* var nums = [1, 2, 3, -99, 42, 6, 7];
* R.apply(Math.max, nums); //=> 42
*/
var apply = _curry2(function apply(fn, args) {
return fn.apply(this, args);
});
/**
* Makes a shallow clone of an object, setting or overriding the specified
* property with the given value. Note that this copies and flattens prototype
* properties onto the new object as well. All non-primitive properties are
* copied by reference.
*
* @func
* @memberOf R
* @since v0.8.0
* @category Object
* @sig String -> a -> {k: v} -> {k: v}
* @param {String} prop the property name to set
* @param {*} val the new value
* @param {Object} obj the object to clone
* @return {Object} a new object similar to the original except for the specified property.
* @see R.dissoc
* @example
*
* R.assoc('c', 3, {a: 1, b: 2}); //=> {a: 1, b: 2, c: 3}
*/
var assoc = _curry3(function assoc(prop, val, obj) {
var result = {};
for (var p in obj) {
result[p] = obj[p];
}
result[prop] = val;
return result;
});
/**
* Makes a shallow clone of an object, setting or overriding the nodes required
* to create the given path, and placing the specific value at the tail end of
* that path. Note that this copies and flattens prototype properties onto the
* new object as well. All non-primitive properties are copied by reference.
*
* @func
* @memberOf R
* @since v0.8.0
* @category Object
* @sig [String] -> a -> {k: v} -> {k: v}
* @param {Array} path the path to set
* @param {*} val the new value
* @param {Object} obj the object to clone
* @return {Object} a new object similar to the original except along the specified path.
* @see R.dissocPath
* @example
*
* R.assocPath(['a', 'b', 'c'], 42, {a: {b: {c: 0}}}); //=> {a: {b: {c: 42}}}
*/
var assocPath = _curry3(function assocPath(path, val, obj) {
switch (path.length) {
case 0:
return val;
case 1:
return assoc(path[0], val, obj);
default:
return assoc(path[0], assocPath(_slice(path, 1), val, Object(obj[path[0]])), obj);
}
});
/**
* Creates a function that is bound to a context.
* Note: `R.bind` does not provide the additional argument-binding capabilities of
* [Function.prototype.bind](https://developer.mozilla.org/en-US/docs/Web/JavaScript/Reference/Global_Objects/Function/bind).
*
* @func
* @memberOf R
* @since v0.6.0
* @category Function
* @category Object
* @sig (* -> *) -> {*} -> (* -> *)
* @param {Function} fn The function to bind to context
* @param {Object} thisObj The context to bind `fn` to
* @return {Function} A function that will execute in the context of `thisObj`.
* @see R.partial
* @example
*
* var log = R.bind(console.log, console);
* R.pipe(R.assoc('a', 2), R.tap(log), R.assoc('a', 3))({a: 1}); //=> {a: 3}
* // logs {a: 2}
*/
var bind = _curry2(function bind(fn, thisObj) {
return _arity(fn.length, function () {
return fn.apply(thisObj, arguments);
});
});
/**
* Restricts a number to be within a range.
*
* Also works for other ordered types such as Strings and Dates.
*
* @func
* @memberOf R
* @since v0.20.0
* @category Relation
* @sig Ord a => a -> a -> a -> a
* @param {Number} minimum number
* @param {Number} maximum number
* @param {Number} value to be clamped
* @return {Number} Returns the clamped value
* @example
*
* R.clamp(1, 10, -1) // => 1
* R.clamp(1, 10, 11) // => 10
* R.clamp(1, 10, 4) // => 4
*/
var clamp = _curry3(function clamp(min, max, value) {
if (min > max) {
throw new Error('min must not be greater than max in clamp(min, max, value)');
}
return value < min ? min : value > max ? max : value;
});
/**
* Makes a comparator function out of a function that reports whether the first
* element is less than the second.
*
* @func
* @memberOf R
* @since v0.1.0
* @category Function
* @sig (a, b -> Boolean) -> (a, b -> Number)
* @param {Function} pred A predicate function of arity two.
* @return {Function} A Function :: a -> b -> Int that returns `-1` if a < b, `1` if b < a, otherwise `0`.
* @example
*
* var cmp = R.comparator((a, b) => a.age < b.age);
* var people = [
* // ...
* ];
* R.sort(cmp, people);
*/
var comparator = _curry1(function comparator(pred) {
return function (a, b) {
return pred(a, b) ? -1 : pred(b, a) ? 1 : 0;
};
});
/**
* Returns a curried equivalent of the provided function, with the specified
* arity. The curried function has two unusual capabilities. First, its
* arguments needn't be provided one at a time. If `g` is `R.curryN(3, f)`, the
* following are equivalent:
*
* - `g(1)(2)(3)`
* - `g(1)(2, 3)`
* - `g(1, 2)(3)`
* - `g(1, 2, 3)`
*
* Secondly, the special placeholder value `R.__` may be used to specify
* "gaps", allowing partial application of any combination of arguments,
* regardless of their positions. If `g` is as above and `_` is `R.__`, the
* following are equivalent:
*
* - `g(1, 2, 3)`
* - `g(_, 2, 3)(1)`
* - `g(_, _, 3)(1)(2)`
* - `g(_, _, 3)(1, 2)`
* - `g(_, 2)(1)(3)`
* - `g(_, 2)(1, 3)`
* - `g(_, 2)(_, 3)(1)`
*
* @func
* @memberOf R
* @since v0.5.0
* @category Function
* @sig Number -> (* -> a) -> (* -> a)
* @param {Number} length The arity for the returned function.
* @param {Function} fn The function to curry.
* @return {Function} A new, curried function.
* @see R.curry
* @example
*
* var sumArgs = (...args) => R.sum(args);
*
* var curriedAddFourNumbers = R.curryN(4, sumArgs);
* var f = curriedAddFourNumbers(1, 2);
* var g = f(3);
* g(4); //=> 10
*/
var curryN = _curry2(function curryN(length, fn) {
if (length === 1) {
return _curry1(fn);
}
return _arity(length, _curryN(length, [], fn));
});
/**
* Decrements its argument.
*
* @func
* @memberOf R
* @since v0.9.0
* @category Math
* @sig Number -> Number
* @param {Number} n
* @return {Number}
* @see R.inc
* @example
*
* R.dec(42); //=> 41
*/
var dec = add(-1);
/**
* Returns the second argument if it is not `null`, `undefined` or `NaN`
* otherwise the first argument is returned.
*
* @func
* @memberOf R
* @since v0.10.0
* @category Logic
* @sig a -> b -> a | b
* @param {a} val The default value.
* @param {b} val The value to return if it is not null or undefined
* @return {*} The the second value or the default value
* @example
*
* var defaultTo42 = R.defaultTo(42);
*
* defaultTo42(null); //=> 42
* defaultTo42(undefined); //=> 42
* defaultTo42('Ramda'); //=> 'Ramda'
* defaultTo42(parseInt('string')); //=> 42
*/
var defaultTo = _curry2(function defaultTo(d, v) {
return v == null || v !== v ? d : v;
});
/**
* Finds the set (i.e. no duplicates) of all elements in the first list not
* contained in the second list. Duplication is determined according to the
* value returned by applying the supplied predicate to two list elements.
*
* @func
* @memberOf R
* @since v0.1.0
* @category Relation
* @sig (a -> a -> Boolean) -> [*] -> [*] -> [*]
* @param {Function} pred A predicate used to test whether two items are equal.
* @param {Array} list1 The first list.
* @param {Array} list2 The second list.
* @return {Array} The elements in `list1` that are not in `list2`.
* @see R.difference, R.symmetricDifference, R.symmetricDifferenceWith
* @example
*
* var cmp = (x, y) => x.a === y.a;
* var l1 = [{a: 1}, {a: 2}, {a: 3}];
* var l2 = [{a: 3}, {a: 4}];
* R.differenceWith(cmp, l1, l2); //=> [{a: 1}, {a: 2}]
*/
var differenceWith = _curry3(function differenceWith(pred, first, second) {
var out = [];
var idx = 0;
var firstLen = first.length;
while (idx < firstLen) {
if (!_containsWith(pred, first[idx], second) && !_containsWith(pred, first[idx], out)) {
out.push(first[idx]);
}
idx += 1;
}
return out;
});
/**
* Returns a new object that does not contain a `prop` property.
*
* @func
* @memberOf R
* @since v0.10.0
* @category Object
* @sig String -> {k: v} -> {k: v}
* @param {String} prop the name of the property to dissociate
* @param {Object} obj the object to clone
* @return {Object} a new object similar to the original but without the specified property
* @see R.assoc
* @example
*
* R.dissoc('b', {a: 1, b: 2, c: 3}); //=> {a: 1, c: 3}
*/
var dissoc = _curry2(function dissoc(prop, obj) {
var result = {};
for (var p in obj) {
if (p !== prop) {
result[p] = obj[p];
}
}
return result;
});
/**
* Makes a shallow clone of an object, omitting the property at the given path.
* Note that this copies and flattens prototype properties onto the new object
* as well. All non-primitive properties are copied by reference.
*
* @func
* @memberOf R
* @since v0.11.0
* @category Object
* @sig [String] -> {k: v} -> {k: v}
* @param {Array} path the path to set
* @param {Object} obj the object to clone
* @return {Object} a new object without the property at path
* @see R.assocPath
* @example
*
* R.dissocPath(['a', 'b', 'c'], {a: {b: {c: 42}}}); //=> {a: {b: {}}}
*/
var dissocPath = _curry2(function dissocPath(path, obj) {
switch (path.length) {
case 0:
return obj;
case 1:
return dissoc(path[0], obj);
default:
var head = path[0];
var tail = _slice(path, 1);
return obj[head] == null ? obj : assoc(head, dissocPath(tail, obj[head]), obj);
}
});
/**
* Divides two numbers. Equivalent to `a / b`.
*
* @func
* @memberOf R
* @since v0.1.0
* @category Math
* @sig Number -> Number -> Number
* @param {Number} a The first value.
* @param {Number} b The second value.
* @return {Number} The result of `a / b`.
* @see R.multiply
* @example
*
* R.divide(71, 100); //=> 0.71
*
* var half = R.divide(R.__, 2);
* half(42); //=> 21
*
* var reciprocal = R.divide(1);
* reciprocal(4); //=> 0.25
*/
var divide = _curry2(function divide(a, b) {
return a / b;
});
/**
* Returns a new list excluding the leading elements of a given list which
* satisfy the supplied predicate function. It passes each value to the supplied
* predicate function, skipping elements while the predicate function returns
* `true`. The predicate function is applied to one argument: *(value)*.
*
* Dispatches to the `dropWhile` method of the second argument, if present.
*
* Acts as a transducer if a transformer is given in list position.
*
* @func
* @memberOf R
* @since v0.9.0
* @category List
* @sig (a -> Boolean) -> [a] -> [a]
* @param {Function} fn The function called per iteration.
* @param {Array} list The collection to iterate over.
* @return {Array} A new array.
* @see R.takeWhile, R.transduce, R.addIndex
* @example
*
* var lteTwo = x => x <= 2;
*
* R.dropWhile(lteTwo, [1, 2, 3, 4, 3, 2, 1]); //=> [3, 4, 3, 2, 1]
*/
var dropWhile = _curry2(_dispatchable('dropWhile', _xdropWhile, function dropWhile(pred, list) {
var idx = 0;
var len = list.length;
while (idx < len && pred(list[idx])) {
idx += 1;
}
return _slice(list, idx);
}));
/**
* Returns the empty value of its argument's type. Ramda defines the empty
* value of Array (`[]`), Object (`{}`), String (`''`), and Arguments. Other
* types are supported if they define `<Type>.empty` and/or
* `<Type>.prototype.empty`.
*
* Dispatches to the `empty` method of the first argument, if present.
*
* @func
* @memberOf R
* @since v0.3.0
* @category Function
* @sig a -> a
* @param {*} x
* @return {*}
* @example
*
* R.empty(Just(42)); //=> Nothing()
* R.empty([1, 2, 3]); //=> []
* R.empty('unicorns'); //=> ''
* R.empty({x: 1, y: 2}); //=> {}
*/
// else
var empty = _curry1(function empty(x) {
return x != null && typeof x.empty === 'function' ? x.empty() : x != null && x.constructor != null && typeof x.constructor.empty === 'function' ? x.constructor.empty() : _isArray(x) ? [] : _isString(x) ? '' : _isObject(x) ? {} : _isArguments(x) ? function () {
return arguments;
}() : // else
void 0;
});
/**
* Creates a new object by recursively evolving a shallow copy of `object`,
* according to the `transformation` functions. All non-primitive properties
* are copied by reference.
*
* A `transformation` function will not be invoked if its corresponding key
* does not exist in the evolved object.
*
* @func
* @memberOf R
* @since v0.9.0
* @category Object
* @sig {k: (v -> v)} -> {k: v} -> {k: v}
* @param {Object} transformations The object specifying transformation functions to apply
* to the object.
* @param {Object} object The object to be transformed.
* @return {Object} The transformed object.
* @example
*
* var tomato = {firstName: ' Tomato ', data: {elapsed: 100, remaining: 1400}, id:123};
* var transformations = {
* firstName: R.trim,
* lastName: R.trim, // Will not get invoked.
* data: {elapsed: R.add(1), remaining: R.add(-1)}
* };
* R.evolve(transformations, tomato); //=> {firstName: 'Tomato', data: {elapsed: 101, remaining: 1399}, id:123}
*/
var evolve = _curry2(function evolve(transformations, object) {
var result = {};
var transformation, key, type;
for (key in object) {
transformation = transformations[key];
type = typeof transformation;
result[key] = type === 'function' ? transformation(object[key]) : type === 'object' ? evolve(transformations[key], object[key]) : object[key];
}
return result;
});
/**
* Returns the first element of the list which matches the predicate, or
* `undefined` if no element matches.
*
* Dispatches to the `find` method of the second argument, if present.
*
* Acts as a transducer if a transformer is given in list position.
*
* @func
* @memberOf R
* @since v0.1.0
* @category List
* @sig (a -> Boolean) -> [a] -> a | undefined
* @param {Function} fn The predicate function used to determine if the element is the
* desired one.
* @param {Array} list The array to consider.
* @return {Object} The element found, or `undefined`.
* @see R.transduce
* @example
*
* var xs = [{a: 1}, {a: 2}, {a: 3}];
* R.find(R.propEq('a', 2))(xs); //=> {a: 2}
* R.find(R.propEq('a', 4))(xs); //=> undefined
*/
var find = _curry2(_dispatchable('find', _xfind, function find(fn, list) {
var idx = 0;
var len = list.length;
while (idx < len) {
if (fn(list[idx])) {
return list[idx];
}
idx += 1;
}
}));
/**
* Returns the index of the first element of the list which matches the
* predicate, or `-1` if no element matches.
*
* Dispatches to the `findIndex` method of the second argument, if present.
*
* Acts as a transducer if a transformer is given in list position.
*
* @func
* @memberOf R
* @since v0.1.1
* @category List
* @sig (a -> Boolean) -> [a] -> Number
* @param {Function} fn The predicate function used to determine if the element is the
* desired one.
* @param {Array} list The array to consider.
* @return {Number} The index of the element found, or `-1`.
* @see R.transduce
* @example
*
* var xs = [{a: 1}, {a: 2}, {a: 3}];
* R.findIndex(R.propEq('a', 2))(xs); //=> 1
* R.findIndex(R.propEq('a', 4))(xs); //=> -1
*/
var findIndex = _curry2(_dispatchable('findIndex', _xfindIndex, function findIndex(fn, list) {
var idx = 0;
var len = list.length;
while (idx < len) {
if (fn(list[idx])) {
return idx;
}
idx += 1;
}
return -1;
}));
/**
* Returns the last element of the list which matches the predicate, or
* `undefined` if no element matches.
*
* Dispatches to the `findLast` method of the second argument, if present.
*
* Acts as a transducer if a transformer is given in list position.
*
* @func
* @memberOf R
* @since v0.1.1
* @category List
* @sig (a -> Boolean) -> [a] -> a | undefined
* @param {Function} fn The predicate function used to determine if the element is the
* desired one.
* @param {Array} list The array to consider.
* @return {Object} The element found, or `undefined`.
* @see R.transduce
* @example
*
* var xs = [{a: 1, b: 0}, {a:1, b: 1}];
* R.findLast(R.propEq('a', 1))(xs); //=> {a: 1, b: 1}
* R.findLast(R.propEq('a', 4))(xs); //=> undefined
*/
var findLast = _curry2(_dispatchable('findLast', _xfindLast, function findLast(fn, list) {
var idx = list.length - 1;
while (idx >= 0) {
if (fn(list[idx])) {
return list[idx];
}
idx -= 1;
}
}));
/**
* Returns the index of the last element of the list which matches the
* predicate, or `-1` if no element matches.
*
* Dispatches to the `findLastIndex` method of the second argument, if present.
*
* Acts as a transducer if a transformer is given in list position.
*
* @func
* @memberOf R
* @since v0.1.1
* @category List
* @sig (a -> Boolean) -> [a] -> Number
* @param {Function} fn The predicate function used to determine if the element is the
* desired one.
* @param {Array} list The array to consider.
* @return {Number} The index of the element found, or `-1`.
* @see R.transduce
* @example
*
* var xs = [{a: 1, b: 0}, {a:1, b: 1}];
* R.findLastIndex(R.propEq('a', 1))(xs); //=> 1
* R.findLastIndex(R.propEq('a', 4))(xs); //=> -1
*/
var findLastIndex = _curry2(_dispatchable('findLastIndex', _xfindLastIndex, function findLastIndex(fn, list) {
var idx = list.length - 1;
while (idx >= 0) {
if (fn(list[idx])) {
return idx;
}
idx -= 1;
}
return -1;
}));
/**
* Iterate over an input `list`, calling a provided function `fn` for each
* element in the list.
*
* `fn` receives one argument: *(value)*.
*
* Note: `R.forEach` does not skip deleted or unassigned indices (sparse
* arrays), unlike the native `Array.prototype.forEach` method. For more
* details on this behavior, see:
* https://developer.mozilla.org/en-US/docs/Web/JavaScript/Reference/Global_Objects/Array/forEach#Description
*
* Also note that, unlike `Array.prototype.forEach`, Ramda's `forEach` returns
* the original array. In some libraries this function is named `each`.
*
* Dispatches to the `forEach` method of the second argument, if present.
*
* @func
* @memberOf R
* @since v0.1.1
* @category List
* @sig (a -> *) -> [a] -> [a]
* @param {Function} fn The function to invoke. Receives one argument, `value`.
* @param {Array} list The list to iterate over.
* @return {Array} The original list.
* @see R.addIndex
* @example
*
* var printXPlusFive = x => console.log(x + 5);
* R.forEach(printXPlusFive, [1, 2, 3]); //=> [1, 2, 3]
* // logs 6
* // logs 7
* // logs 8
*/
var forEach = _curry2(_checkForMethod('forEach', function forEach(fn, list) {
var len = list.length;
var idx = 0;
while (idx < len) {
fn(list[idx]);
idx += 1;
}
return list;
}));
/**
* Creates a new object from a list key-value pairs. If a key appears in
* multiple pairs, the rightmost pair is included in the object.
*
* @func
* @memberOf R
* @since v0.3.0
* @category List
* @sig [[k,v]] -> {k: v}
* @param {Array} pairs An array of two-element arrays that will be the keys and values of the output object.
* @return {Object} The object made by pairing up `keys` and `values`.
* @see R.toPairs, R.pair
* @example
*
* R.fromPairs([['a', 1], ['b', 2], ['c', 3]]); //=> {a: 1, b: 2, c: 3}
*/
var fromPairs = _curry1(function fromPairs(pairs) {
var result = {};
var idx = 0;
while (idx < pairs.length) {
result[pairs[idx][0]] = pairs[idx][1];
idx += 1;
}
return result;
});
/**
* Takes a list and returns a list of lists where each sublist's elements are
* all "equal" according to the provided equality function.
*
* @func
* @memberOf R
* @since v0.21.0
* @category List
* @sig ((a, a) → Boolean) → [a] → [[a]]
* @param {Function} fn Function for determining whether two given (adjacent)
* elements should be in the same group
* @param {Array} list The array to group. Also accepts a string, which will be
* treated as a list of characters.
* @return {List} A list that contains sublists of equal elements,
* whose concatenations are equal to the original list.
* @example
*
* R.groupWith(R.equals, [0, 1, 1, 2, 3, 5, 8, 13, 21])
* //=> [[0], [1, 1], [2], [3], [5], [8], [13], [21]]
*
* R.groupWith((a, b) => a % 2 === b % 2, [0, 1, 1, 2, 3, 5, 8, 13, 21])
* //=> [[0], [1, 1], [2], [3, 5], [8], [13, 21]]
*
* R.groupWith(R.eqBy(isVowel), 'aestiou')
* //=> ['ae', 'st', 'iou']
*/
var groupWith = _curry2(function (fn, list) {
var res = [];
var idx = 0;
var len = list.length;
while (idx < len) {
var nextidx = idx + 1;
while (nextidx < len && fn(list[idx], list[nextidx])) {
nextidx += 1;
}
res.push(list.slice(idx, nextidx));
idx = nextidx;
}
return res;
});
/**
* Returns `true` if the first argument is greater than the second; `false`
* otherwise.
*
* @func
* @memberOf R
* @since v0.1.0
* @category Relation
* @sig Ord a => a -> a -> Boolean
* @param {*} a
* @param {*} b
* @return {Boolean}
* @see R.lt
* @example
*
* R.gt(2, 1); //=> true
* R.gt(2, 2); //=> false
* R.gt(2, 3); //=> false
* R.gt('a', 'z'); //=> false
* R.gt('z', 'a'); //=> true
*/
var gt = _curry2(function gt(a, b) {
return a > b;
});
/**
* Returns `true` if the first argument is greater than or equal to the second;
* `false` otherwise.
*
* @func
* @memberOf R
* @since v0.1.0
* @category Relation
* @sig Ord a => a -> a -> Boolean
* @param {Number} a
* @param {Number} b
* @return {Boolean}
* @see R.lte
* @example
*
* R.gte(2, 1); //=> true
* R.gte(2, 2); //=> true
* R.gte(2, 3); //=> false
* R.gte('a', 'z'); //=> false
* R.gte('z', 'a'); //=> true
*/
var gte = _curry2(function gte(a, b) {
return a >= b;
});
/**
* Returns whether or not an object has an own property with the specified name
*
* @func
* @memberOf R
* @since v0.7.0
* @category Object
* @sig s -> {s: x} -> Boolean
* @param {String} prop The name of the property to check for.
* @param {Object} obj The object to query.
* @return {Boolean} Whether the property exists.
* @example
*
* var hasName = R.has('name');
* hasName({name: 'alice'}); //=> true
* hasName({name: 'bob'}); //=> true
* hasName({}); //=> false
*
* var point = {x: 0, y: 0};
* var pointHas = R.has(R.__, point);
* pointHas('x'); //=> true
* pointHas('y'); //=> true
* pointHas('z'); //=> false
*/
var has = _curry2(_has);
/**
* Returns whether or not an object or its prototype chain has a property with
* the specified name
*
* @func
* @memberOf R
* @since v0.7.0
* @category Object
* @sig s -> {s: x} -> Boolean
* @param {String} prop The name of the property to check for.
* @param {Object} obj The object to query.
* @return {Boolean} Whether the property exists.
* @example
*
* function Rectangle(width, height) {
* this.width = width;
* this.height = height;
* }
* Rectangle.prototype.area = function() {
* return this.width * this.height;
* };
*
* var square = new Rectangle(2, 2);
* R.hasIn('width', square); //=> true
* R.hasIn('area', square); //=> true
*/
var hasIn = _curry2(function hasIn(prop, obj) {
return prop in obj;
});
/**
* Returns true if its arguments are identical, false otherwise. Values are
* identical if they reference the same memory. `NaN` is identical to `NaN`;
* `0` and `-0` are not identical.
*
* @func
* @memberOf R
* @since v0.15.0
* @category Relation
* @sig a -> a -> Boolean
* @param {*} a
* @param {*} b
* @return {Boolean}
* @example
*
* var o = {};
* R.identical(o, o); //=> true
* R.identical(1, 1); //=> true
* R.identical(1, '1'); //=> false
* R.identical([], []); //=> false
* R.identical(0, -0); //=> false
* R.identical(NaN, NaN); //=> true
*/
// SameValue algorithm
// Steps 1-5, 7-10
// Steps 6.b-6.e: +0 != -0
// Step 6.a: NaN == NaN
var identical = _curry2(function identical(a, b) {
// SameValue algorithm
if (a === b) {
// Steps 1-5, 7-10
// Steps 6.b-6.e: +0 != -0
return a !== 0 || 1 / a === 1 / b;
} else {
// Step 6.a: NaN == NaN
return a !== a && b !== b;
}
});
/**
* A function that does nothing but return the parameter supplied to it. Good
* as a default or placeholder function.
*
* @func
* @memberOf R
* @since v0.1.0
* @category Function
* @sig a -> a
* @param {*} x The value to return.
* @return {*} The input value, `x`.
* @example
*
* R.identity(1); //=> 1
*
* var obj = {};
* R.identity(obj) === obj; //=> true
*/
var identity = _curry1(_identity);
/**
* Creates a function that will process either the `onTrue` or the `onFalse`
* function depending upon the result of the `condition` predicate.
*
* @func
* @memberOf R
* @since v0.8.0
* @category Logic
* @sig (*... -> Boolean) -> (*... -> *) -> (*... -> *) -> (*... -> *)
* @param {Function} condition A predicate function
* @param {Function} onTrue A function to invoke when the `condition` evaluates to a truthy value.
* @param {Function} onFalse A function to invoke when the `condition` evaluates to a falsy value.
* @return {Function} A new unary function that will process either the `onTrue` or the `onFalse`
* function depending upon the result of the `condition` predicate.
* @see R.unless, R.when
* @example
*
* var incCount = R.ifElse(
* R.has('count'),
* R.over(R.lensProp('count'), R.inc),
* R.assoc('count', 1)
* );
* incCount({}); //=> { count: 1 }
* incCount({ count: 1 }); //=> { count: 2 }
*/
var ifElse = _curry3(function ifElse(condition, onTrue, onFalse) {
return curryN(Math.max(condition.length, onTrue.length, onFalse.length), function _ifElse() {
return condition.apply(this, arguments) ? onTrue.apply(this, arguments) : onFalse.apply(this, arguments);
});
});
/**
* Increments its argument.
*
* @func
* @memberOf R
* @since v0.9.0
* @category Math
* @sig Number -> Number
* @param {Number} n
* @return {Number}
* @see R.dec
* @example
*
* R.inc(42); //=> 43
*/
var inc = add(1);
/**
* Inserts the supplied element into the list, at index `index`. _Note that
* this is not destructive_: it returns a copy of the list with the changes.
* <small>No lists have been harmed in the application of this function.</small>
*
* @func
* @memberOf R
* @since v0.2.2
* @category List
* @sig Number -> a -> [a] -> [a]
* @param {Number} index The position to insert the element
* @param {*} elt The element to insert into the Array
* @param {Array} list The list to insert into
* @return {Array} A new Array with `elt` inserted at `index`.
* @example
*
* R.insert(2, 'x', [1,2,3,4]); //=> [1,2,'x',3,4]
*/
var insert = _curry3(function insert(idx, elt, list) {
idx = idx < list.length && idx >= 0 ? idx : list.length;
var result = _slice(list);
result.splice(idx, 0, elt);
return result;
});
/**
* Inserts the sub-list into the list, at index `index`. _Note that this is not
* destructive_: it returns a copy of the list with the changes.
* <small>No lists have been harmed in the application of this function.</small>
*
* @func
* @memberOf R
* @since v0.9.0
* @category List
* @sig Number -> [a] -> [a] -> [a]
* @param {Number} index The position to insert the sub-list
* @param {Array} elts The sub-list to insert into the Array
* @param {Array} list The list to insert the sub-list into
* @return {Array} A new Array with `elts` inserted starting at `index`.
* @example
*
* R.insertAll(2, ['x','y','z'], [1,2,3,4]); //=> [1,2,'x','y','z',3,4]
*/
var insertAll = _curry3(function insertAll(idx, elts, list) {
idx = idx < list.length && idx >= 0 ? idx : list.length;
return _concat(_concat(_slice(list, 0, idx), elts), _slice(list, idx));
});
/**
* Creates a new list with the separator interposed between elements.
*
* Dispatches to the `intersperse` method of the second argument, if present.
*
* @func
* @memberOf R
* @since v0.14.0
* @category List
* @sig a -> [a] -> [a]
* @param {*} separator The element to add to the list.
* @param {Array} list The list to be interposed.
* @return {Array} The new list.
* @example
*
* R.intersperse('n', ['ba', 'a', 'a']); //=> ['ba', 'n', 'a', 'n', 'a']
*/
var intersperse = _curry2(_checkForMethod('intersperse', function intersperse(separator, list) {
var out = [];
var idx = 0;
var length = list.length;
while (idx < length) {
if (idx === length - 1) {
out.push(list[idx]);
} else {
out.push(list[idx], separator);
}
idx += 1;
}
return out;
}));
/**
* See if an object (`val`) is an instance of the supplied constructor. This
* function will check up the inheritance chain, if any.
*
* @func
* @memberOf R
* @since v0.3.0
* @category Type
* @sig (* -> {*}) -> a -> Boolean
* @param {Object} ctor A constructor
* @param {*} val The value to test
* @return {Boolean}
* @example
*
* R.is(Object, {}); //=> true
* R.is(Number, 1); //=> true
* R.is(Object, 1); //=> false
* R.is(String, 's'); //=> true
* R.is(String, new String('')); //=> true
* R.is(Object, new String('')); //=> true
* R.is(Object, 's'); //=> false
* R.is(Number, {}); //=> false
*/
var is = _curry2(function is(Ctor, val) {
return val != null && val.constructor === Ctor || val instanceof Ctor;
});
/**
* Tests whether or not an object is similar to an array.
*
* @func
* @memberOf R
* @since v0.5.0
* @category Type
* @category List
* @sig * -> Boolean
* @param {*} x The object to test.
* @return {Boolean} `true` if `x` has a numeric length property and extreme indices defined; `false` otherwise.
* @example
*
* R.isArrayLike([]); //=> true
* R.isArrayLike(true); //=> false
* R.isArrayLike({}); //=> false
* R.isArrayLike({length: 10}); //=> false
* R.isArrayLike({0: 'zero', 9: 'nine', length: 10}); //=> true
*/
var isArrayLike = _curry1(function isArrayLike(x) {
if (_isArray(x)) {
return true;
}
if (!x) {
return false;
}
if (typeof x !== 'object') {
return false;
}
if (_isString(x)) {
return false;
}
if (x.nodeType === 1) {
return !!x.length;
}
if (x.length === 0) {
return true;
}
if (x.length > 0) {
return x.hasOwnProperty(0) && x.hasOwnProperty(x.length - 1);
}
return false;
});
/**
* Checks if the input value is `null` or `undefined`.
*
* @func
* @memberOf R
* @since v0.9.0
* @category Type
* @sig * -> Boolean
* @param {*} x The value to test.
* @return {Boolean} `true` if `x` is `undefined` or `null`, otherwise `false`.
* @example
*
* R.isNil(null); //=> true
* R.isNil(undefined); //=> true
* R.isNil(0); //=> false
* R.isNil([]); //=> false
*/
var isNil = _curry1(function isNil(x) {
return x == null;
});
/**
* Returns a list containing the names of all the enumerable own properties of
* the supplied object.
* Note that the order of the output array is not guaranteed to be consistent
* across different JS platforms.
*
* @func
* @memberOf R
* @since v0.1.0
* @category Object
* @sig {k: v} -> [k]
* @param {Object} obj The object to extract properties from
* @return {Array} An array of the object's own properties.
* @example
*
* R.keys({a: 1, b: 2, c: 3}); //=> ['a', 'b', 'c']
*/
// cover IE < 9 keys issues
// Safari bug
var keys = function () {
// cover IE < 9 keys issues
var hasEnumBug = !{ toString: null }.propertyIsEnumerable('toString');
var nonEnumerableProps = [
'constructor',
'valueOf',
'isPrototypeOf',
'toString',
'propertyIsEnumerable',
'hasOwnProperty',
'toLocaleString'
];
// Safari bug
var hasArgsEnumBug = function () {
'use strict';
return arguments.propertyIsEnumerable('length');
}();
var contains = function contains(list, item) {
var idx = 0;
while (idx < list.length) {
if (list[idx] === item) {
return true;
}
idx += 1;
}
return false;
};
return typeof Object.keys === 'function' && !hasArgsEnumBug ? _curry1(function keys(obj) {
return Object(obj) !== obj ? [] : Object.keys(obj);
}) : _curry1(function keys(obj) {
if (Object(obj) !== obj) {
return [];
}
var prop, nIdx;
var ks = [];
var checkArgsLength = hasArgsEnumBug && _isArguments(obj);
for (prop in obj) {
if (_has(prop, obj) && (!checkArgsLength || prop !== 'length')) {
ks[ks.length] = prop;
}
}
if (hasEnumBug) {
nIdx = nonEnumerableProps.length - 1;
while (nIdx >= 0) {
prop = nonEnumerableProps[nIdx];
if (_has(prop, obj) && !contains(ks, prop)) {
ks[ks.length] = prop;
}
nIdx -= 1;
}
}
return ks;
});
}();
/**
* Returns a list containing the names of all the properties of the supplied
* object, including prototype properties.
* Note that the order of the output array is not guaranteed to be consistent
* across different JS platforms.
*
* @func
* @memberOf R
* @since v0.2.0
* @category Object
* @sig {k: v} -> [k]
* @param {Object} obj The object to extract properties from
* @return {Array} An array of the object's own and prototype properties.
* @example
*
* var F = function() { this.x = 'X'; };
* F.prototype.y = 'Y';
* var f = new F();
* R.keysIn(f); //=> ['x', 'y']
*/
var keysIn = _curry1(function keysIn(obj) {
var prop;
var ks = [];
for (prop in obj) {
ks[ks.length] = prop;
}
return ks;
});
/**
* Returns the number of elements in the array by returning `list.length`.
*
* @func
* @memberOf R
* @since v0.3.0
* @category List
* @sig [a] -> Number
* @param {Array} list The array to inspect.
* @return {Number} The length of the array.
* @example
*
* R.length([]); //=> 0
* R.length([1, 2, 3]); //=> 3
*/
var length = _curry1(function length(list) {
return list != null && _isNumber(list.length) ? list.length : NaN;
});
/**
* Returns `true` if the first argument is less than the second; `false`
* otherwise.
*
* @func
* @memberOf R
* @since v0.1.0
* @category Relation
* @sig Ord a => a -> a -> Boolean
* @param {*} a
* @param {*} b
* @return {Boolean}
* @see R.gt
* @example
*
* R.lt(2, 1); //=> false
* R.lt(2, 2); //=> false
* R.lt(2, 3); //=> true
* R.lt('a', 'z'); //=> true
* R.lt('z', 'a'); //=> false
*/
var lt = _curry2(function lt(a, b) {
return a < b;
});
/**
* Returns `true` if the first argument is less than or equal to the second;
* `false` otherwise.
*
* @func
* @memberOf R
* @since v0.1.0
* @category Relation
* @sig Ord a => a -> a -> Boolean
* @param {Number} a
* @param {Number} b
* @return {Boolean}
* @see R.gte
* @example
*
* R.lte(2, 1); //=> false
* R.lte(2, 2); //=> true
* R.lte(2, 3); //=> true
* R.lte('a', 'z'); //=> true
* R.lte('z', 'a'); //=> false
*/
var lte = _curry2(function lte(a, b) {
return a <= b;
});
/**
* The mapAccum function behaves like a combination of map and reduce; it
* applies a function to each element of a list, passing an accumulating
* parameter from left to right, and returning a final value of this
* accumulator together with the new list.
*
* The iterator function receives two arguments, *acc* and *value*, and should
* return a tuple *[acc, value]*.
*
* @func
* @memberOf R
* @since v0.10.0
* @category List
* @sig (acc -> x -> (acc, y)) -> acc -> [x] -> (acc, [y])
* @param {Function} fn The function to be called on every element of the input `list`.
* @param {*} acc The accumulator value.
* @param {Array} list The list to iterate over.
* @return {*} The final, accumulated value.
* @see R.addIndex
* @example
*
* var digits = ['1', '2', '3', '4'];
* var appender = (a, b) => [a + b, a + b];
*
* R.mapAccum(appender, 0, digits); //=> ['01234', ['01', '012', '0123', '01234']]
*/
var mapAccum = _curry3(function mapAccum(fn, acc, list) {
var idx = 0;
var len = list.length;
var result = [];
var tuple = [acc];
while (idx < len) {
tuple = fn(tuple[0], list[idx]);
result[idx] = tuple[1];
idx += 1;
}
return [
tuple[0],
result
];
});
/**
* The mapAccumRight function behaves like a combination of map and reduce; it
* applies a function to each element of a list, passing an accumulating
* parameter from right to left, and returning a final value of this
* accumulator together with the new list.
*
* Similar to `mapAccum`, except moves through the input list from the right to
* the left.
*
* The iterator function receives two arguments, *acc* and *value*, and should
* return a tuple *[acc, value]*.
*
* @func
* @memberOf R
* @since v0.10.0
* @category List
* @sig (acc -> x -> (acc, y)) -> acc -> [x] -> (acc, [y])
* @param {Function} fn The function to be called on every element of the input `list`.
* @param {*} acc The accumulator value.
* @param {Array} list The list to iterate over.
* @return {*} The final, accumulated value.
* @see R.addIndex
* @example
*
* var digits = ['1', '2', '3', '4'];
* var append = (a, b) => [a + b, a + b];
*
* R.mapAccumRight(append, 0, digits); //=> ['04321', ['04321', '0432', '043', '04']]
*/
var mapAccumRight = _curry3(function mapAccumRight(fn, acc, list) {
var idx = list.length - 1;
var result = [];
var tuple = [acc];
while (idx >= 0) {
tuple = fn(tuple[0], list[idx]);
result[idx] = tuple[1];
idx -= 1;
}
return [
tuple[0],
result
];
});
/**
* Tests a regular expression against a String. Note that this function will
* return an empty array when there are no matches. This differs from
* [`String.prototype.match`](https://developer.mozilla.org/en-US/docs/Web/JavaScript/Reference/Global_Objects/String/match)
* which returns `null` when there are no matches.
*
* @func
* @memberOf R
* @since v0.1.0
* @category String
* @sig RegExp -> String -> [String | Undefined]
* @param {RegExp} rx A regular expression.
* @param {String} str The string to match against
* @return {Array} The list of matches or empty array.
* @see R.test
* @example
*
* R.match(/([a-z]a)/g, 'bananas'); //=> ['ba', 'na', 'na']
* R.match(/a/, 'b'); //=> []
* R.match(/a/, null); //=> TypeError: null does not have a method named "match"
*/
var match = _curry2(function match(rx, str) {
return str.match(rx) || [];
});
/**
* mathMod behaves like the modulo operator should mathematically, unlike the
* `%` operator (and by extension, R.modulo). So while "-17 % 5" is -2,
* mathMod(-17, 5) is 3. mathMod requires Integer arguments, and returns NaN
* when the modulus is zero or negative.
*
* @func
* @memberOf R
* @since v0.3.0
* @category Math
* @sig Number -> Number -> Number
* @param {Number} m The dividend.
* @param {Number} p the modulus.
* @return {Number} The result of `b mod a`.
* @example
*
* R.mathMod(-17, 5); //=> 3
* R.mathMod(17, 5); //=> 2
* R.mathMod(17, -5); //=> NaN
* R.mathMod(17, 0); //=> NaN
* R.mathMod(17.2, 5); //=> NaN
* R.mathMod(17, 5.3); //=> NaN
*
* var clock = R.mathMod(R.__, 12);
* clock(15); //=> 3
* clock(24); //=> 0
*
* var seventeenMod = R.mathMod(17);
* seventeenMod(3); //=> 2
* seventeenMod(4); //=> 1
* seventeenMod(10); //=> 7
*/
var mathMod = _curry2(function mathMod(m, p) {
if (!_isInteger(m)) {
return NaN;
}
if (!_isInteger(p) || p < 1) {
return NaN;
}
return (m % p + p) % p;
});
/**
* Returns the larger of its two arguments.
*
* @func
* @memberOf R
* @since v0.1.0
* @category Relation
* @sig Ord a => a -> a -> a
* @param {*} a
* @param {*} b
* @return {*}
* @see R.maxBy, R.min
* @example
*
* R.max(789, 123); //=> 789
* R.max('a', 'b'); //=> 'b'
*/
var max = _curry2(function max(a, b) {
return b > a ? b : a;
});
/**
* Takes a function and two values, and returns whichever value produces the
* larger result when passed to the provided function.
*
* @func
* @memberOf R
* @since v0.8.0
* @category Relation
* @sig Ord b => (a -> b) -> a -> a -> a
* @param {Function} f
* @param {*} a
* @param {*} b
* @return {*}
* @see R.max, R.minBy
* @example
*
* // square :: Number -> Number
* var square = n => n * n;
*
* R.maxBy(square, -3, 2); //=> -3
*
* R.reduce(R.maxBy(square), 0, [3, -5, 4, 1, -2]); //=> -5
* R.reduce(R.maxBy(square), 0, []); //=> 0
*/
var maxBy = _curry3(function maxBy(f, a, b) {
return f(b) > f(a) ? b : a;
});
/**
* Create a new object with the own properties of the first object merged with
* the own properties of the second object. If a key exists in both objects,
* the value from the second object will be used.
*
* @func
* @memberOf R
* @since v0.1.0
* @category Object
* @sig {k: v} -> {k: v} -> {k: v}
* @param {Object} l
* @param {Object} r
* @return {Object}
* @see R.mergeWith, R.mergeWithKey
* @example
*
* R.merge({ 'name': 'fred', 'age': 10 }, { 'age': 40 });
* //=> { 'name': 'fred', 'age': 40 }
*
* var resetToDefault = R.merge(R.__, {x: 0});
* resetToDefault({x: 5, y: 2}); //=> {x: 0, y: 2}
*/
var merge = _curry2(function merge(l, r) {
return _assign({}, l, r);
});
/**
* Merges a list of objects together into one object.
*
* @func
* @memberOf R
* @since v0.10.0
* @category List
* @sig [{k: v}] -> {k: v}
* @param {Array} list An array of objects
* @return {Object} A merged object.
* @see R.reduce
* @example
*
* R.mergeAll([{foo:1},{bar:2},{baz:3}]); //=> {foo:1,bar:2,baz:3}
* R.mergeAll([{foo:1},{foo:2},{bar:2}]); //=> {foo:2,bar:2}
*/
var mergeAll = _curry1(function mergeAll(list) {
return _assign.apply(null, [{}].concat(list));
});
/**
* Creates a new object with the own properties of the two provided objects. If
* a key exists in both objects, the provided function is applied to the key
* and the values associated with the key in each object, with the result being
* used as the value associated with the key in the returned object. The key
* will be excluded from the returned object if the resulting value is
* `undefined`.
*
* @func
* @memberOf R
* @since v0.19.0
* @category Object
* @sig (String -> a -> a -> a) -> {a} -> {a} -> {a}
* @param {Function} fn
* @param {Object} l
* @param {Object} r
* @return {Object}
* @see R.merge, R.mergeWith
* @example
*
* let concatValues = (k, l, r) => k == 'values' ? R.concat(l, r) : r
* R.mergeWithKey(concatValues,
* { a: true, thing: 'foo', values: [10, 20] },
* { b: true, thing: 'bar', values: [15, 35] });
* //=> { a: true, b: true, thing: 'bar', values: [10, 20, 15, 35] }
*/
var mergeWithKey = _curry3(function mergeWithKey(fn, l, r) {
var result = {};
var k;
for (k in l) {
if (_has(k, l)) {
result[k] = _has(k, r) ? fn(k, l[k], r[k]) : l[k];
}
}
for (k in r) {
if (_has(k, r) && !_has(k, result)) {
result[k] = r[k];
}
}
return result;
});
/**
* Returns the smaller of its two arguments.
*
* @func
* @memberOf R
* @since v0.1.0
* @category Relation
* @sig Ord a => a -> a -> a
* @param {*} a
* @param {*} b
* @return {*}
* @see R.minBy, R.max
* @example
*
* R.min(789, 123); //=> 123
* R.min('a', 'b'); //=> 'a'
*/
var min = _curry2(function min(a, b) {
return b < a ? b : a;
});
/**
* Takes a function and two values, and returns whichever value produces the
* smaller result when passed to the provided function.
*
* @func
* @memberOf R
* @since v0.8.0
* @category Relation
* @sig Ord b => (a -> b) -> a -> a -> a
* @param {Function} f
* @param {*} a
* @param {*} b
* @return {*}
* @see R.min, R.maxBy
* @example
*
* // square :: Number -> Number
* var square = n => n * n;
*
* R.minBy(square, -3, 2); //=> 2
*
* R.reduce(R.minBy(square), Infinity, [3, -5, 4, 1, -2]); //=> 1
* R.reduce(R.minBy(square), Infinity, []); //=> Infinity
*/
var minBy = _curry3(function minBy(f, a, b) {
return f(b) < f(a) ? b : a;
});
/**
* Divides the first parameter by the second and returns the remainder. Note
* that this function preserves the JavaScript-style behavior for modulo. For
* mathematical modulo see `mathMod`.
*
* @func
* @memberOf R
* @since v0.1.1
* @category Math
* @sig Number -> Number -> Number
* @param {Number} a The value to the divide.
* @param {Number} b The pseudo-modulus
* @return {Number} The result of `b % a`.
* @see R.mathMod
* @example
*
* R.modulo(17, 3); //=> 2
* // JS behavior:
* R.modulo(-17, 3); //=> -2
* R.modulo(17, -3); //=> 2
*
* var isOdd = R.modulo(R.__, 2);
* isOdd(42); //=> 0
* isOdd(21); //=> 1
*/
var modulo = _curry2(function modulo(a, b) {
return a % b;
});
/**
* Multiplies two numbers. Equivalent to `a * b` but curried.
*
* @func
* @memberOf R
* @since v0.1.0
* @category Math
* @sig Number -> Number -> Number
* @param {Number} a The first value.
* @param {Number} b The second value.
* @return {Number} The result of `a * b`.
* @see R.divide
* @example
*
* var double = R.multiply(2);
* var triple = R.multiply(3);
* double(3); //=> 6
* triple(4); //=> 12
* R.multiply(2, 5); //=> 10
*/
var multiply = _curry2(function multiply(a, b) {
return a * b;
});
/**
* Wraps a function of any arity (including nullary) in a function that accepts
* exactly `n` parameters. Any extraneous parameters will not be passed to the
* supplied function.
*
* @func
* @memberOf R
* @since v0.1.0
* @category Function
* @sig Number -> (* -> a) -> (* -> a)
* @param {Number} n The desired arity of the new function.
* @param {Function} fn The function to wrap.
* @return {Function} A new function wrapping `fn`. The new function is guaranteed to be of
* arity `n`.
* @example
*
* var takesTwoArgs = (a, b) => [a, b];
*
* takesTwoArgs.length; //=> 2
* takesTwoArgs(1, 2); //=> [1, 2]
*
* var takesOneArg = R.nAry(1, takesTwoArgs);
* takesOneArg.length; //=> 1
* // Only `n` arguments are passed to the wrapped function
* takesOneArg(1, 2); //=> [1, undefined]
*/
var nAry = _curry2(function nAry(n, fn) {
switch (n) {
case 0:
return function () {
return fn.call(this);
};
case 1:
return function (a0) {
return fn.call(this, a0);
};
case 2:
return function (a0, a1) {
return fn.call(this, a0, a1);
};
case 3:
return function (a0, a1, a2) {
return fn.call(this, a0, a1, a2);
};
case 4:
return function (a0, a1, a2, a3) {
return fn.call(this, a0, a1, a2, a3);
};
case 5:
return function (a0, a1, a2, a3, a4) {
return fn.call(this, a0, a1, a2, a3, a4);
};
case 6:
return function (a0, a1, a2, a3, a4, a5) {
return fn.call(this, a0, a1, a2, a3, a4, a5);
};
case 7:
return function (a0, a1, a2, a3, a4, a5, a6) {
return fn.call(this, a0, a1, a2, a3, a4, a5, a6);
};
case 8:
return function (a0, a1, a2, a3, a4, a5, a6, a7) {
return fn.call(this, a0, a1, a2, a3, a4, a5, a6, a7);
};
case 9:
return function (a0, a1, a2, a3, a4, a5, a6, a7, a8) {
return fn.call(this, a0, a1, a2, a3, a4, a5, a6, a7, a8);
};
case 10:
return function (a0, a1, a2, a3, a4, a5, a6, a7, a8, a9) {
return fn.call(this, a0, a1, a2, a3, a4, a5, a6, a7, a8, a9);
};
default:
throw new Error('First argument to nAry must be a non-negative integer no greater than ten');
}
});
/**
* Negates its argument.
*
* @func
* @memberOf R
* @since v0.9.0
* @category Math
* @sig Number -> Number
* @param {Number} n
* @return {Number}
* @example
*
* R.negate(42); //=> -42
*/
var negate = _curry1(function negate(n) {
return -n;
});
/**
* Returns `true` if no elements of the list match the predicate, `false`
* otherwise.
*
* Dispatches to the `any` method of the second argument, if present.
*
* @func
* @memberOf R
* @since v0.12.0
* @category List
* @sig (a -> Boolean) -> [a] -> Boolean
* @param {Function} fn The predicate function.
* @param {Array} list The array to consider.
* @return {Boolean} `true` if the predicate is not satisfied by every element, `false` otherwise.
* @see R.all, R.any
* @example
*
* var isEven = n => n % 2 === 0;
*
* R.none(isEven, [1, 3, 5, 7, 9, 11]); //=> true
* R.none(isEven, [1, 3, 5, 7, 8, 11]); //=> false
*/
var none = _curry2(_complement(_dispatchable('any', _xany, any)));
/**
* A function that returns the `!` of its argument. It will return `true` when
* passed false-y value, and `false` when passed a truth-y one.
*
* @func
* @memberOf R
* @since v0.1.0
* @category Logic
* @sig * -> Boolean
* @param {*} a any value
* @return {Boolean} the logical inverse of passed argument.
* @see R.complement
* @example
*
* R.not(true); //=> false
* R.not(false); //=> true
* R.not(0); //=> true
* R.not(1); //=> false
*/
var not = _curry1(function not(a) {
return !a;
});
/**
* Returns the nth element of the given list or string. If n is negative the
* element at index length + n is returned.
*
* @func
* @memberOf R
* @since v0.1.0
* @category List
* @sig Number -> [a] -> a | Undefined
* @sig Number -> String -> String
* @param {Number} offset
* @param {*} list
* @return {*}
* @example
*
* var list = ['foo', 'bar', 'baz', 'quux'];
* R.nth(1, list); //=> 'bar'
* R.nth(-1, list); //=> 'quux'
* R.nth(-99, list); //=> undefined
*
* R.nth(2, 'abc'); //=> 'c'
* R.nth(3, 'abc'); //=> ''
*/
var nth = _curry2(function nth(offset, list) {
var idx = offset < 0 ? list.length + offset : offset;
return _isString(list) ? list.charAt(idx) : list[idx];
});
/**
* Returns a function which returns its nth argument.
*
* @func
* @memberOf R
* @since v0.9.0
* @category Function
* @sig Number -> *... -> *
* @param {Number} n
* @return {Function}
* @example
*
* R.nthArg(1)('a', 'b', 'c'); //=> 'b'
* R.nthArg(-1)('a', 'b', 'c'); //=> 'c'
*/
var nthArg = _curry1(function nthArg(n) {
var arity = n < 0 ? 1 : n + 1;
return curryN(arity, function () {
return nth(n, arguments);
});
});
/**
* Creates an object containing a single key:value pair.
*
* @func
* @memberOf R
* @since v0.18.0
* @category Object
* @sig String -> a -> {String:a}
* @param {String} key
* @param {*} val
* @return {Object}
* @see R.pair
* @example
*
* var matchPhrases = R.compose(
* R.objOf('must'),
* R.map(R.objOf('match_phrase'))
* );
* matchPhrases(['foo', 'bar', 'baz']); //=> {must: [{match_phrase: 'foo'}, {match_phrase: 'bar'}, {match_phrase: 'baz'}]}
*/
var objOf = _curry2(function objOf(key, val) {
var obj = {};
obj[key] = val;
return obj;
});
/**
* Returns a singleton array containing the value provided.
*
* Note this `of` is different from the ES6 `of`; See
* https://developer.mozilla.org/en-US/docs/Web/JavaScript/Reference/Global_Objects/Array/of
*
* @func
* @memberOf R
* @since v0.3.0
* @category Function
* @sig a -> [a]
* @param {*} x any value
* @return {Array} An array wrapping `x`.
* @example
*
* R.of(null); //=> [null]
* R.of([42]); //=> [[42]]
*/
var of = _curry1(_of);
/**
* Accepts a function `fn` and returns a function that guards invocation of
* `fn` such that `fn` can only ever be called once, no matter how many times
* the returned function is invoked. The first value calculated is returned in
* subsequent invocations.
*
* @func
* @memberOf R
* @since v0.1.0
* @category Function
* @sig (a... -> b) -> (a... -> b)
* @param {Function} fn The function to wrap in a call-only-once wrapper.
* @return {Function} The wrapped function.
* @example
*
* var addOneOnce = R.once(x => x + 1);
* addOneOnce(10); //=> 11
* addOneOnce(addOneOnce(50)); //=> 11
*/
var once = _curry1(function once(fn) {
var called = false;
var result;
return _arity(fn.length, function () {
if (called) {
return result;
}
called = true;
result = fn.apply(this, arguments);
return result;
});
});
/**
* Returns `true` if one or both of its arguments are `true`. Returns `false`
* if both arguments are `false`.
*
* @func
* @memberOf R
* @since v0.1.0
* @category Logic
* @sig * -> * -> *
* @param {Boolean} a A boolean value
* @param {Boolean} b A boolean value
* @return {Boolean} `true` if one or both arguments are `true`, `false` otherwise
* @see R.either
* @example
*
* R.or(true, true); //=> true
* R.or(true, false); //=> true
* R.or(false, true); //=> true
* R.or(false, false); //=> false
*/
var or = _curry2(function or(a, b) {
return a || b;
});
/**
* Returns the result of "setting" the portion of the given data structure
* focused by the given lens to the result of applying the given function to
* the focused value.
*
* @func
* @memberOf R
* @since v0.16.0
* @category Object
* @typedefn Lens s a = Functor f => (a -> f a) -> s -> f s
* @sig Lens s a -> (a -> a) -> s -> s
* @param {Lens} lens
* @param {*} v
* @param {*} x
* @return {*}
* @see R.prop, R.lensIndex, R.lensProp
* @example
*
* var headLens = R.lensIndex(0);
*
* R.over(headLens, R.toUpper, ['foo', 'bar', 'baz']); //=> ['FOO', 'bar', 'baz']
*/
// `Identity` is a functor that holds a single value, where `map` simply
// transforms the held value with the provided function.
// The value returned by the getter function is first transformed with `f`,
// then set as the value of an `Identity`. This is then mapped over with the
// setter function of the lens.
var over = function () {
// `Identity` is a functor that holds a single value, where `map` simply
// transforms the held value with the provided function.
var Identity = function (x) {
return {
value: x,
map: function (f) {
return Identity(f(x));
}
};
};
return _curry3(function over(lens, f, x) {
// The value returned by the getter function is first transformed with `f`,
// then set as the value of an `Identity`. This is then mapped over with the
// setter function of the lens.
return lens(function (y) {
return Identity(f(y));
})(x).value;
});
}();
/**
* Takes two arguments, `fst` and `snd`, and returns `[fst, snd]`.
*
* @func
* @memberOf R
* @since v0.18.0
* @category List
* @sig a -> b -> (a,b)
* @param {*} fst
* @param {*} snd
* @return {Array}
* @see R.objOf, R.of
* @example
*
* R.pair('foo', 'bar'); //=> ['foo', 'bar']
*/
var pair = _curry2(function pair(fst, snd) {
return [
fst,
snd
];
});
/**
* Retrieve the value at a given path.
*
* @func
* @memberOf R
* @since v0.2.0
* @category Object
* @sig [String] -> {k: v} -> v | Undefined
* @param {Array} path The path to use.
* @param {Object} obj The object to retrieve the nested property from.
* @return {*} The data at `path`.
* @see R.prop
* @example
*
* R.path(['a', 'b'], {a: {b: 2}}); //=> 2
* R.path(['a', 'b'], {c: {b: 2}}); //=> undefined
*/
var path = _curry2(function path(paths, obj) {
var val = obj;
var idx = 0;
while (idx < paths.length) {
if (val == null) {
return;
}
val = val[paths[idx]];
idx += 1;
}
return val;
});
/**
* If the given, non-null object has a value at the given path, returns the
* value at that path. Otherwise returns the provided default value.
*
* @func
* @memberOf R
* @since v0.18.0
* @category Object
* @sig a -> [String] -> Object -> a
* @param {*} d The default value.
* @param {Array} p The path to use.
* @param {Object} obj The object to retrieve the nested property from.
* @return {*} The data at `path` of the supplied object or the default value.
* @example
*
* R.pathOr('N/A', ['a', 'b'], {a: {b: 2}}); //=> 2
* R.pathOr('N/A', ['a', 'b'], {c: {b: 2}}); //=> "N/A"
*/
var pathOr = _curry3(function pathOr(d, p, obj) {
return defaultTo(d, path(p, obj));
});
/**
* Returns `true` if the specified object property at given path satisfies the
* given predicate; `false` otherwise.
*
* @func
* @memberOf R
* @since v0.19.0
* @category Logic
* @sig (a -> Boolean) -> [String] -> Object -> Boolean
* @param {Function} pred
* @param {Array} propPath
* @param {*} obj
* @return {Boolean}
* @see R.propSatisfies, R.path
* @example
*
* R.pathSatisfies(y => y > 0, ['x', 'y'], {x: {y: 2}}); //=> true
*/
var pathSatisfies = _curry3(function pathSatisfies(pred, propPath, obj) {
return propPath.length > 0 && pred(path(propPath, obj));
});
/**
* Returns a partial copy of an object containing only the keys specified. If
* the key does not exist, the property is ignored.
*
* @func
* @memberOf R
* @since v0.1.0
* @category Object
* @sig [k] -> {k: v} -> {k: v}
* @param {Array} names an array of String property names to copy onto a new object
* @param {Object} obj The object to copy from
* @return {Object} A new object with only properties from `names` on it.
* @see R.omit, R.props
* @example
*
* R.pick(['a', 'd'], {a: 1, b: 2, c: 3, d: 4}); //=> {a: 1, d: 4}
* R.pick(['a', 'e', 'f'], {a: 1, b: 2, c: 3, d: 4}); //=> {a: 1}
*/
var pick = _curry2(function pick(names, obj) {
var result = {};
var idx = 0;
while (idx < names.length) {
if (names[idx] in obj) {
result[names[idx]] = obj[names[idx]];
}
idx += 1;
}
return result;
});
/**
* Similar to `pick` except that this one includes a `key: undefined` pair for
* properties that don't exist.
*
* @func
* @memberOf R
* @since v0.1.0
* @category Object
* @sig [k] -> {k: v} -> {k: v}
* @param {Array} names an array of String property names to copy onto a new object
* @param {Object} obj The object to copy from
* @return {Object} A new object with only properties from `names` on it.
* @see R.pick
* @example
*
* R.pickAll(['a', 'd'], {a: 1, b: 2, c: 3, d: 4}); //=> {a: 1, d: 4}
* R.pickAll(['a', 'e', 'f'], {a: 1, b: 2, c: 3, d: 4}); //=> {a: 1, e: undefined, f: undefined}
*/
var pickAll = _curry2(function pickAll(names, obj) {
var result = {};
var idx = 0;
var len = names.length;
while (idx < len) {
var name = names[idx];
result[name] = obj[name];
idx += 1;
}
return result;
});
/**
* Returns a partial copy of an object containing only the keys that satisfy
* the supplied predicate.
*
* @func
* @memberOf R
* @since v0.8.0
* @category Object
* @sig (v, k -> Boolean) -> {k: v} -> {k: v}
* @param {Function} pred A predicate to determine whether or not a key
* should be included on the output object.
* @param {Object} obj The object to copy from
* @return {Object} A new object with only properties that satisfy `pred`
* on it.
* @see R.pick, R.filter
* @example
*
* var isUpperCase = (val, key) => key.toUpperCase() === key;
* R.pickBy(isUpperCase, {a: 1, b: 2, A: 3, B: 4}); //=> {A: 3, B: 4}
*/
var pickBy = _curry2(function pickBy(test, obj) {
var result = {};
for (var prop in obj) {
if (test(obj[prop], prop, obj)) {
result[prop] = obj[prop];
}
}
return result;
});
/**
* Returns a new list with the given element at the front, followed by the
* contents of the list.
*
* @func
* @memberOf R
* @since v0.1.0
* @category List
* @sig a -> [a] -> [a]
* @param {*} el The item to add to the head of the output list.
* @param {Array} list The array to add to the tail of the output list.
* @return {Array} A new array.
* @see R.append
* @example
*
* R.prepend('fee', ['fi', 'fo', 'fum']); //=> ['fee', 'fi', 'fo', 'fum']
*/
var prepend = _curry2(function prepend(el, list) {
return _concat([el], list);
});
/**
* Returns a function that when supplied an object returns the indicated
* property of that object, if it exists.
*
* @func
* @memberOf R
* @since v0.1.0
* @category Object
* @sig s -> {s: a} -> a | Undefined
* @param {String} p The property name
* @param {Object} obj The object to query
* @return {*} The value at `obj.p`.
* @see R.path
* @example
*
* R.prop('x', {x: 100}); //=> 100
* R.prop('x', {}); //=> undefined
*/
var prop = _curry2(function prop(p, obj) {
return obj[p];
});
/**
* Returns `true` if the specified object property is of the given type;
* `false` otherwise.
*
* @func
* @memberOf R
* @since v0.16.0
* @category Type
* @sig Type -> String -> Object -> Boolean
* @param {Function} type
* @param {String} name
* @param {*} obj
* @return {Boolean}
* @see R.is, R.propSatisfies
* @example
*
* R.propIs(Number, 'x', {x: 1, y: 2}); //=> true
* R.propIs(Number, 'x', {x: 'foo'}); //=> false
* R.propIs(Number, 'x', {}); //=> false
*/
var propIs = _curry3(function propIs(type, name, obj) {
return is(type, obj[name]);
});
/**
* If the given, non-null object has an own property with the specified name,
* returns the value of that property. Otherwise returns the provided default
* value.
*
* @func
* @memberOf R
* @since v0.6.0
* @category Object
* @sig a -> String -> Object -> a
* @param {*} val The default value.
* @param {String} p The name of the property to return.
* @param {Object} obj The object to query.
* @return {*} The value of given property of the supplied object or the default value.
* @example
*
* var alice = {
* name: 'ALICE',
* age: 101
* };
* var favorite = R.prop('favoriteLibrary');
* var favoriteWithDefault = R.propOr('Ramda', 'favoriteLibrary');
*
* favorite(alice); //=> undefined
* favoriteWithDefault(alice); //=> 'Ramda'
*/
var propOr = _curry3(function propOr(val, p, obj) {
return obj != null && _has(p, obj) ? obj[p] : val;
});
/**
* Returns `true` if the specified object property satisfies the given
* predicate; `false` otherwise.
*
* @func
* @memberOf R
* @since v0.16.0
* @category Logic
* @sig (a -> Boolean) -> String -> {String: a} -> Boolean
* @param {Function} pred
* @param {String} name
* @param {*} obj
* @return {Boolean}
* @see R.propEq, R.propIs
* @example
*
* R.propSatisfies(x => x > 0, 'x', {x: 1, y: 2}); //=> true
*/
var propSatisfies = _curry3(function propSatisfies(pred, name, obj) {
return pred(obj[name]);
});
/**
* Acts as multiple `prop`: array of keys in, array of values out. Preserves
* order.
*
* @func
* @memberOf R
* @since v0.1.0
* @category Object
* @sig [k] -> {k: v} -> [v]
* @param {Array} ps The property names to fetch
* @param {Object} obj The object to query
* @return {Array} The corresponding values or partially applied function.
* @example
*
* R.props(['x', 'y'], {x: 1, y: 2}); //=> [1, 2]
* R.props(['c', 'a', 'b'], {b: 2, a: 1}); //=> [undefined, 1, 2]
*
* var fullName = R.compose(R.join(' '), R.props(['first', 'last']));
* fullName({last: 'Bullet-Tooth', age: 33, first: 'Tony'}); //=> 'Tony Bullet-Tooth'
*/
var props = _curry2(function props(ps, obj) {
var len = ps.length;
var out = [];
var idx = 0;
while (idx < len) {
out[idx] = obj[ps[idx]];
idx += 1;
}
return out;
});
/**
* Returns a list of numbers from `from` (inclusive) to `to` (exclusive).
*
* @func
* @memberOf R
* @since v0.1.0
* @category List
* @sig Number -> Number -> [Number]
* @param {Number} from The first number in the list.
* @param {Number} to One more than the last number in the list.
* @return {Array} The list of numbers in tthe set `[a, b)`.
* @example
*
* R.range(1, 5); //=> [1, 2, 3, 4]
* R.range(50, 53); //=> [50, 51, 52]
*/
var range = _curry2(function range(from, to) {
if (!(_isNumber(from) && _isNumber(to))) {
throw new TypeError('Both arguments to range must be numbers');
}
var result = [];
var n = from;
while (n < to) {
result.push(n);
n += 1;
}
return result;
});
/**
* Returns a single item by iterating through the list, successively calling
* the iterator function and passing it an accumulator value and the current
* value from the array, and then passing the result to the next call.
*
* Similar to `reduce`, except moves through the input list from the right to
* the left.
*
* The iterator function receives two values: *(acc, value)*
*
* Note: `R.reduceRight` does not skip deleted or unassigned indices (sparse
* arrays), unlike the native `Array.prototype.reduce` method. For more details
* on this behavior, see:
* https://developer.mozilla.org/en-US/docs/Web/JavaScript/Reference/Global_Objects/Array/reduceRight#Description
*
* @func
* @memberOf R
* @since v0.1.0
* @category List
* @sig (a,b -> a) -> a -> [b] -> a
* @param {Function} fn The iterator function. Receives two values, the accumulator and the
* current element from the array.
* @param {*} acc The accumulator value.
* @param {Array} list The list to iterate over.
* @return {*} The final, accumulated value.
* @see R.addIndex
* @example
*
* var pairs = [ ['a', 1], ['b', 2], ['c', 3] ];
* var flattenPairs = (acc, pair) => acc.concat(pair);
*
* R.reduceRight(flattenPairs, [], pairs); //=> [ 'c', 3, 'b', 2, 'a', 1 ]
*/
var reduceRight = _curry3(function reduceRight(fn, acc, list) {
var idx = list.length - 1;
while (idx >= 0) {
acc = fn(acc, list[idx]);
idx -= 1;
}
return acc;
});
/**
* Returns a value wrapped to indicate that it is the final value of the reduce
* and transduce functions. The returned value should be considered a black
* box: the internal structure is not guaranteed to be stable.
*
* Note: this optimization is unavailable to functions not explicitly listed
* above. For instance, it is not currently supported by reduceRight.
*
* @func
* @memberOf R
* @since v0.15.0
* @category List
* @sig a -> *
* @param {*} x The final value of the reduce.
* @return {*} The wrapped value.
* @see R.reduce, R.transduce
* @example
*
* R.reduce(
* R.pipe(R.add, R.when(R.gte(R.__, 10), R.reduced)),
* 0,
* [1, 2, 3, 4, 5]) // 10
*/
var reduced = _curry1(_reduced);
/**
* Removes the sub-list of `list` starting at index `start` and containing
* `count` elements. _Note that this is not destructive_: it returns a copy of
* the list with the changes.
* <small>No lists have been harmed in the application of this function.</small>
*
* @func
* @memberOf R
* @since v0.2.2
* @category List
* @sig Number -> Number -> [a] -> [a]
* @param {Number} start The position to start removing elements
* @param {Number} count The number of elements to remove
* @param {Array} list The list to remove from
* @return {Array} A new Array with `count` elements from `start` removed.
* @example
*
* R.remove(2, 3, [1,2,3,4,5,6,7,8]); //=> [1,2,6,7,8]
*/
var remove = _curry3(function remove(start, count, list) {
return _concat(_slice(list, 0, Math.min(start, list.length)), _slice(list, Math.min(list.length, start + count)));
});
/**
* Replace a substring or regex match in a string with a replacement.
*
* @func
* @memberOf R
* @since v0.7.0
* @category String
* @sig RegExp|String -> String -> String -> String
* @param {RegExp|String} pattern A regular expression or a substring to match.
* @param {String} replacement The string to replace the matches with.
* @param {String} str The String to do the search and replacement in.
* @return {String} The result.
* @example
*
* R.replace('foo', 'bar', 'foo foo foo'); //=> 'bar foo foo'
* R.replace(/foo/, 'bar', 'foo foo foo'); //=> 'bar foo foo'
*
* // Use the "g" (global) flag to replace all occurrences:
* R.replace(/foo/g, 'bar', 'foo foo foo'); //=> 'bar bar bar'
*/
var replace = _curry3(function replace(regex, replacement, str) {
return str.replace(regex, replacement);
});
/**
* Returns a new list or string with the elements or characters in reverse
* order.
*
* @func
* @memberOf R
* @since v0.1.0
* @category List
* @sig [a] -> [a]
* @sig String -> String
* @param {Array|String} list
* @return {Array|String}
* @example
*
* R.reverse([1, 2, 3]); //=> [3, 2, 1]
* R.reverse([1, 2]); //=> [2, 1]
* R.reverse([1]); //=> [1]
* R.reverse([]); //=> []
*
* R.reverse('abc'); //=> 'cba'
* R.reverse('ab'); //=> 'ba'
* R.reverse('a'); //=> 'a'
* R.reverse(''); //=> ''
*/
var reverse = _curry1(function reverse(list) {
return _isString(list) ? list.split('').reverse().join('') : _slice(list).reverse();
});
/**
* Scan is similar to reduce, but returns a list of successively reduced values
* from the left
*
* @func
* @memberOf R
* @since v0.10.0
* @category List
* @sig (a,b -> a) -> a -> [b] -> [a]
* @param {Function} fn The iterator function. Receives two values, the accumulator and the
* current element from the array
* @param {*} acc The accumulator value.
* @param {Array} list The list to iterate over.
* @return {Array} A list of all intermediately reduced values.
* @example
*
* var numbers = [1, 2, 3, 4];
* var factorials = R.scan(R.multiply, 1, numbers); //=> [1, 1, 2, 6, 24]
*/
var scan = _curry3(function scan(fn, acc, list) {
var idx = 0;
var len = list.length;
var result = [acc];
while (idx < len) {
acc = fn(acc, list[idx]);
result[idx + 1] = acc;
idx += 1;
}
return result;
});
/**
* Returns the result of "setting" the portion of the given data structure
* focused by the given lens to the given value.
*
* @func
* @memberOf R
* @since v0.16.0
* @category Object
* @typedefn Lens s a = Functor f => (a -> f a) -> s -> f s
* @sig Lens s a -> a -> s -> s
* @param {Lens} lens
* @param {*} v
* @param {*} x
* @return {*}
* @see R.prop, R.lensIndex, R.lensProp
* @example
*
* var xLens = R.lensProp('x');
*
* R.set(xLens, 4, {x: 1, y: 2}); //=> {x: 4, y: 2}
* R.set(xLens, 8, {x: 1, y: 2}); //=> {x: 8, y: 2}
*/
var set = _curry3(function set(lens, v, x) {
return over(lens, always(v), x);
});
/**
* Returns the elements of the given list or string (or object with a `slice`
* method) from `fromIndex` (inclusive) to `toIndex` (exclusive).
*
* Dispatches to the `slice` method of the third argument, if present.
*
* @func
* @memberOf R
* @since v0.1.4
* @category List
* @sig Number -> Number -> [a] -> [a]
* @sig Number -> Number -> String -> String
* @param {Number} fromIndex The start index (inclusive).
* @param {Number} toIndex The end index (exclusive).
* @param {*} list
* @return {*}
* @example
*
* R.slice(1, 3, ['a', 'b', 'c', 'd']); //=> ['b', 'c']
* R.slice(1, Infinity, ['a', 'b', 'c', 'd']); //=> ['b', 'c', 'd']
* R.slice(0, -1, ['a', 'b', 'c', 'd']); //=> ['a', 'b', 'c']
* R.slice(-3, -1, ['a', 'b', 'c', 'd']); //=> ['b', 'c']
* R.slice(0, 3, 'ramda'); //=> 'ram'
*/
var slice = _curry3(_checkForMethod('slice', function slice(fromIndex, toIndex, list) {
return Array.prototype.slice.call(list, fromIndex, toIndex);
}));
/**
* Returns a copy of the list, sorted according to the comparator function,
* which should accept two values at a time and return a negative number if the
* first value is smaller, a positive number if it's larger, and zero if they
* are equal. Please note that this is a **copy** of the list. It does not
* modify the original.
*
* @func
* @memberOf R
* @since v0.1.0
* @category List
* @sig (a,a -> Number) -> [a] -> [a]
* @param {Function} comparator A sorting function :: a -> b -> Int
* @param {Array} list The list to sort
* @return {Array} a new array with its elements sorted by the comparator function.
* @example
*
* var diff = function(a, b) { return a - b; };
* R.sort(diff, [4,2,7,5]); //=> [2, 4, 5, 7]
*/
var sort = _curry2(function sort(comparator, list) {
return _slice(list).sort(comparator);
});
/**
* Sorts the list according to the supplied function.
*
* @func
* @memberOf R
* @since v0.1.0
* @category Relation
* @sig Ord b => (a -> b) -> [a] -> [a]
* @param {Function} fn
* @param {Array} list The list to sort.
* @return {Array} A new list sorted by the keys generated by `fn`.
* @example
*
* var sortByFirstItem = R.sortBy(R.prop(0));
* var sortByNameCaseInsensitive = R.sortBy(R.compose(R.toLower, R.prop('name')));
* var pairs = [[-1, 1], [-2, 2], [-3, 3]];
* sortByFirstItem(pairs); //=> [[-3, 3], [-2, 2], [-1, 1]]
* var alice = {
* name: 'ALICE',
* age: 101
* };
* var bob = {
* name: 'Bob',
* age: -10
* };
* var clara = {
* name: 'clara',
* age: 314.159
* };
* var people = [clara, bob, alice];
* sortByNameCaseInsensitive(people); //=> [alice, bob, clara]
*/
var sortBy = _curry2(function sortBy(fn, list) {
return _slice(list).sort(function (a, b) {
var aa = fn(a);
var bb = fn(b);
return aa < bb ? -1 : aa > bb ? 1 : 0;
});
});
/**
* Splits a given list or string at a given index.
*
* @func
* @memberOf R
* @since v0.19.0
* @category List
* @sig Number -> [a] -> [[a], [a]]
* @sig Number -> String -> [String, String]
* @param {Number} index The index where the array/string is split.
* @param {Array|String} array The array/string to be split.
* @return {Array}
* @example
*
* R.splitAt(1, [1, 2, 3]); //=> [[1], [2, 3]]
* R.splitAt(5, 'hello world'); //=> ['hello', ' world']
* R.splitAt(-1, 'foobar'); //=> ['fooba', 'r']
*/
var splitAt = _curry2(function splitAt(index, array) {
return [
slice(0, index, array),
slice(index, length(array), array)
];
});
/**
* Splits a collection into slices of the specified length.
*
* @func
* @memberOf R
* @since v0.16.0
* @category List
* @sig Number -> [a] -> [[a]]
* @sig Number -> String -> [String]
* @param {Number} n
* @param {Array} list
* @return {Array}
* @example
*
* R.splitEvery(3, [1, 2, 3, 4, 5, 6, 7]); //=> [[1, 2, 3], [4, 5, 6], [7]]
* R.splitEvery(3, 'foobarbaz'); //=> ['foo', 'bar', 'baz']
*/
var splitEvery = _curry2(function splitEvery(n, list) {
if (n <= 0) {
throw new Error('First argument to splitEvery must be a positive integer');
}
var result = [];
var idx = 0;
while (idx < list.length) {
result.push(slice(idx, idx += n, list));
}
return result;
});
/**
* Takes a list and a predicate and returns a pair of lists with the following properties:
*
* - the result of concatenating the two output lists is equivalent to the input list;
* - none of the elements of the first output list satisfies the predicate; and
* - if the second output list is non-empty, its first element satisfies the predicate.
*
* @func
* @memberOf R
* @since v0.19.0
* @category List
* @sig (a -> Boolean) -> [a] -> [[a], [a]]
* @param {Function} pred The predicate that determines where the array is split.
* @param {Array} list The array to be split.
* @return {Array}
* @example
*
* R.splitWhen(R.equals(2), [1, 2, 3, 1, 2, 3]); //=> [[1], [2, 3, 1, 2, 3]]
*/
var splitWhen = _curry2(function splitWhen(pred, list) {
var idx = 0;
var len = list.length;
var prefix = [];
while (idx < len && !pred(list[idx])) {
prefix.push(list[idx]);
idx += 1;
}
return [
prefix,
_slice(list, idx)
];
});
/**
* Subtracts its second argument from its first argument.
*
* @func
* @memberOf R
* @since v0.1.0
* @category Math
* @sig Number -> Number -> Number
* @param {Number} a The first value.
* @param {Number} b The second value.
* @return {Number} The result of `a - b`.
* @see R.add
* @example
*
* R.subtract(10, 8); //=> 2
*
* var minus5 = R.subtract(R.__, 5);
* minus5(17); //=> 12
*
* var complementaryAngle = R.subtract(90);
* complementaryAngle(30); //=> 60
* complementaryAngle(72); //=> 18
*/
var subtract = _curry2(function subtract(a, b) {
return Number(a) - Number(b);
});
/**
* Returns all but the first element of the given list or string (or object
* with a `tail` method).
*
* Dispatches to the `slice` method of the first argument, if present.
*
* @func
* @memberOf R
* @since v0.1.0
* @category List
* @sig [a] -> [a]
* @sig String -> String
* @param {*} list
* @return {*}
* @see R.head, R.init, R.last
* @example
*
* R.tail([1, 2, 3]); //=> [2, 3]
* R.tail([1, 2]); //=> [2]
* R.tail([1]); //=> []
* R.tail([]); //=> []
*
* R.tail('abc'); //=> 'bc'
* R.tail('ab'); //=> 'b'
* R.tail('a'); //=> ''
* R.tail(''); //=> ''
*/
var tail = _checkForMethod('tail', slice(1, Infinity));
/**
* Returns the first `n` elements of the given list, string, or
* transducer/transformer (or object with a `take` method).
*
* Dispatches to the `take` method of the second argument, if present.
*
* @func
* @memberOf R
* @since v0.1.0
* @category List
* @sig Number -> [a] -> [a]
* @sig Number -> String -> String
* @param {Number} n
* @param {*} list
* @return {*}
* @see R.drop
* @example
*
* R.take(1, ['foo', 'bar', 'baz']); //=> ['foo']
* R.take(2, ['foo', 'bar', 'baz']); //=> ['foo', 'bar']
* R.take(3, ['foo', 'bar', 'baz']); //=> ['foo', 'bar', 'baz']
* R.take(4, ['foo', 'bar', 'baz']); //=> ['foo', 'bar', 'baz']
* R.take(3, 'ramda'); //=> 'ram'
*
* var personnel = [
* 'Dave Brubeck',
* 'Paul Desmond',
* 'Eugene Wright',
* 'Joe Morello',
* 'Gerry Mulligan',
* 'Bob Bates',
* 'Joe Dodge',
* 'Ron Crotty'
* ];
*
* var takeFive = R.take(5);
* takeFive(personnel);
* //=> ['Dave Brubeck', 'Paul Desmond', 'Eugene Wright', 'Joe Morello', 'Gerry Mulligan']
*/
var take = _curry2(_dispatchable('take', _xtake, function take(n, xs) {
return slice(0, n < 0 ? Infinity : n, xs);
}));
/**
* Returns a new list containing the last `n` elements of a given list, passing
* each value to the supplied predicate function, and terminating when the
* predicate function returns `false`. Excludes the element that caused the
* predicate function to fail. The predicate function is passed one argument:
* *(value)*.
*
* @func
* @memberOf R
* @since v0.16.0
* @category List
* @sig (a -> Boolean) -> [a] -> [a]
* @param {Function} fn The function called per iteration.
* @param {Array} list The collection to iterate over.
* @return {Array} A new array.
* @see R.dropLastWhile, R.addIndex
* @example
*
* var isNotOne = x => x !== 1;
*
* R.takeLastWhile(isNotOne, [1, 2, 3, 4]); //=> [2, 3, 4]
*/
var takeLastWhile = _curry2(function takeLastWhile(fn, list) {
var idx = list.length - 1;
while (idx >= 0 && fn(list[idx])) {
idx -= 1;
}
return _slice(list, idx + 1, Infinity);
});
/**
* Returns a new list containing the first `n` elements of a given list,
* passing each value to the supplied predicate function, and terminating when
* the predicate function returns `false`. Excludes the element that caused the
* predicate function to fail. The predicate function is passed one argument:
* *(value)*.
*
* Dispatches to the `takeWhile` method of the second argument, if present.
*
* Acts as a transducer if a transformer is given in list position.
*
* @func
* @memberOf R
* @since v0.1.0
* @category List
* @sig (a -> Boolean) -> [a] -> [a]
* @param {Function} fn The function called per iteration.
* @param {Array} list The collection to iterate over.
* @return {Array} A new array.
* @see R.dropWhile, R.transduce, R.addIndex
* @example
*
* var isNotFour = x => x !== 4;
*
* R.takeWhile(isNotFour, [1, 2, 3, 4, 3, 2, 1]); //=> [1, 2, 3]
*/
var takeWhile = _curry2(_dispatchable('takeWhile', _xtakeWhile, function takeWhile(fn, list) {
var idx = 0;
var len = list.length;
while (idx < len && fn(list[idx])) {
idx += 1;
}
return _slice(list, 0, idx);
}));
/**
* Runs the given function with the supplied object, then returns the object.
*
* @func
* @memberOf R
* @since v0.1.0
* @category Function
* @sig (a -> *) -> a -> a
* @param {Function} fn The function to call with `x`. The return value of `fn` will be thrown away.
* @param {*} x
* @return {*} `x`.
* @example
*
* var sayX = x => console.log('x is ' + x);
* R.tap(sayX, 100); //=> 100
* // logs 'x is 100'
*/
var tap = _curry2(function tap(fn, x) {
fn(x);
return x;
});
/**
* Calls an input function `n` times, returning an array containing the results
* of those function calls.
*
* `fn` is passed one argument: The current value of `n`, which begins at `0`
* and is gradually incremented to `n - 1`.
*
* @func
* @memberOf R
* @since v0.2.3
* @category List
* @sig (Number -> a) -> Number -> [a]
* @param {Function} fn The function to invoke. Passed one argument, the current value of `n`.
* @param {Number} n A value between `0` and `n - 1`. Increments after each function call.
* @return {Array} An array containing the return values of all calls to `fn`.
* @example
*
* R.times(R.identity, 5); //=> [0, 1, 2, 3, 4]
*/
var times = _curry2(function times(fn, n) {
var len = Number(n);
var idx = 0;
var list;
if (len < 0 || isNaN(len)) {
throw new RangeError('n must be a non-negative number');
}
list = new Array(len);
while (idx < len) {
list[idx] = fn(idx);
idx += 1;
}
return list;
});
/**
* Converts an object into an array of key, value arrays. Only the object's
* own properties are used.
* Note that the order of the output array is not guaranteed to be consistent
* across different JS platforms.
*
* @func
* @memberOf R
* @since v0.4.0
* @category Object
* @sig {String: *} -> [[String,*]]
* @param {Object} obj The object to extract from
* @return {Array} An array of key, value arrays from the object's own properties.
* @see R.fromPairs
* @example
*
* R.toPairs({a: 1, b: 2, c: 3}); //=> [['a', 1], ['b', 2], ['c', 3]]
*/
var toPairs = _curry1(function toPairs(obj) {
var pairs = [];
for (var prop in obj) {
if (_has(prop, obj)) {
pairs[pairs.length] = [
prop,
obj[prop]
];
}
}
return pairs;
});
/**
* Converts an object into an array of key, value arrays. The object's own
* properties and prototype properties are used. Note that the order of the
* output array is not guaranteed to be consistent across different JS
* platforms.
*
* @func
* @memberOf R
* @since v0.4.0
* @category Object
* @sig {String: *} -> [[String,*]]
* @param {Object} obj The object to extract from
* @return {Array} An array of key, value arrays from the object's own
* and prototype properties.
* @example
*
* var F = function() { this.x = 'X'; };
* F.prototype.y = 'Y';
* var f = new F();
* R.toPairsIn(f); //=> [['x','X'], ['y','Y']]
*/
var toPairsIn = _curry1(function toPairsIn(obj) {
var pairs = [];
for (var prop in obj) {
pairs[pairs.length] = [
prop,
obj[prop]
];
}
return pairs;
});
/**
* Transposes the rows and columns of a 2D list.
* When passed a list of `n` lists of length `x`,
* returns a list of `x` lists of length `n`.
*
*
* @func
* @memberOf R
* @since v0.19.0
* @category List
* @sig [[a]] -> [[a]]
* @param {Array} list A 2D list
* @return {Array} A 2D list
* @example
*
* R.transpose([[1, 'a'], [2, 'b'], [3, 'c']]) //=> [[1, 2, 3], ['a', 'b', 'c']]
* R.transpose([[1, 2, 3], ['a', 'b', 'c']]) //=> [[1, 'a'], [2, 'b'], [3, 'c']]
*
* If some of the rows are shorter than the following rows, their elements are skipped:
*
* R.transpose([[10, 11], [20], [], [30, 31, 32]]) //=> [[10, 20, 30], [11, 31], [32]]
*/
var transpose = _curry1(function transpose(outerlist) {
var i = 0;
var result = [];
while (i < outerlist.length) {
var innerlist = outerlist[i];
var j = 0;
while (j < innerlist.length) {
if (typeof result[j] === 'undefined') {
result[j] = [];
}
result[j].push(innerlist[j]);
j += 1;
}
i += 1;
}
return result;
});
/**
* Removes (strips) whitespace from both ends of the string.
*
* @func
* @memberOf R
* @since v0.6.0
* @category String
* @sig String -> String
* @param {String} str The string to trim.
* @return {String} Trimmed version of `str`.
* @example
*
* R.trim(' xyz '); //=> 'xyz'
* R.map(R.trim, R.split(',', 'x, y, z')); //=> ['x', 'y', 'z']
*/
var trim = function () {
var ws = '\t\n\x0B\f\r \xA0\u1680\u180E\u2000\u2001\u2002\u2003' + '\u2004\u2005\u2006\u2007\u2008\u2009\u200A\u202F\u205F\u3000\u2028' + '\u2029\uFEFF';
var zeroWidth = '\u200B';
var hasProtoTrim = typeof String.prototype.trim === 'function';
if (!hasProtoTrim || (ws.trim() || !zeroWidth.trim())) {
return _curry1(function trim(str) {
var beginRx = new RegExp('^[' + ws + '][' + ws + ']*');
var endRx = new RegExp('[' + ws + '][' + ws + ']*$');
return str.replace(beginRx, '').replace(endRx, '');
});
} else {
return _curry1(function trim(str) {
return str.trim();
});
}
}();
/**
* `tryCatch` takes two functions, a `tryer` and a `catcher`. The returned
* function evaluates the `tryer`; if it does not throw, it simply returns the
* result. If the `tryer` *does* throw, the returned function evaluates the
* `catcher` function and returns its result. Note that for effective
* composition with this function, both the `tryer` and `catcher` functions
* must return the same type of results.
*
* @func
* @memberOf R
* @since v0.20.0
* @category Function
* @sig (...x -> a) -> ((e, ...x) -> a) -> (...x -> a)
* @param {Function} tryer The function that may throw.
* @param {Function} catcher The function that will be evaluated if `tryer` throws.
* @return {Function} A new function that will catch exceptions and send then to the catcher.
* @example
*
* R.tryCatch(R.prop('x'), R.F)({x: true}); //=> true
* R.tryCatch(R.prop('x'), R.F)(null); //=> false
*/
var tryCatch = _curry2(function _tryCatch(tryer, catcher) {
return _arity(tryer.length, function () {
try {
return tryer.apply(this, arguments);
} catch (e) {
return catcher.apply(this, _concat([e], arguments));
}
});
});
/**
* Gives a single-word string description of the (native) type of a value,
* returning such answers as 'Object', 'Number', 'Array', or 'Null'. Does not
* attempt to distinguish user Object types any further, reporting them all as
* 'Object'.
*
* @func
* @memberOf R
* @since v0.8.0
* @category Type
* @sig (* -> {*}) -> String
* @param {*} val The value to test
* @return {String}
* @example
*
* R.type({}); //=> "Object"
* R.type(1); //=> "Number"
* R.type(false); //=> "Boolean"
* R.type('s'); //=> "String"
* R.type(null); //=> "Null"
* R.type([]); //=> "Array"
* R.type(/[A-z]/); //=> "RegExp"
*/
var type = _curry1(function type(val) {
return val === null ? 'Null' : val === undefined ? 'Undefined' : Object.prototype.toString.call(val).slice(8, -1);
});
/**
* Takes a function `fn`, which takes a single array argument, and returns a
* function which:
*
* - takes any number of positional arguments;
* - passes these arguments to `fn` as an array; and
* - returns the result.
*
* In other words, R.unapply derives a variadic function from a function which
* takes an array. R.unapply is the inverse of R.apply.
*
* @func
* @memberOf R
* @since v0.8.0
* @category Function
* @sig ([*...] -> a) -> (*... -> a)
* @param {Function} fn
* @return {Function}
* @see R.apply
* @example
*
* R.unapply(JSON.stringify)(1, 2, 3); //=> '[1,2,3]'
*/
var unapply = _curry1(function unapply(fn) {
return function () {
return fn(_slice(arguments));
};
});
/**
* Wraps a function of any arity (including nullary) in a function that accepts
* exactly 1 parameter. Any extraneous parameters will not be passed to the
* supplied function.
*
* @func
* @memberOf R
* @since v0.2.0
* @category Function
* @sig (* -> b) -> (a -> b)
* @param {Function} fn The function to wrap.
* @return {Function} A new function wrapping `fn`. The new function is guaranteed to be of
* arity 1.
* @example
*
* var takesTwoArgs = function(a, b) {
* return [a, b];
* };
* takesTwoArgs.length; //=> 2
* takesTwoArgs(1, 2); //=> [1, 2]
*
* var takesOneArg = R.unary(takesTwoArgs);
* takesOneArg.length; //=> 1
* // Only 1 argument is passed to the wrapped function
* takesOneArg(1, 2); //=> [1, undefined]
*/
var unary = _curry1(function unary(fn) {
return nAry(1, fn);
});
/**
* Returns a function of arity `n` from a (manually) curried function.
*
* @func
* @memberOf R
* @since v0.14.0
* @category Function
* @sig Number -> (a -> b) -> (a -> c)
* @param {Number} length The arity for the returned function.
* @param {Function} fn The function to uncurry.
* @return {Function} A new function.
* @see R.curry
* @example
*
* var addFour = a => b => c => d => a + b + c + d;
*
* var uncurriedAddFour = R.uncurryN(4, addFour);
* uncurriedAddFour(1, 2, 3, 4); //=> 10
*/
var uncurryN = _curry2(function uncurryN(depth, fn) {
return curryN(depth, function () {
var currentDepth = 1;
var value = fn;
var idx = 0;
var endIdx;
while (currentDepth <= depth && typeof value === 'function') {
endIdx = currentDepth === depth ? arguments.length : idx + value.length;
value = value.apply(this, _slice(arguments, idx, endIdx));
currentDepth += 1;
idx = endIdx;
}
return value;
});
});
/**
* Builds a list from a seed value. Accepts an iterator function, which returns
* either false to stop iteration or an array of length 2 containing the value
* to add to the resulting list and the seed to be used in the next call to the
* iterator function.
*
* The iterator function receives one argument: *(seed)*.
*
* @func
* @memberOf R
* @since v0.10.0
* @category List
* @sig (a -> [b]) -> * -> [b]
* @param {Function} fn The iterator function. receives one argument, `seed`, and returns
* either false to quit iteration or an array of length two to proceed. The element
* at index 0 of this array will be added to the resulting array, and the element
* at index 1 will be passed to the next call to `fn`.
* @param {*} seed The seed value.
* @return {Array} The final list.
* @example
*
* var f = n => n > 50 ? false : [-n, n + 10];
* R.unfold(f, 10); //=> [-10, -20, -30, -40, -50]
*/
var unfold = _curry2(function unfold(fn, seed) {
var pair = fn(seed);
var result = [];
while (pair && pair.length) {
result[result.length] = pair[0];
pair = fn(pair[1]);
}
return result;
});
/**
* Returns a new list containing only one copy of each element in the original
* list, based upon the value returned by applying the supplied predicate to
* two list elements. Prefers the first item if two items compare equal based
* on the predicate.
*
* @func
* @memberOf R
* @since v0.2.0
* @category List
* @sig (a, a -> Boolean) -> [a] -> [a]
* @param {Function} pred A predicate used to test whether two items are equal.
* @param {Array} list The array to consider.
* @return {Array} The list of unique items.
* @example
*
* var strEq = R.eqBy(String);
* R.uniqWith(strEq)([1, '1', 2, 1]); //=> [1, 2]
* R.uniqWith(strEq)([{}, {}]); //=> [{}]
* R.uniqWith(strEq)([1, '1', 1]); //=> [1]
* R.uniqWith(strEq)(['1', 1, 1]); //=> ['1']
*/
var uniqWith = _curry2(function uniqWith(pred, list) {
var idx = 0;
var len = list.length;
var result = [];
var item;
while (idx < len) {
item = list[idx];
if (!_containsWith(pred, item, result)) {
result[result.length] = item;
}
idx += 1;
}
return result;
});
/**
* Tests the final argument by passing it to the given predicate function. If
* the predicate is not satisfied, the function will return the result of
* calling the `whenFalseFn` function with the same argument. If the predicate
* is satisfied, the argument is returned as is.
*
* @func
* @memberOf R
* @since v0.18.0
* @category Logic
* @sig (a -> Boolean) -> (a -> a) -> a -> a
* @param {Function} pred A predicate function
* @param {Function} whenFalseFn A function to invoke when the `pred` evaluates
* to a falsy value.
* @param {*} x An object to test with the `pred` function and
* pass to `whenFalseFn` if necessary.
* @return {*} Either `x` or the result of applying `x` to `whenFalseFn`.
* @see R.ifElse, R.when
* @example
*
* // coerceArray :: (a|[a]) -> [a]
* var coerceArray = R.unless(R.isArrayLike, R.of);
* coerceArray([1, 2, 3]); //=> [1, 2, 3]
* coerceArray(1); //=> [1]
*/
var unless = _curry3(function unless(pred, whenFalseFn, x) {
return pred(x) ? x : whenFalseFn(x);
});
/**
* Takes a predicate, a transformation function, and an initial value,
* and returns a value of the same type as the initial value.
* It does so by applying the transformation until the predicate is satisfied,
* at which point it returns the satisfactory value.
*
* @func
* @memberOf R
* @since v0.20.0
* @category Logic
* @sig (a -> Boolean) -> (a -> a) -> a -> a
* @param {Function} pred A predicate function
* @param {Function} fn The iterator function
* @param {*} init Initial value
* @return {*} Final value that satisfies predicate
* @example
*
* R.until(R.gt(R.__, 100), R.multiply(2))(1) // => 128
*/
var until = _curry3(function until(pred, fn, init) {
var val = init;
while (!pred(val)) {
val = fn(val);
}
return val;
});
/**
* Returns a new copy of the array with the element at the provided index
* replaced with the given value.
*
* @func
* @memberOf R
* @since v0.14.0
* @category List
* @sig Number -> a -> [a] -> [a]
* @param {Number} idx The index to update.
* @param {*} x The value to exist at the given index of the returned array.
* @param {Array|Arguments} list The source array-like object to be updated.
* @return {Array} A copy of `list` with the value at index `idx` replaced with `x`.
* @see R.adjust
* @example
*
* R.update(1, 11, [0, 1, 2]); //=> [0, 11, 2]
* R.update(1)(11)([0, 1, 2]); //=> [0, 11, 2]
*/
var update = _curry3(function update(idx, x, list) {
return adjust(always(x), idx, list);
});
/**
* Accepts a function `fn` and a list of transformer functions and returns a
* new curried function. When the new function is invoked, it calls the
* function `fn` with parameters consisting of the result of calling each
* supplied handler on successive arguments to the new function.
*
* If more arguments are passed to the returned function than transformer
* functions, those arguments are passed directly to `fn` as additional
* parameters. If you expect additional arguments that don't need to be
* transformed, although you can ignore them, it's best to pass an identity
* function so that the new function reports the correct arity.
*
* @func
* @memberOf R
* @since v0.1.0
* @category Function
* @sig (x1 -> x2 -> ... -> z) -> [(a -> x1), (b -> x2), ...] -> (a -> b -> ... -> z)
* @param {Function} fn The function to wrap.
* @param {Array} transformers A list of transformer functions
* @return {Function} The wrapped function.
* @example
*
* R.useWith(Math.pow, [R.identity, R.identity])(3, 4); //=> 81
* R.useWith(Math.pow, [R.identity, R.identity])(3)(4); //=> 81
* R.useWith(Math.pow, [R.dec, R.inc])(3, 4); //=> 32
* R.useWith(Math.pow, [R.dec, R.inc])(3)(4); //=> 32
*/
var useWith = _curry2(function useWith(fn, transformers) {
return curryN(transformers.length, function () {
var args = [];
var idx = 0;
while (idx < transformers.length) {
args.push(transformers[idx].call(this, arguments[idx]));
idx += 1;
}
return fn.apply(this, args.concat(_slice(arguments, transformers.length)));
});
});
/**
* Returns a list of all the enumerable own properties of the supplied object.
* Note that the order of the output array is not guaranteed across different
* JS platforms.
*
* @func
* @memberOf R
* @since v0.1.0
* @category Object
* @sig {k: v} -> [v]
* @param {Object} obj The object to extract values from
* @return {Array} An array of the values of the object's own properties.
* @example
*
* R.values({a: 1, b: 2, c: 3}); //=> [1, 2, 3]
*/
var values = _curry1(function values(obj) {
var props = keys(obj);
var len = props.length;
var vals = [];
var idx = 0;
while (idx < len) {
vals[idx] = obj[props[idx]];
idx += 1;
}
return vals;
});
/**
* Returns a list of all the properties, including prototype properties, of the
* supplied object.
* Note that the order of the output array is not guaranteed to be consistent
* across different JS platforms.
*
* @func
* @memberOf R
* @since v0.2.0
* @category Object
* @sig {k: v} -> [v]
* @param {Object} obj The object to extract values from
* @return {Array} An array of the values of the object's own and prototype properties.
* @example
*
* var F = function() { this.x = 'X'; };
* F.prototype.y = 'Y';
* var f = new F();
* R.valuesIn(f); //=> ['X', 'Y']
*/
var valuesIn = _curry1(function valuesIn(obj) {
var prop;
var vs = [];
for (prop in obj) {
vs[vs.length] = obj[prop];
}
return vs;
});
/**
* Returns a "view" of the given data structure, determined by the given lens.
* The lens's focus determines which portion of the data structure is visible.
*
* @func
* @memberOf R
* @since v0.16.0
* @category Object
* @typedefn Lens s a = Functor f => (a -> f a) -> s -> f s
* @sig Lens s a -> s -> a
* @param {Lens} lens
* @param {*} x
* @return {*}
* @see R.prop, R.lensIndex, R.lensProp
* @example
*
* var xLens = R.lensProp('x');
*
* R.view(xLens, {x: 1, y: 2}); //=> 1
* R.view(xLens, {x: 4, y: 2}); //=> 4
*/
// `Const` is a functor that effectively ignores the function given to `map`.
// Using `Const` effectively ignores the setter function of the `lens`,
// leaving the value returned by the getter function unmodified.
var view = function () {
// `Const` is a functor that effectively ignores the function given to `map`.
var Const = function (x) {
return {
value: x,
map: function () {
return this;
}
};
};
return _curry2(function view(lens, x) {
// Using `Const` effectively ignores the setter function of the `lens`,
// leaving the value returned by the getter function unmodified.
return lens(Const)(x).value;
});
}();
/**
* Tests the final argument by passing it to the given predicate function. If
* the predicate is satisfied, the function will return the result of calling
* the `whenTrueFn` function with the same argument. If the predicate is not
* satisfied, the argument is returned as is.
*
* @func
* @memberOf R
* @since v0.18.0
* @category Logic
* @sig (a -> Boolean) -> (a -> a) -> a -> a
* @param {Function} pred A predicate function
* @param {Function} whenTrueFn A function to invoke when the `condition`
* evaluates to a truthy value.
* @param {*} x An object to test with the `pred` function and
* pass to `whenTrueFn` if necessary.
* @return {*} Either `x` or the result of applying `x` to `whenTrueFn`.
* @see R.ifElse, R.unless
* @example
*
* // truncate :: String -> String
* var truncate = R.when(
* R.propSatisfies(R.gt(R.__, 10), 'length'),
* R.pipe(R.take(10), R.append('…'), R.join(''))
* );
* truncate('12345'); //=> '12345'
* truncate('0123456789ABC'); //=> '0123456789…'
*/
var when = _curry3(function when(pred, whenTrueFn, x) {
return pred(x) ? whenTrueFn(x) : x;
});
/**
* Takes a spec object and a test object; returns true if the test satisfies
* the spec. Each of the spec's own properties must be a predicate function.
* Each predicate is applied to the value of the corresponding property of the
* test object. `where` returns true if all the predicates return true, false
* otherwise.
*
* `where` is well suited to declaratively expressing constraints for other
* functions such as `filter` and `find`.
*
* @func
* @memberOf R
* @since v0.1.1
* @category Object
* @sig {String: (* -> Boolean)} -> {String: *} -> Boolean
* @param {Object} spec
* @param {Object} testObj
* @return {Boolean}
* @example
*
* // pred :: Object -> Boolean
* var pred = where({
* a: equals('foo'),
* b: complement(equals('bar')),
* x: gt(__, 10),
* y: lt(__, 20)
* });
*
* pred({a: 'foo', b: 'xxx', x: 11, y: 19}); //=> true
* pred({a: 'xxx', b: 'xxx', x: 11, y: 19}); //=> false
* pred({a: 'foo', b: 'bar', x: 11, y: 19}); //=> false
* pred({a: 'foo', b: 'xxx', x: 10, y: 19}); //=> false
* pred({a: 'foo', b: 'xxx', x: 11, y: 20}); //=> false
*/
var where = _curry2(function where(spec, testObj) {
for (var prop in spec) {
if (_has(prop, spec) && !spec[prop](testObj[prop])) {
return false;
}
}
return true;
});
/**
* Wrap a function inside another to allow you to make adjustments to the
* parameters, or do other processing either before the internal function is
* called or with its results.
*
* @func
* @memberOf R
* @since v0.1.0
* @category Function
* @sig (a... -> b) -> ((a... -> b) -> a... -> c) -> (a... -> c)
* @param {Function} fn The function to wrap.
* @param {Function} wrapper The wrapper function.
* @return {Function} The wrapped function.
* @deprecated since v0.22.0
* @example
*
* var greet = name => 'Hello ' + name;
*
* var shoutedGreet = R.wrap(greet, (gr, name) => gr(name).toUpperCase());
*
* shoutedGreet("Kathy"); //=> "HELLO KATHY"
*
* var shortenedGreet = R.wrap(greet, function(gr, name) {
* return gr(name.substring(0, 3));
* });
* shortenedGreet("Robert"); //=> "Hello Rob"
*/
var wrap = _curry2(function wrap(fn, wrapper) {
return curryN(fn.length, function () {
return wrapper.apply(this, _concat([fn], arguments));
});
});
/**
* Creates a new list out of the two supplied by creating each possible pair
* from the lists.
*
* @func
* @memberOf R
* @since v0.1.0
* @category List
* @sig [a] -> [b] -> [[a,b]]
* @param {Array} as The first list.
* @param {Array} bs The second list.
* @return {Array} The list made by combining each possible pair from
* `as` and `bs` into pairs (`[a, b]`).
* @example
*
* R.xprod([1, 2], ['a', 'b']); //=> [[1, 'a'], [1, 'b'], [2, 'a'], [2, 'b']]
*/
// = xprodWith(prepend); (takes about 3 times as long...)
var xprod = _curry2(function xprod(a, b) {
// = xprodWith(prepend); (takes about 3 times as long...)
var idx = 0;
var ilen = a.length;
var j;
var jlen = b.length;
var result = [];
while (idx < ilen) {
j = 0;
while (j < jlen) {
result[result.length] = [
a[idx],
b[j]
];
j += 1;
}
idx += 1;
}
return result;
});
/**
* Creates a new list out of the two supplied by pairing up equally-positioned
* items from both lists. The returned list is truncated to the length of the
* shorter of the two input lists.
* Note: `zip` is equivalent to `zipWith(function(a, b) { return [a, b] })`.
*
* @func
* @memberOf R
* @since v0.1.0
* @category List
* @sig [a] -> [b] -> [[a,b]]
* @param {Array} list1 The first array to consider.
* @param {Array} list2 The second array to consider.
* @return {Array} The list made by pairing up same-indexed elements of `list1` and `list2`.
* @example
*
* R.zip([1, 2, 3], ['a', 'b', 'c']); //=> [[1, 'a'], [2, 'b'], [3, 'c']]
*/
var zip = _curry2(function zip(a, b) {
var rv = [];
var idx = 0;
var len = Math.min(a.length, b.length);
while (idx < len) {
rv[idx] = [
a[idx],
b[idx]
];
idx += 1;
}
return rv;
});
/**
* Creates a new object out of a list of keys and a list of values.
* Key/value pairing is truncated to the length of the shorter of the two lists.
* Note: `zipObj` is equivalent to `pipe(zipWith(pair), fromPairs)`.
*
* @func
* @memberOf R
* @since v0.3.0
* @category List
* @sig [String] -> [*] -> {String: *}
* @param {Array} keys The array that will be properties on the output object.
* @param {Array} values The list of values on the output object.
* @return {Object} The object made by pairing up same-indexed elements of `keys` and `values`.
* @example
*
* R.zipObj(['a', 'b', 'c'], [1, 2, 3]); //=> {a: 1, b: 2, c: 3}
*/
var zipObj = _curry2(function zipObj(keys, values) {
var idx = 0;
var len = Math.min(keys.length, values.length);
var out = {};
while (idx < len) {
out[keys[idx]] = values[idx];
idx += 1;
}
return out;
});
/**
* Creates a new list out of the two supplied by applying the function to each
* equally-positioned pair in the lists. The returned list is truncated to the
* length of the shorter of the two input lists.
*
* @function
* @memberOf R
* @since v0.1.0
* @category List
* @sig (a,b -> c) -> [a] -> [b] -> [c]
* @param {Function} fn The function used to combine the two elements into one value.
* @param {Array} list1 The first array to consider.
* @param {Array} list2 The second array to consider.
* @return {Array} The list made by combining same-indexed elements of `list1` and `list2`
* using `fn`.
* @example
*
* var f = (x, y) => {
* // ...
* };
* R.zipWith(f, [1, 2, 3], ['a', 'b', 'c']);
* //=> [f(1, 'a'), f(2, 'b'), f(3, 'c')]
*/
var zipWith = _curry3(function zipWith(fn, a, b) {
var rv = [];
var idx = 0;
var len = Math.min(a.length, b.length);
while (idx < len) {
rv[idx] = fn(a[idx], b[idx]);
idx += 1;
}
return rv;
});
/**
* A function that always returns `false`. Any passed in parameters are ignored.
*
* @func
* @memberOf R
* @since v0.9.0
* @category Function
* @sig * -> Boolean
* @param {*}
* @return {Boolean}
* @see R.always, R.T
* @example
*
* R.F(); //=> false
*/
var F = always(false);
/**
* A function that always returns `true`. Any passed in parameters are ignored.
*
* @func
* @memberOf R
* @since v0.9.0
* @category Function
* @sig * -> Boolean
* @param {*}
* @return {Boolean}
* @see R.always, R.F
* @example
*
* R.T(); //=> true
*/
var T = always(true);
/**
* Copies an object.
*
* @private
* @param {*} value The value to be copied
* @param {Array} refFrom Array containing the source references
* @param {Array} refTo Array containing the copied source references
* @param {Boolean} deep Whether or not to perform deep cloning.
* @return {*} The copied value.
*/
var _clone = function _clone(value, refFrom, refTo, deep) {
var copy = function copy(copiedValue) {
var len = refFrom.length;
var idx = 0;
while (idx < len) {
if (value === refFrom[idx]) {
return refTo[idx];
}
idx += 1;
}
refFrom[idx + 1] = value;
refTo[idx + 1] = copiedValue;
for (var key in value) {
copiedValue[key] = deep ? _clone(value[key], refFrom, refTo, true) : value[key];
}
return copiedValue;
};
switch (type(value)) {
case 'Object':
return copy({});
case 'Array':
return copy([]);
case 'Date':
return new Date(value.valueOf());
case 'RegExp':
return _cloneRegExp(value);
default:
return value;
}
};
var _createPartialApplicator = function _createPartialApplicator(concat) {
return _curry2(function (fn, args) {
return _arity(Math.max(0, fn.length - args.length), function () {
return fn.apply(this, concat(args, arguments));
});
});
};
var _dropLast = function dropLast(n, xs) {
return take(n < xs.length ? xs.length - n : 0, xs);
};
// Values of other types are only equal if identical.
var _equals = function _equals(a, b, stackA, stackB) {
if (identical(a, b)) {
return true;
}
if (type(a) !== type(b)) {
return false;
}
if (a == null || b == null) {
return false;
}
if (typeof a.equals === 'function' || typeof b.equals === 'function') {
return typeof a.equals === 'function' && a.equals(b) && typeof b.equals === 'function' && b.equals(a);
}
switch (type(a)) {
case 'Arguments':
case 'Array':
case 'Object':
if (typeof a.constructor === 'function' && _functionName(a.constructor) === 'Promise') {
return a === b;
}
break;
case 'Boolean':
case 'Number':
case 'String':
if (!(typeof a === typeof b && identical(a.valueOf(), b.valueOf()))) {
return false;
}
break;
case 'Date':
if (!identical(a.valueOf(), b.valueOf())) {
return false;
}
break;
case 'Error':
return a.name === b.name && a.message === b.message;
case 'RegExp':
if (!(a.source === b.source && a.global === b.global && a.ignoreCase === b.ignoreCase && a.multiline === b.multiline && a.sticky === b.sticky && a.unicode === b.unicode)) {
return false;
}
break;
case 'Map':
case 'Set':
if (!_equals(_arrayFromIterator(a.entries()), _arrayFromIterator(b.entries()), stackA, stackB)) {
return false;
}
break;
case 'Int8Array':
case 'Uint8Array':
case 'Uint8ClampedArray':
case 'Int16Array':
case 'Uint16Array':
case 'Int32Array':
case 'Uint32Array':
case 'Float32Array':
case 'Float64Array':
break;
case 'ArrayBuffer':
break;
default:
// Values of other types are only equal if identical.
return false;
}
var keysA = keys(a);
if (keysA.length !== keys(b).length) {
return false;
}
var idx = stackA.length - 1;
while (idx >= 0) {
if (stackA[idx] === a) {
return stackB[idx] === b;
}
idx -= 1;
}
stackA.push(a);
stackB.push(b);
idx = keysA.length - 1;
while (idx >= 0) {
var key = keysA[idx];
if (!(_has(key, b) && _equals(b[key], a[key], stackA, stackB))) {
return false;
}
idx -= 1;
}
stackA.pop();
stackB.pop();
return true;
};
/**
* `_makeFlat` is a helper function that returns a one-level or fully recursive
* function based on the flag passed in.
*
* @private
*/
var _makeFlat = function _makeFlat(recursive) {
return function flatt(list) {
var value, jlen, j;
var result = [];
var idx = 0;
var ilen = list.length;
while (idx < ilen) {
if (isArrayLike(list[idx])) {
value = recursive ? flatt(list[idx]) : list[idx];
j = 0;
jlen = value.length;
while (j < jlen) {
result[result.length] = value[j];
j += 1;
}
} else {
result[result.length] = list[idx];
}
idx += 1;
}
return result;
};
};
var _reduce = function () {
function _arrayReduce(xf, acc, list) {
var idx = 0;
var len = list.length;
while (idx < len) {
acc = xf['@@transducer/step'](acc, list[idx]);
if (acc && acc['@@transducer/reduced']) {
acc = acc['@@transducer/value'];
break;
}
idx += 1;
}
return xf['@@transducer/result'](acc);
}
function _iterableReduce(xf, acc, iter) {
var step = iter.next();
while (!step.done) {
acc = xf['@@transducer/step'](acc, step.value);
if (acc && acc['@@transducer/reduced']) {
acc = acc['@@transducer/value'];
break;
}
step = iter.next();
}
return xf['@@transducer/result'](acc);
}
function _methodReduce(xf, acc, obj) {
return xf['@@transducer/result'](obj.reduce(bind(xf['@@transducer/step'], xf), acc));
}
var symIterator = typeof Symbol !== 'undefined' ? Symbol.iterator : '@@iterator';
return function _reduce(fn, acc, list) {
if (typeof fn === 'function') {
fn = _xwrap(fn);
}
if (isArrayLike(list)) {
return _arrayReduce(fn, acc, list);
}
if (typeof list.reduce === 'function') {
return _methodReduce(fn, acc, list);
}
if (list[symIterator] != null) {
return _iterableReduce(fn, acc, list[symIterator]());
}
if (typeof list.next === 'function') {
return _iterableReduce(fn, acc, list);
}
throw new TypeError('reduce: list must be array or iterable');
};
}();
var _stepCat = function () {
var _stepCatArray = {
'@@transducer/init': Array,
'@@transducer/step': function (xs, x) {
xs.push(x);
return xs;
},
'@@transducer/result': _identity
};
var _stepCatString = {
'@@transducer/init': String,
'@@transducer/step': function (a, b) {
return a + b;
},
'@@transducer/result': _identity
};
var _stepCatObject = {
'@@transducer/init': Object,
'@@transducer/step': function (result, input) {
return _assign(result, isArrayLike(input) ? objOf(input[0], input[1]) : input);
},
'@@transducer/result': _identity
};
return function _stepCat(obj) {
if (_isTransformer(obj)) {
return obj;
}
if (isArrayLike(obj)) {
return _stepCatArray;
}
if (typeof obj === 'string') {
return _stepCatString;
}
if (typeof obj === 'object') {
return _stepCatObject;
}
throw new Error('Cannot create transformer for ' + obj);
};
}();
var _xdropLastWhile = function () {
function XDropLastWhile(fn, xf) {
this.f = fn;
this.retained = [];
this.xf = xf;
}
XDropLastWhile.prototype['@@transducer/init'] = _xfBase.init;
XDropLastWhile.prototype['@@transducer/result'] = function (result) {
this.retained = null;
return this.xf['@@transducer/result'](result);
};
XDropLastWhile.prototype['@@transducer/step'] = function (result, input) {
return this.f(input) ? this.retain(result, input) : this.flush(result, input);
};
XDropLastWhile.prototype.flush = function (result, input) {
result = _reduce(this.xf['@@transducer/step'], result, this.retained);
this.retained = [];
return this.xf['@@transducer/step'](result, input);
};
XDropLastWhile.prototype.retain = function (result, input) {
this.retained.push(input);
return result;
};
return _curry2(function _xdropLastWhile(fn, xf) {
return new XDropLastWhile(fn, xf);
});
}();
/**
* Creates a new list iteration function from an existing one by adding two new
* parameters to its callback function: the current index, and the entire list.
*
* This would turn, for instance, Ramda's simple `map` function into one that
* more closely resembles `Array.prototype.map`. Note that this will only work
* for functions in which the iteration callback function is the first
* parameter, and where the list is the last parameter. (This latter might be
* unimportant if the list parameter is not used.)
*
* @func
* @memberOf R
* @since v0.15.0
* @category Function
* @category List
* @sig ((a ... -> b) ... -> [a] -> *) -> (a ..., Int, [a] -> b) ... -> [a] -> *)
* @param {Function} fn A list iteration function that does not pass index or list to its callback
* @return {Function} An altered list iteration function that passes (item, index, list) to its callback
* @example
*
* var mapIndexed = R.addIndex(R.map);
* mapIndexed((val, idx) => idx + '-' + val, ['f', 'o', 'o', 'b', 'a', 'r']);
* //=> ['0-f', '1-o', '2-o', '3-b', '4-a', '5-r']
*/
var addIndex = _curry1(function addIndex(fn) {
return curryN(fn.length, function () {
var idx = 0;
var origFn = arguments[0];
var list = arguments[arguments.length - 1];
var args = _slice(arguments);
args[0] = function () {
var result = origFn.apply(this, _concat(arguments, [
idx,
list
]));
idx += 1;
return result;
};
return fn.apply(this, args);
});
});
/**
* Wraps a function of any arity (including nullary) in a function that accepts
* exactly 2 parameters. Any extraneous parameters will not be passed to the
* supplied function.
*
* @func
* @memberOf R
* @since v0.2.0
* @category Function
* @sig (* -> c) -> (a, b -> c)
* @param {Function} fn The function to wrap.
* @return {Function} A new function wrapping `fn`. The new function is guaranteed to be of
* arity 2.
* @example
*
* var takesThreeArgs = function(a, b, c) {
* return [a, b, c];
* };
* takesThreeArgs.length; //=> 3
* takesThreeArgs(1, 2, 3); //=> [1, 2, 3]
*
* var takesTwoArgs = R.binary(takesThreeArgs);
* takesTwoArgs.length; //=> 2
* // Only 2 arguments are passed to the wrapped function
* takesTwoArgs(1, 2, 3); //=> [1, 2, undefined]
*/
var binary = _curry1(function binary(fn) {
return nAry(2, fn);
});
/**
* Creates a deep copy of the value which may contain (nested) `Array`s and
* `Object`s, `Number`s, `String`s, `Boolean`s and `Date`s. `Function`s are not
* copied, but assigned by their reference.
*
* Dispatches to a `clone` method if present.
*
* @func
* @memberOf R
* @since v0.1.0
* @category Object
* @sig {*} -> {*}
* @param {*} value The object or array to clone
* @return {*} A new object or array.
* @example
*
* var objects = [{}, {}, {}];
* var objectsClone = R.clone(objects);
* objects[0] === objectsClone[0]; //=> false
*/
var clone = _curry1(function clone(value) {
return value != null && typeof value.clone === 'function' ? value.clone() : _clone(value, [], [], true);
});
/**
* Returns a curried equivalent of the provided function. The curried function
* has two unusual capabilities. First, its arguments needn't be provided one
* at a time. If `f` is a ternary function and `g` is `R.curry(f)`, the
* following are equivalent:
*
* - `g(1)(2)(3)`
* - `g(1)(2, 3)`
* - `g(1, 2)(3)`
* - `g(1, 2, 3)`
*
* Secondly, the special placeholder value `R.__` may be used to specify
* "gaps", allowing partial application of any combination of arguments,
* regardless of their positions. If `g` is as above and `_` is `R.__`, the
* following are equivalent:
*
* - `g(1, 2, 3)`
* - `g(_, 2, 3)(1)`
* - `g(_, _, 3)(1)(2)`
* - `g(_, _, 3)(1, 2)`
* - `g(_, 2)(1)(3)`
* - `g(_, 2)(1, 3)`
* - `g(_, 2)(_, 3)(1)`
*
* @func
* @memberOf R
* @since v0.1.0
* @category Function
* @sig (* -> a) -> (* -> a)
* @param {Function} fn The function to curry.
* @return {Function} A new, curried function.
* @see R.curryN
* @example
*
* var addFourNumbers = (a, b, c, d) => a + b + c + d;
*
* var curriedAddFourNumbers = R.curry(addFourNumbers);
* var f = curriedAddFourNumbers(1, 2);
* var g = f(3);
* g(4); //=> 10
*/
var curry = _curry1(function curry(fn) {
return curryN(fn.length, fn);
});
/**
* Returns all but the first `n` elements of the given list, string, or
* transducer/transformer (or object with a `drop` method).
*
* Dispatches to the `drop` method of the second argument, if present.
*
* @func
* @memberOf R
* @since v0.1.0
* @category List
* @sig Number -> [a] -> [a]
* @sig Number -> String -> String
* @param {Number} n
* @param {*} list
* @return {*}
* @see R.take, R.transduce
* @example
*
* R.drop(1, ['foo', 'bar', 'baz']); //=> ['bar', 'baz']
* R.drop(2, ['foo', 'bar', 'baz']); //=> ['baz']
* R.drop(3, ['foo', 'bar', 'baz']); //=> []
* R.drop(4, ['foo', 'bar', 'baz']); //=> []
* R.drop(3, 'ramda'); //=> 'da'
*/
var drop = _curry2(_dispatchable('drop', _xdrop, function drop(n, xs) {
return slice(Math.max(0, n), Infinity, xs);
}));
/**
* Returns a list containing all but the last `n` elements of the given `list`.
*
* @func
* @memberOf R
* @since v0.16.0
* @category List
* @sig Number -> [a] -> [a]
* @sig Number -> String -> String
* @param {Number} n The number of elements of `xs` to skip.
* @param {Array} xs The collection to consider.
* @return {Array}
* @see R.takeLast
* @example
*
* R.dropLast(1, ['foo', 'bar', 'baz']); //=> ['foo', 'bar']
* R.dropLast(2, ['foo', 'bar', 'baz']); //=> ['foo']
* R.dropLast(3, ['foo', 'bar', 'baz']); //=> []
* R.dropLast(4, ['foo', 'bar', 'baz']); //=> []
* R.dropLast(3, 'ramda'); //=> 'ra'
*/
var dropLast = _curry2(_dispatchable('dropLast', _xdropLast, _dropLast));
/**
* Returns a new list excluding all the tailing elements of a given list which
* satisfy the supplied predicate function. It passes each value from the right
* to the supplied predicate function, skipping elements while the predicate
* function returns `true`. The predicate function is applied to one argument:
* *(value)*.
*
* @func
* @memberOf R
* @since v0.16.0
* @category List
* @sig (a -> Boolean) -> [a] -> [a]
* @param {Function} fn The function called per iteration.
* @param {Array} list The collection to iterate over.
* @return {Array} A new array.
* @see R.takeLastWhile, R.addIndex
* @example
*
* var lteThree = x => x <= 3;
*
* R.dropLastWhile(lteThree, [1, 2, 3, 4, 3, 2, 1]); //=> [1, 2, 3, 4]
*/
var dropLastWhile = _curry2(_dispatchable('dropLastWhile', _xdropLastWhile, _dropLastWhile));
/**
* Returns `true` if its arguments are equivalent, `false` otherwise. Handles
* cyclical data structures.
*
* Dispatches symmetrically to the `equals` methods of both arguments, if
* present.
*
* @func
* @memberOf R
* @since v0.15.0
* @category Relation
* @sig a -> b -> Boolean
* @param {*} a
* @param {*} b
* @return {Boolean}
* @example
*
* R.equals(1, 1); //=> true
* R.equals(1, '1'); //=> false
* R.equals([1, 2, 3], [1, 2, 3]); //=> true
*
* var a = {}; a.v = a;
* var b = {}; b.v = b;
* R.equals(a, b); //=> true
*/
var equals = _curry2(function equals(a, b) {
return _equals(a, b, [], []);
});
/**
* Takes a predicate and a "filterable", and returns a new filterable of the
* same type containing the members of the given filterable which satisfy the
* given predicate.
*
* Dispatches to the `filter` method of the second argument, if present.
*
* Acts as a transducer if a transformer is given in list position.
*
* @func
* @memberOf R
* @since v0.1.0
* @category List
* @sig Filterable f => (a -> Boolean) -> f a -> f a
* @param {Function} pred
* @param {Array} filterable
* @return {Array}
* @see R.reject, R.transduce, R.addIndex
* @example
*
* var isEven = n => n % 2 === 0;
*
* R.filter(isEven, [1, 2, 3, 4]); //=> [2, 4]
*
* R.filter(isEven, {a: 1, b: 2, c: 3, d: 4}); //=> {b: 2, d: 4}
*/
// else
var filter = _curry2(_dispatchable('filter', _xfilter, function (pred, filterable) {
return _isObject(filterable) ? _reduce(function (acc, key) {
if (pred(filterable[key])) {
acc[key] = filterable[key];
}
return acc;
}, {}, keys(filterable)) : // else
_filter(pred, filterable);
}));
/**
* Returns a new list by pulling every item out of it (and all its sub-arrays)
* and putting them in a new array, depth-first.
*
* @func
* @memberOf R
* @since v0.1.0
* @category List
* @sig [a] -> [b]
* @param {Array} list The array to consider.
* @return {Array} The flattened list.
* @see R.unnest
* @example
*
* R.flatten([1, 2, [3, 4], 5, [6, [7, 8, [9, [10, 11], 12]]]]);
* //=> [1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12]
*/
var flatten = _curry1(_makeFlat(true));
/**
* Returns a new function much like the supplied one, except that the first two
* arguments' order is reversed.
*
* @func
* @memberOf R
* @since v0.1.0
* @category Function
* @sig (a -> b -> c -> ... -> z) -> (b -> a -> c -> ... -> z)
* @param {Function} fn The function to invoke with its first two parameters reversed.
* @return {*} The result of invoking `fn` with its first two parameters' order reversed.
* @example
*
* var mergeThree = (a, b, c) => [].concat(a, b, c);
*
* mergeThree(1, 2, 3); //=> [1, 2, 3]
*
* R.flip(mergeThree)(1, 2, 3); //=> [2, 1, 3]
*/
var flip = _curry1(function flip(fn) {
return curry(function (a, b) {
var args = _slice(arguments);
args[0] = b;
args[1] = a;
return fn.apply(this, args);
});
});
/**
* Returns the first element of the given list or string. In some libraries
* this function is named `first`.
*
* @func
* @memberOf R
* @since v0.1.0
* @category List
* @sig [a] -> a | Undefined
* @sig String -> String
* @param {Array|String} list
* @return {*}
* @see R.tail, R.init, R.last
* @example
*
* R.head(['fi', 'fo', 'fum']); //=> 'fi'
* R.head([]); //=> undefined
*
* R.head('abc'); //=> 'a'
* R.head(''); //=> ''
*/
var head = nth(0);
/**
* Returns all but the last element of the given list or string.
*
* @func
* @memberOf R
* @since v0.9.0
* @category List
* @sig [a] -> [a]
* @sig String -> String
* @param {*} list
* @return {*}
* @see R.last, R.head, R.tail
* @example
*
* R.init([1, 2, 3]); //=> [1, 2]
* R.init([1, 2]); //=> [1]
* R.init([1]); //=> []
* R.init([]); //=> []
*
* R.init('abc'); //=> 'ab'
* R.init('ab'); //=> 'a'
* R.init('a'); //=> ''
* R.init(''); //=> ''
*/
var init = slice(0, -1);
/**
* Combines two lists into a set (i.e. no duplicates) composed of those
* elements common to both lists. Duplication is determined according to the
* value returned by applying the supplied predicate to two list elements.
*
* @func
* @memberOf R
* @since v0.1.0
* @category Relation
* @sig (a -> a -> Boolean) -> [*] -> [*] -> [*]
* @param {Function} pred A predicate function that determines whether
* the two supplied elements are equal.
* @param {Array} list1 One list of items to compare
* @param {Array} list2 A second list of items to compare
* @return {Array} A new list containing those elements common to both lists.
* @see R.intersection
* @example
*
* var buffaloSpringfield = [
* {id: 824, name: 'Richie Furay'},
* {id: 956, name: 'Dewey Martin'},
* {id: 313, name: 'Bruce Palmer'},
* {id: 456, name: 'Stephen Stills'},
* {id: 177, name: 'Neil Young'}
* ];
* var csny = [
* {id: 204, name: 'David Crosby'},
* {id: 456, name: 'Stephen Stills'},
* {id: 539, name: 'Graham Nash'},
* {id: 177, name: 'Neil Young'}
* ];
*
* R.intersectionWith(R.eqBy(R.prop('id')), buffaloSpringfield, csny);
* //=> [{id: 456, name: 'Stephen Stills'}, {id: 177, name: 'Neil Young'}]
*/
var intersectionWith = _curry3(function intersectionWith(pred, list1, list2) {
var lookupList, filteredList;
if (list1.length > list2.length) {
lookupList = list1;
filteredList = list2;
} else {
lookupList = list2;
filteredList = list1;
}
var results = [];
var idx = 0;
while (idx < filteredList.length) {
if (_containsWith(pred, filteredList[idx], lookupList)) {
results[results.length] = filteredList[idx];
}
idx += 1;
}
return uniqWith(pred, results);
});
/**
* Transforms the items of the list with the transducer and appends the
* transformed items to the accumulator using an appropriate iterator function
* based on the accumulator type.
*
* The accumulator can be an array, string, object or a transformer. Iterated
* items will be appended to arrays and concatenated to strings. Objects will
* be merged directly or 2-item arrays will be merged as key, value pairs.
*
* The accumulator can also be a transformer object that provides a 2-arity
* reducing iterator function, step, 0-arity initial value function, init, and
* 1-arity result extraction function result. The step function is used as the
* iterator function in reduce. The result function is used to convert the
* final accumulator into the return type and in most cases is R.identity. The
* init function is used to provide the initial accumulator.
*
* The iteration is performed with R.reduce after initializing the transducer.
*
* @func
* @memberOf R
* @since v0.12.0
* @category List
* @sig a -> (b -> b) -> [c] -> a
* @param {*} acc The initial accumulator value.
* @param {Function} xf The transducer function. Receives a transformer and returns a transformer.
* @param {Array} list The list to iterate over.
* @return {*} The final, accumulated value.
* @example
*
* var numbers = [1, 2, 3, 4];
* var transducer = R.compose(R.map(R.add(1)), R.take(2));
*
* R.into([], transducer, numbers); //=> [2, 3]
*
* var intoArray = R.into([]);
* intoArray(transducer, numbers); //=> [2, 3]
*/
var into = _curry3(function into(acc, xf, list) {
return _isTransformer(acc) ? _reduce(xf(acc), acc['@@transducer/init'](), list) : _reduce(xf(_stepCat(acc)), _clone(acc, [], [], false), list);
});
/**
* Same as R.invertObj, however this accounts for objects with duplicate values
* by putting the values into an array.
*
* @func
* @memberOf R
* @since v0.9.0
* @category Object
* @sig {s: x} -> {x: [ s, ... ]}
* @param {Object} obj The object or array to invert
* @return {Object} out A new object with keys
* in an array.
* @example
*
* var raceResultsByFirstName = {
* first: 'alice',
* second: 'jake',
* third: 'alice',
* };
* R.invert(raceResultsByFirstName);
* //=> { 'alice': ['first', 'third'], 'jake':['second'] }
*/
var invert = _curry1(function invert(obj) {
var props = keys(obj);
var len = props.length;
var idx = 0;
var out = {};
while (idx < len) {
var key = props[idx];
var val = obj[key];
var list = _has(val, out) ? out[val] : out[val] = [];
list[list.length] = key;
idx += 1;
}
return out;
});
/**
* Returns a new object with the keys of the given object as values, and the
* values of the given object, which are coerced to strings, as keys. Note
* that the last key found is preferred when handling the same value.
*
* @func
* @memberOf R
* @since v0.9.0
* @category Object
* @sig {s: x} -> {x: s}
* @param {Object} obj The object or array to invert
* @return {Object} out A new object
* @example
*
* var raceResults = {
* first: 'alice',
* second: 'jake'
* };
* R.invertObj(raceResults);
* //=> { 'alice': 'first', 'jake':'second' }
*
* // Alternatively:
* var raceResults = ['alice', 'jake'];
* R.invertObj(raceResults);
* //=> { 'alice': '0', 'jake':'1' }
*/
var invertObj = _curry1(function invertObj(obj) {
var props = keys(obj);
var len = props.length;
var idx = 0;
var out = {};
while (idx < len) {
var key = props[idx];
out[obj[key]] = key;
idx += 1;
}
return out;
});
/**
* Returns `true` if the given value is its type's empty value; `false`
* otherwise.
*
* @func
* @memberOf R
* @since v0.1.0
* @category Logic
* @sig a -> Boolean
* @param {*} x
* @return {Boolean}
* @see R.empty
* @example
*
* R.isEmpty([1, 2, 3]); //=> false
* R.isEmpty([]); //=> true
* R.isEmpty(''); //=> true
* R.isEmpty(null); //=> false
* R.isEmpty({}); //=> true
* R.isEmpty({length: 0}); //=> false
*/
var isEmpty = _curry1(function isEmpty(x) {
return x != null && equals(x, empty(x));
});
/**
* Returns the last element of the given list or string.
*
* @func
* @memberOf R
* @since v0.1.4
* @category List
* @sig [a] -> a | Undefined
* @sig String -> String
* @param {*} list
* @return {*}
* @see R.init, R.head, R.tail
* @example
*
* R.last(['fi', 'fo', 'fum']); //=> 'fum'
* R.last([]); //=> undefined
*
* R.last('abc'); //=> 'c'
* R.last(''); //=> ''
*/
var last = nth(-1);
/**
* Returns the position of the last occurrence of an item in an array, or -1 if
* the item is not included in the array. `R.equals` is used to determine
* equality.
*
* @func
* @memberOf R
* @since v0.1.0
* @category List
* @sig a -> [a] -> Number
* @param {*} target The item to find.
* @param {Array} xs The array to search in.
* @return {Number} the index of the target, or -1 if the target is not found.
* @see R.indexOf
* @example
*
* R.lastIndexOf(3, [-1,3,3,0,1,2,3,4]); //=> 6
* R.lastIndexOf(10, [1,2,3,4]); //=> -1
*/
var lastIndexOf = _curry2(function lastIndexOf(target, xs) {
if (typeof xs.lastIndexOf === 'function' && !_isArray(xs)) {
return xs.lastIndexOf(target);
} else {
var idx = xs.length - 1;
while (idx >= 0) {
if (equals(xs[idx], target)) {
return idx;
}
idx -= 1;
}
return -1;
}
});
/**
* Takes a function and
* a [functor](https://github.com/fantasyland/fantasy-land#functor),
* applies the function to each of the functor's values, and returns
* a functor of the same shape.
*
* Ramda provides suitable `map` implementations for `Array` and `Object`,
* so this function may be applied to `[1, 2, 3]` or `{x: 1, y: 2, z: 3}`.
*
* Dispatches to the `map` method of the second argument, if present.
*
* Acts as a transducer if a transformer is given in list position.
*
* Also treats functions as functors and will compose them together.
*
* @func
* @memberOf R
* @since v0.1.0
* @category List
* @sig Functor f => (a -> b) -> f a -> f b
* @param {Function} fn The function to be called on every element of the input `list`.
* @param {Array} list The list to be iterated over.
* @return {Array} The new list.
* @see R.transduce, R.addIndex
* @example
*
* var double = x => x * 2;
*
* R.map(double, [1, 2, 3]); //=> [2, 4, 6]
*
* R.map(double, {x: 1, y: 2, z: 3}); //=> {x: 2, y: 4, z: 6}
*/
var map = _curry2(_dispatchable('map', _xmap, function map(fn, functor) {
switch (Object.prototype.toString.call(functor)) {
case '[object Function]':
return curryN(functor.length, function () {
return fn.call(this, functor.apply(this, arguments));
});
case '[object Object]':
return _reduce(function (acc, key) {
acc[key] = fn(functor[key]);
return acc;
}, {}, keys(functor));
default:
return _map(fn, functor);
}
}));
/**
* An Object-specific version of `map`. The function is applied to three
* arguments: *(value, key, obj)*. If only the value is significant, use
* `map` instead.
*
* @func
* @memberOf R
* @since v0.9.0
* @category Object
* @sig ((*, String, Object) -> *) -> Object -> Object
* @param {Function} fn
* @param {Object} obj
* @return {Object}
* @see R.map
* @example
*
* var values = { x: 1, y: 2, z: 3 };
* var prependKeyAndDouble = (num, key, obj) => key + (num * 2);
*
* R.mapObjIndexed(prependKeyAndDouble, values); //=> { x: 'x2', y: 'y4', z: 'z6' }
*/
var mapObjIndexed = _curry2(function mapObjIndexed(fn, obj) {
return _reduce(function (acc, key) {
acc[key] = fn(obj[key], key, obj);
return acc;
}, {}, keys(obj));
});
/**
* Creates a new object with the own properties of the two provided objects. If
* a key exists in both objects, the provided function is applied to the values
* associated with the key in each object, with the result being used as the
* value associated with the key in the returned object. The key will be
* excluded from the returned object if the resulting value is `undefined`.
*
* @func
* @memberOf R
* @since v0.19.0
* @category Object
* @sig (a -> a -> a) -> {a} -> {a} -> {a}
* @param {Function} fn
* @param {Object} l
* @param {Object} r
* @return {Object}
* @see R.merge, R.mergeWithKey
* @example
*
* R.mergeWith(R.concat,
* { a: true, values: [10, 20] },
* { b: true, values: [15, 35] });
* //=> { a: true, b: true, values: [10, 20, 15, 35] }
*/
var mergeWith = _curry3(function mergeWith(fn, l, r) {
return mergeWithKey(function (_, _l, _r) {
return fn(_l, _r);
}, l, r);
});
/**
* Takes a function `f` and a list of arguments, and returns a function `g`.
* When applied, `g` returns the result of applying `f` to the arguments
* provided initially followed by the arguments provided to `g`.
*
* @func
* @memberOf R
* @since v0.10.0
* @category Function
* @sig ((a, b, c, ..., n) -> x) -> [a, b, c, ...] -> ((d, e, f, ..., n) -> x)
* @param {Function} f
* @param {Array} args
* @return {Function}
* @see R.partialRight
* @example
*
* var multiply = (a, b) => a * b;
* var double = R.partial(multiply, [2]);
* double(2); //=> 4
*
* var greet = (salutation, title, firstName, lastName) =>
* salutation + ', ' + title + ' ' + firstName + ' ' + lastName + '!';
*
* var sayHello = R.partial(greet, ['Hello']);
* var sayHelloToMs = R.partial(sayHello, ['Ms.']);
* sayHelloToMs('Jane', 'Jones'); //=> 'Hello, Ms. Jane Jones!'
*/
var partial = _createPartialApplicator(_concat);
/**
* Takes a function `f` and a list of arguments, and returns a function `g`.
* When applied, `g` returns the result of applying `f` to the arguments
* provided to `g` followed by the arguments provided initially.
*
* @func
* @memberOf R
* @since v0.10.0
* @category Function
* @sig ((a, b, c, ..., n) -> x) -> [d, e, f, ..., n] -> ((a, b, c, ...) -> x)
* @param {Function} f
* @param {Array} args
* @return {Function}
* @see R.partial
* @example
*
* var greet = (salutation, title, firstName, lastName) =>
* salutation + ', ' + title + ' ' + firstName + ' ' + lastName + '!';
*
* var greetMsJaneJones = R.partialRight(greet, ['Ms.', 'Jane', 'Jones']);
*
* greetMsJaneJones('Hello'); //=> 'Hello, Ms. Jane Jones!'
*/
var partialRight = _createPartialApplicator(flip(_concat));
/**
* Determines whether a nested path on an object has a specific value, in
* `R.equals` terms. Most likely used to filter a list.
*
* @func
* @memberOf R
* @since v0.7.0
* @category Relation
* @sig [String] -> * -> {String: *} -> Boolean
* @param {Array} path The path of the nested property to use
* @param {*} val The value to compare the nested property with
* @param {Object} obj The object to check the nested property in
* @return {Boolean} `true` if the value equals the nested object property,
* `false` otherwise.
* @example
*
* var user1 = { address: { zipCode: 90210 } };
* var user2 = { address: { zipCode: 55555 } };
* var user3 = { name: 'Bob' };
* var users = [ user1, user2, user3 ];
* var isFamous = R.pathEq(['address', 'zipCode'], 90210);
* R.filter(isFamous, users); //=> [ user1 ]
*/
var pathEq = _curry3(function pathEq(_path, val, obj) {
return equals(path(_path, obj), val);
});
/**
* Returns a new list by plucking the same named property off all objects in
* the list supplied.
*
* @func
* @memberOf R
* @since v0.1.0
* @category List
* @sig k -> [{k: v}] -> [v]
* @param {Number|String} key The key name to pluck off of each object.
* @param {Array} list The array to consider.
* @return {Array} The list of values for the given key.
* @see R.props
* @example
*
* R.pluck('a')([{a: 1}, {a: 2}]); //=> [1, 2]
* R.pluck(0)([[1, 2], [3, 4]]); //=> [1, 3]
*/
var pluck = _curry2(function pluck(p, list) {
return map(prop(p), list);
});
/**
* Reasonable analog to SQL `select` statement.
*
* @func
* @memberOf R
* @since v0.1.0
* @category Object
* @category Relation
* @sig [k] -> [{k: v}] -> [{k: v}]
* @param {Array} props The property names to project
* @param {Array} objs The objects to query
* @return {Array} An array of objects with just the `props` properties.
* @example
*
* var abby = {name: 'Abby', age: 7, hair: 'blond', grade: 2};
* var fred = {name: 'Fred', age: 12, hair: 'brown', grade: 7};
* var kids = [abby, fred];
* R.project(['name', 'grade'], kids); //=> [{name: 'Abby', grade: 2}, {name: 'Fred', grade: 7}]
*/
// passing `identity` gives correct arity
var project = useWith(_map, [
pickAll,
identity
]);
/**
* Returns `true` if the specified object property is equal, in `R.equals`
* terms, to the given value; `false` otherwise.
*
* @func
* @memberOf R
* @since v0.1.0
* @category Relation
* @sig String -> a -> Object -> Boolean
* @param {String} name
* @param {*} val
* @param {*} obj
* @return {Boolean}
* @see R.equals, R.propSatisfies
* @example
*
* var abby = {name: 'Abby', age: 7, hair: 'blond'};
* var fred = {name: 'Fred', age: 12, hair: 'brown'};
* var rusty = {name: 'Rusty', age: 10, hair: 'brown'};
* var alois = {name: 'Alois', age: 15, disposition: 'surly'};
* var kids = [abby, fred, rusty, alois];
* var hasBrownHair = R.propEq('hair', 'brown');
* R.filter(hasBrownHair, kids); //=> [fred, rusty]
*/
var propEq = _curry3(function propEq(name, val, obj) {
return equals(val, obj[name]);
});
/**
* Returns a single item by iterating through the list, successively calling
* the iterator function and passing it an accumulator value and the current
* value from the array, and then passing the result to the next call.
*
* The iterator function receives two values: *(acc, value)*. It may use
* `R.reduced` to shortcut the iteration.
*
* Note: `R.reduce` does not skip deleted or unassigned indices (sparse
* arrays), unlike the native `Array.prototype.reduce` method. For more details
* on this behavior, see:
* https://developer.mozilla.org/en-US/docs/Web/JavaScript/Reference/Global_Objects/Array/reduce#Description
*
* Dispatches to the `reduce` method of the third argument, if present.
*
* @func
* @memberOf R
* @since v0.1.0
* @category List
* @sig ((a, b) -> a) -> a -> [b] -> a
* @param {Function} fn The iterator function. Receives two values, the accumulator and the
* current element from the array.
* @param {*} acc The accumulator value.
* @param {Array} list The list to iterate over.
* @return {*} The final, accumulated value.
* @see R.reduced, R.addIndex
* @example
*
* var numbers = [1, 2, 3];
* var plus = (a, b) => a + b;
*
* R.reduce(plus, 10, numbers); //=> 16
*/
var reduce = _curry3(_reduce);
/**
* Groups the elements of the list according to the result of calling
* the String-returning function `keyFn` on each element and reduces the elements
* of each group to a single value via the reducer function `valueFn`.
*
* This function is basically a more general `groupBy` function.
*
* Acts as a transducer if a transformer is given in list position.
*
* @func
* @memberOf R
* @since v0.20.0
* @category List
* @sig ((a, b) -> a) -> a -> (b -> String) -> [b] -> {String: a}
* @param {Function} valueFn The function that reduces the elements of each group to a single
* value. Receives two values, accumulator for a particular group and the current element.
* @param {*} acc The (initial) accumulator value for each group.
* @param {Function} keyFn The function that maps the list's element into a key.
* @param {Array} list The array to group.
* @return {Object} An object with the output of `keyFn` for keys, mapped to the output of
* `valueFn` for elements which produced that key when passed to `keyFn`.
* @see R.groupBy, R.reduce
* @example
*
* var reduceToNamesBy = R.reduceBy((acc, student) => acc.concat(student.name), []);
* var namesByGrade = reduceToNamesBy(function(student) {
* var score = student.score;
* return score < 65 ? 'F' :
* score < 70 ? 'D' :
* score < 80 ? 'C' :
* score < 90 ? 'B' : 'A';
* });
* var students = [{name: 'Lucy', score: 92},
* {name: 'Drew', score: 85},
* // ...
* {name: 'Bart', score: 62}];
* namesByGrade(students);
* // {
* // 'A': ['Lucy'],
* // 'B': ['Drew']
* // // ...,
* // 'F': ['Bart']
* // }
*/
var reduceBy = _curryN(4, [], _dispatchable('reduceBy', _xreduceBy, function reduceBy(valueFn, valueAcc, keyFn, list) {
return _reduce(function (acc, elt) {
var key = keyFn(elt);
acc[key] = valueFn(_has(key, acc) ? acc[key] : valueAcc, elt);
return acc;
}, {}, list);
}));
/**
* Like `reduce`, `reduceWhile` returns a single item by iterating through
* the list, successively calling the iterator function. `reduceWhile` also
* takes a predicate that is evaluated before each step. If the predicate returns
* `false`, it "short-circuits" the iteration and returns the current value
* of the accumulator.
*
* @func
* @memberOf R
* @since v0.22.0
* @category List
* @sig ((a, b) -> Boolean) -> ((a, b) -> a) -> a -> [b] -> a
* @param {Function} pred The predicate. It is passed the accumulator and the
* current element.
* @param {Function} fn The iterator function. Receives two values, the
* accumulator and the current element.
* @param {*} a The accumulator value.
* @param {Array} list The list to iterate over.
* @return {*} The final, accumulated value.
* @see R.reduce, R.reduced
* @example
*
* var isOdd = (acc, x) => x % 2 === 1;
* var xs = [1, 3, 5, 60, 777, 800];
* R.reduceWhile(isOdd, R.add, 0, xs); //=> 9
*
* var ys = [2, 4, 6]
* R.reduceWhile(isOdd, R.add, 111, ys); //=> 111
*/
var reduceWhile = _curryN(4, [], function _reduceWhile(pred, fn, a, list) {
return _reduce(function (acc, x) {
return pred(acc, x) ? fn(acc, x) : _reduced(acc);
}, a, list);
});
/**
* The complement of `filter`.
*
* Acts as a transducer if a transformer is given in list position.
*
* @func
* @memberOf R
* @since v0.1.0
* @category List
* @sig Filterable f => (a -> Boolean) -> f a -> f a
* @param {Function} pred
* @param {Array} filterable
* @return {Array}
* @see R.filter, R.transduce, R.addIndex
* @example
*
* var isOdd = (n) => n % 2 === 1;
*
* R.reject(isOdd, [1, 2, 3, 4]); //=> [2, 4]
*
* R.reject(isOdd, {a: 1, b: 2, c: 3, d: 4}); //=> {b: 2, d: 4}
*/
var reject = _curry2(function reject(pred, filterable) {
return filter(_complement(pred), filterable);
});
/**
* Returns a fixed list of size `n` containing a specified identical value.
*
* @func
* @memberOf R
* @since v0.1.1
* @category List
* @sig a -> n -> [a]
* @param {*} value The value to repeat.
* @param {Number} n The desired size of the output list.
* @return {Array} A new array containing `n` `value`s.
* @example
*
* R.repeat('hi', 5); //=> ['hi', 'hi', 'hi', 'hi', 'hi']
*
* var obj = {};
* var repeatedObjs = R.repeat(obj, 5); //=> [{}, {}, {}, {}, {}]
* repeatedObjs[0] === repeatedObjs[1]; //=> true
*/
var repeat = _curry2(function repeat(value, n) {
return times(always(value), n);
});
/**
* Adds together all the elements of a list.
*
* @func
* @memberOf R
* @since v0.1.0
* @category Math
* @sig [Number] -> Number
* @param {Array} list An array of numbers
* @return {Number} The sum of all the numbers in the list.
* @see R.reduce
* @example
*
* R.sum([2,4,6,8,100,1]); //=> 121
*/
var sum = reduce(add, 0);
/**
* Returns a new list containing the last `n` elements of the given list.
* If `n > list.length`, returns a list of `list.length` elements.
*
* @func
* @memberOf R
* @since v0.16.0
* @category List
* @sig Number -> [a] -> [a]
* @sig Number -> String -> String
* @param {Number} n The number of elements to return.
* @param {Array} xs The collection to consider.
* @return {Array}
* @see R.dropLast
* @example
*
* R.takeLast(1, ['foo', 'bar', 'baz']); //=> ['baz']
* R.takeLast(2, ['foo', 'bar', 'baz']); //=> ['bar', 'baz']
* R.takeLast(3, ['foo', 'bar', 'baz']); //=> ['foo', 'bar', 'baz']
* R.takeLast(4, ['foo', 'bar', 'baz']); //=> ['foo', 'bar', 'baz']
* R.takeLast(3, 'ramda'); //=> 'mda'
*/
var takeLast = _curry2(function takeLast(n, xs) {
return drop(n >= 0 ? xs.length - n : 0, xs);
});
/**
* Initializes a transducer using supplied iterator function. Returns a single
* item by iterating through the list, successively calling the transformed
* iterator function and passing it an accumulator value and the current value
* from the array, and then passing the result to the next call.
*
* The iterator function receives two values: *(acc, value)*. It will be
* wrapped as a transformer to initialize the transducer. A transformer can be
* passed directly in place of an iterator function. In both cases, iteration
* may be stopped early with the `R.reduced` function.
*
* A transducer is a function that accepts a transformer and returns a
* transformer and can be composed directly.
*
* A transformer is an an object that provides a 2-arity reducing iterator
* function, step, 0-arity initial value function, init, and 1-arity result
* extraction function, result. The step function is used as the iterator
* function in reduce. The result function is used to convert the final
* accumulator into the return type and in most cases is R.identity. The init
* function can be used to provide an initial accumulator, but is ignored by
* transduce.
*
* The iteration is performed with R.reduce after initializing the transducer.
*
* @func
* @memberOf R
* @since v0.12.0
* @category List
* @sig (c -> c) -> (a,b -> a) -> a -> [b] -> a
* @param {Function} xf The transducer function. Receives a transformer and returns a transformer.
* @param {Function} fn The iterator function. Receives two values, the accumulator and the
* current element from the array. Wrapped as transformer, if necessary, and used to
* initialize the transducer
* @param {*} acc The initial accumulator value.
* @param {Array} list The list to iterate over.
* @return {*} The final, accumulated value.
* @see R.reduce, R.reduced, R.into
* @example
*
* var numbers = [1, 2, 3, 4];
* var transducer = R.compose(R.map(R.add(1)), R.take(2));
*
* R.transduce(transducer, R.flip(R.append), [], numbers); //=> [2, 3]
*/
var transduce = curryN(4, function transduce(xf, fn, acc, list) {
return _reduce(xf(typeof fn === 'function' ? _xwrap(fn) : fn), acc, list);
});
/**
* Combines two lists into a set (i.e. no duplicates) composed of the elements
* of each list. Duplication is determined according to the value returned by
* applying the supplied predicate to two list elements.
*
* @func
* @memberOf R
* @since v0.1.0
* @category Relation
* @sig (a -> a -> Boolean) -> [*] -> [*] -> [*]
* @param {Function} pred A predicate used to test whether two items are equal.
* @param {Array} list1 The first list.
* @param {Array} list2 The second list.
* @return {Array} The first and second lists concatenated, with
* duplicates removed.
* @see R.union
* @example
*
* var l1 = [{a: 1}, {a: 2}];
* var l2 = [{a: 1}, {a: 4}];
* R.unionWith(R.eqBy(R.prop('a')), l1, l2); //=> [{a: 1}, {a: 2}, {a: 4}]
*/
var unionWith = _curry3(function unionWith(pred, list1, list2) {
return uniqWith(pred, _concat(list1, list2));
});
/**
* Takes a spec object and a test object; returns true if the test satisfies
* the spec, false otherwise. An object satisfies the spec if, for each of the
* spec's own properties, accessing that property of the object gives the same
* value (in `R.equals` terms) as accessing that property of the spec.
*
* `whereEq` is a specialization of [`where`](#where).
*
* @func
* @memberOf R
* @since v0.14.0
* @category Object
* @sig {String: *} -> {String: *} -> Boolean
* @param {Object} spec
* @param {Object} testObj
* @return {Boolean}
* @see R.where
* @example
*
* // pred :: Object -> Boolean
* var pred = R.whereEq({a: 1, b: 2});
*
* pred({a: 1}); //=> false
* pred({a: 1, b: 2}); //=> true
* pred({a: 1, b: 2, c: 3}); //=> true
* pred({a: 1, b: 1}); //=> false
*/
var whereEq = _curry2(function whereEq(spec, testObj) {
return where(map(equals, spec), testObj);
});
var _flatCat = function () {
var preservingReduced = function (xf) {
return {
'@@transducer/init': _xfBase.init,
'@@transducer/result': function (result) {
return xf['@@transducer/result'](result);
},
'@@transducer/step': function (result, input) {
var ret = xf['@@transducer/step'](result, input);
return ret['@@transducer/reduced'] ? _forceReduced(ret) : ret;
}
};
};
return function _xcat(xf) {
var rxf = preservingReduced(xf);
return {
'@@transducer/init': _xfBase.init,
'@@transducer/result': function (result) {
return rxf['@@transducer/result'](result);
},
'@@transducer/step': function (result, input) {
return !isArrayLike(input) ? _reduce(rxf, result, [input]) : _reduce(rxf, result, input);
}
};
};
}();
// Array.prototype.indexOf doesn't exist below IE9
// manually crawl the list to distinguish between +0 and -0
// NaN
// non-zero numbers can utilise Set
// all these types can utilise Set
// null can utilise Set
// anything else not covered above, defer to R.equals
var _indexOf = function _indexOf(list, a, idx) {
var inf, item;
// Array.prototype.indexOf doesn't exist below IE9
if (typeof list.indexOf === 'function') {
switch (typeof a) {
case 'number':
if (a === 0) {
// manually crawl the list to distinguish between +0 and -0
inf = 1 / a;
while (idx < list.length) {
item = list[idx];
if (item === 0 && 1 / item === inf) {
return idx;
}
idx += 1;
}
return -1;
} else if (a !== a) {
// NaN
while (idx < list.length) {
item = list[idx];
if (typeof item === 'number' && item !== item) {
return idx;
}
idx += 1;
}
return -1;
}
// non-zero numbers can utilise Set
return list.indexOf(a, idx);
// all these types can utilise Set
case 'string':
case 'boolean':
case 'function':
case 'undefined':
return list.indexOf(a, idx);
case 'object':
if (a === null) {
// null can utilise Set
return list.indexOf(a, idx);
}
}
}
// anything else not covered above, defer to R.equals
while (idx < list.length) {
if (equals(list[idx], a)) {
return idx;
}
idx += 1;
}
return -1;
};
var _xchain = _curry2(function _xchain(f, xf) {
return map(f, _flatCat(xf));
});
/**
* Takes a list of predicates and returns a predicate that returns true for a
* given list of arguments if every one of the provided predicates is satisfied
* by those arguments.
*
* The function returned is a curried function whose arity matches that of the
* highest-arity predicate.
*
* @func
* @memberOf R
* @since v0.9.0
* @category Logic
* @sig [(*... -> Boolean)] -> (*... -> Boolean)
* @param {Array} preds
* @return {Function}
* @see R.anyPass
* @example
*
* var isQueen = R.propEq('rank', 'Q');
* var isSpade = R.propEq('suit', '♠︎');
* var isQueenOfSpades = R.allPass([isQueen, isSpade]);
*
* isQueenOfSpades({rank: 'Q', suit: '♣︎'}); //=> false
* isQueenOfSpades({rank: 'Q', suit: '♠︎'}); //=> true
*/
var allPass = _curry1(function allPass(preds) {
return curryN(reduce(max, 0, pluck('length', preds)), function () {
var idx = 0;
var len = preds.length;
while (idx < len) {
if (!preds[idx].apply(this, arguments)) {
return false;
}
idx += 1;
}
return true;
});
});
/**
* Takes a list of predicates and returns a predicate that returns true for a
* given list of arguments if at least one of the provided predicates is
* satisfied by those arguments.
*
* The function returned is a curried function whose arity matches that of the
* highest-arity predicate.
*
* @func
* @memberOf R
* @since v0.9.0
* @category Logic
* @sig [(*... -> Boolean)] -> (*... -> Boolean)
* @param {Array} preds
* @return {Function}
* @see R.allPass
* @example
*
* var gte = R.anyPass([R.gt, R.equals]);
*
* gte(3, 2); //=> true
* gte(2, 2); //=> true
* gte(2, 3); //=> false
*/
var anyPass = _curry1(function anyPass(preds) {
return curryN(reduce(max, 0, pluck('length', preds)), function () {
var idx = 0;
var len = preds.length;
while (idx < len) {
if (preds[idx].apply(this, arguments)) {
return true;
}
idx += 1;
}
return false;
});
});
/**
* ap applies a list of functions to a list of values.
*
* Dispatches to the `ap` method of the second argument, if present. Also
* treats curried functions as applicatives.
*
* @func
* @memberOf R
* @since v0.3.0
* @category Function
* @sig [a -> b] -> [a] -> [b]
* @sig Apply f => f (a -> b) -> f a -> f b
* @param {Array} fns An array of functions
* @param {Array} vs An array of values
* @return {Array} An array of results of applying each of `fns` to all of `vs` in turn.
* @example
*
* R.ap([R.multiply(2), R.add(3)], [1,2,3]); //=> [2, 4, 6, 4, 5, 6]
*/
// else
var ap = _curry2(function ap(applicative, fn) {
return typeof applicative.ap === 'function' ? applicative.ap(fn) : typeof applicative === 'function' ? function (x) {
return applicative(x)(fn(x));
} : // else
_reduce(function (acc, f) {
return _concat(acc, map(f, fn));
}, [], applicative);
});
/**
* Given a spec object recursively mapping properties to functions, creates a
* function producing an object of the same structure, by mapping each property
* to the result of calling its associated function with the supplied arguments.
*
* @func
* @memberOf R
* @since v0.20.0
* @category Function
* @sig {k: ((a, b, ..., m) -> v)} -> ((a, b, ..., m) -> {k: v})
* @param {Object} spec an object recursively mapping properties to functions for
* producing the values for these properties.
* @return {Function} A function that returns an object of the same structure
* as `spec', with each property set to the value returned by calling its
* associated function with the supplied arguments.
* @see R.converge, R.juxt
* @example
*
* var getMetrics = R.applySpec({
* sum: R.add,
* nested: { mul: R.multiply }
* });
* getMetrics(2, 4); // => { sum: 6, nested: { mul: 8 } }
*/
var applySpec = _curry1(function applySpec(spec) {
spec = map(function (v) {
return typeof v == 'function' ? v : applySpec(v);
}, spec);
return curryN(reduce(max, 0, pluck('length', values(spec))), function () {
var args = arguments;
return map(function (f) {
return apply(f, args);
}, spec);
});
});
/**
* Returns the result of calling its first argument with the remaining
* arguments. This is occasionally useful as a converging function for
* `R.converge`: the left branch can produce a function while the right branch
* produces a value to be passed to that function as an argument.
*
* @func
* @memberOf R
* @since v0.9.0
* @category Function
* @sig (*... -> a),*... -> a
* @param {Function} fn The function to apply to the remaining arguments.
* @param {...*} args Any number of positional arguments.
* @return {*}
* @see R.apply
* @example
*
* var indentN = R.pipe(R.times(R.always(' ')),
* R.join(''),
* R.replace(/^(?!$)/gm));
*
* var format = R.converge(R.call, [
* R.pipe(R.prop('indent'), indentN),
* R.prop('value')
* ]);
*
* format({indent: 2, value: 'foo\nbar\nbaz\n'}); //=> ' foo\n bar\n baz\n'
*/
var call = curry(function call(fn) {
return fn.apply(this, _slice(arguments, 1));
});
/**
* `chain` maps a function over a list and concatenates the results. `chain`
* is also known as `flatMap` in some libraries
*
* Dispatches to the `chain` method of the second argument, if present,
* according to the [FantasyLand Chain spec](https://github.com/fantasyland/fantasy-land#chain).
*
* @func
* @memberOf R
* @since v0.3.0
* @category List
* @sig Chain m => (a -> m b) -> m a -> m b
* @param {Function} fn
* @param {Array} list
* @return {Array}
* @example
*
* var duplicate = n => [n, n];
* R.chain(duplicate, [1, 2, 3]); //=> [1, 1, 2, 2, 3, 3]
*/
var chain = _curry2(_dispatchable('chain', _xchain, function chain(fn, monad) {
if (typeof monad === 'function') {
return function () {
return monad.call(this, fn.apply(this, arguments)).apply(this, arguments);
};
}
return _makeFlat(false)(map(fn, monad));
}));
/**
* Returns a function, `fn`, which encapsulates if/else-if/else logic.
* `R.cond` takes a list of [predicate, transform] pairs. All of the arguments
* to `fn` are applied to each of the predicates in turn until one returns a
* "truthy" value, at which point `fn` returns the result of applying its
* arguments to the corresponding transformer. If none of the predicates
* matches, `fn` returns undefined.
*
* @func
* @memberOf R
* @since v0.6.0
* @category Logic
* @sig [[(*... -> Boolean),(*... -> *)]] -> (*... -> *)
* @param {Array} pairs
* @return {Function}
* @example
*
* var fn = R.cond([
* [R.equals(0), R.always('water freezes at 0°C')],
* [R.equals(100), R.always('water boils at 100°C')],
* [R.T, temp => 'nothing special happens at ' + temp + '°C']
* ]);
* fn(0); //=> 'water freezes at 0°C'
* fn(50); //=> 'nothing special happens at 50°C'
* fn(100); //=> 'water boils at 100°C'
*/
var cond = _curry1(function cond(pairs) {
var arity = reduce(max, 0, map(function (pair) {
return pair[0].length;
}, pairs));
return _arity(arity, function () {
var idx = 0;
while (idx < pairs.length) {
if (pairs[idx][0].apply(this, arguments)) {
return pairs[idx][1].apply(this, arguments);
}
idx += 1;
}
});
});
/**
* Wraps a constructor function inside a curried function that can be called
* with the same arguments and returns the same type. The arity of the function
* returned is specified to allow using variadic constructor functions.
*
* @func
* @memberOf R
* @since v0.4.0
* @category Function
* @sig Number -> (* -> {*}) -> (* -> {*})
* @param {Number} n The arity of the constructor function.
* @param {Function} Fn The constructor function to wrap.
* @return {Function} A wrapped, curried constructor function.
* @example
*
* // Variadic constructor function
* var Widget = () => {
* this.children = Array.prototype.slice.call(arguments);
* // ...
* };
* Widget.prototype = {
* // ...
* };
* var allConfigs = [
* // ...
* ];
* R.map(R.constructN(1, Widget), allConfigs); // a list of Widgets
*/
var constructN = _curry2(function constructN(n, Fn) {
if (n > 10) {
throw new Error('Constructor with greater than ten arguments');
}
if (n === 0) {
return function () {
return new Fn();
};
}
return curry(nAry(n, function ($0, $1, $2, $3, $4, $5, $6, $7, $8, $9) {
switch (arguments.length) {
case 1:
return new Fn($0);
case 2:
return new Fn($0, $1);
case 3:
return new Fn($0, $1, $2);
case 4:
return new Fn($0, $1, $2, $3);
case 5:
return new Fn($0, $1, $2, $3, $4);
case 6:
return new Fn($0, $1, $2, $3, $4, $5);
case 7:
return new Fn($0, $1, $2, $3, $4, $5, $6);
case 8:
return new Fn($0, $1, $2, $3, $4, $5, $6, $7);
case 9:
return new Fn($0, $1, $2, $3, $4, $5, $6, $7, $8);
case 10:
return new Fn($0, $1, $2, $3, $4, $5, $6, $7, $8, $9);
}
}));
});
/**
* Accepts a converging function and a list of branching functions and returns
* a new function. When invoked, this new function is applied to some
* arguments, each branching function is applied to those same arguments. The
* results of each branching function are passed as arguments to the converging
* function to produce the return value.
*
* @func
* @memberOf R
* @since v0.4.2
* @category Function
* @sig (x1 -> x2 -> ... -> z) -> [(a -> b -> ... -> x1), (a -> b -> ... -> x2), ...] -> (a -> b -> ... -> z)
* @param {Function} after A function. `after` will be invoked with the return values of
* `fn1` and `fn2` as its arguments.
* @param {Array} functions A list of functions.
* @return {Function} A new function.
* @example
*
* var add = (a, b) => a + b;
* var multiply = (a, b) => a * b;
* var subtract = (a, b) => a - b;
*
* //≅ multiply( add(1, 2), subtract(1, 2) );
* R.converge(multiply, [add, subtract])(1, 2); //=> -3
*
* var add3 = (a, b, c) => a + b + c;
* R.converge(add3, [multiply, add, subtract])(1, 2); //=> 4
*/
var converge = _curry2(function converge(after, fns) {
return curryN(reduce(max, 0, pluck('length', fns)), function () {
var args = arguments;
var context = this;
return after.apply(context, _map(function (fn) {
return fn.apply(context, args);
}, fns));
});
});
/**
* Counts the elements of a list according to how many match each value of a
* key generated by the supplied function. Returns an object mapping the keys
* produced by `fn` to the number of occurrences in the list. Note that all
* keys are coerced to strings because of how JavaScript objects work.
*
* Acts as a transducer if a transformer is given in list position.
*
* @func
* @memberOf R
* @since v0.1.0
* @category Relation
* @sig (a -> String) -> [a] -> {*}
* @param {Function} fn The function used to map values to keys.
* @param {Array} list The list to count elements from.
* @return {Object} An object mapping keys to number of occurrences in the list.
* @example
*
* var numbers = [1.0, 1.1, 1.2, 2.0, 3.0, 2.2];
* var letters = R.split('', 'abcABCaaaBBc');
* R.countBy(Math.floor)(numbers); //=> {'1': 3, '2': 2, '3': 1}
* R.countBy(R.toLower)(letters); //=> {'a': 5, 'b': 4, 'c': 3}
*/
var countBy = reduceBy(function (acc, elem) {
return acc + 1;
}, 0);
/**
* Returns a new list without any consecutively repeating elements. Equality is
* determined by applying the supplied predicate two consecutive elements. The
* first element in a series of equal element is the one being preserved.
*
* Dispatches to the `dropRepeatsWith` method of the second argument, if present.
*
* Acts as a transducer if a transformer is given in list position.
*
* @func
* @memberOf R
* @since v0.14.0
* @category List
* @sig (a, a -> Boolean) -> [a] -> [a]
* @param {Function} pred A predicate used to test whether two items are equal.
* @param {Array} list The array to consider.
* @return {Array} `list` without repeating elements.
* @see R.transduce
* @example
*
* var l = [1, -1, 1, 3, 4, -4, -4, -5, 5, 3, 3];
* R.dropRepeatsWith(R.eqBy(Math.abs), l); //=> [1, 3, 4, -5, 3]
*/
var dropRepeatsWith = _curry2(_dispatchable('dropRepeatsWith', _xdropRepeatsWith, function dropRepeatsWith(pred, list) {
var result = [];
var idx = 1;
var len = list.length;
if (len !== 0) {
result[0] = list[0];
while (idx < len) {
if (!pred(last(result), list[idx])) {
result[result.length] = list[idx];
}
idx += 1;
}
}
return result;
}));
/**
* Takes a function and two values in its domain and returns `true` if the
* values map to the same value in the codomain; `false` otherwise.
*
* @func
* @memberOf R
* @since v0.18.0
* @category Relation
* @sig (a -> b) -> a -> a -> Boolean
* @param {Function} f
* @param {*} x
* @param {*} y
* @return {Boolean}
* @example
*
* R.eqBy(Math.abs, 5, -5); //=> true
*/
var eqBy = _curry3(function eqBy(f, x, y) {
return equals(f(x), f(y));
});
/**
* Reports whether two objects have the same value, in `R.equals` terms, for
* the specified property. Useful as a curried predicate.
*
* @func
* @memberOf R
* @since v0.1.0
* @category Object
* @sig k -> {k: v} -> {k: v} -> Boolean
* @param {String} prop The name of the property to compare
* @param {Object} obj1
* @param {Object} obj2
* @return {Boolean}
*
* @example
*
* var o1 = { a: 1, b: 2, c: 3, d: 4 };
* var o2 = { a: 10, b: 20, c: 3, d: 40 };
* R.eqProps('a', o1, o2); //=> false
* R.eqProps('c', o1, o2); //=> true
*/
var eqProps = _curry3(function eqProps(prop, obj1, obj2) {
return equals(obj1[prop], obj2[prop]);
});
/**
* Splits a list into sub-lists stored in an object, based on the result of
* calling a String-returning function on each element, and grouping the
* results according to values returned.
*
* Dispatches to the `groupBy` method of the second argument, if present.
*
* Acts as a transducer if a transformer is given in list position.
*
* @func
* @memberOf R
* @since v0.1.0
* @category List
* @sig (a -> String) -> [a] -> {String: [a]}
* @param {Function} fn Function :: a -> String
* @param {Array} list The array to group
* @return {Object} An object with the output of `fn` for keys, mapped to arrays of elements
* that produced that key when passed to `fn`.
* @see R.transduce
* @example
*
* var byGrade = R.groupBy(function(student) {
* var score = student.score;
* return score < 65 ? 'F' :
* score < 70 ? 'D' :
* score < 80 ? 'C' :
* score < 90 ? 'B' : 'A';
* });
* var students = [{name: 'Abby', score: 84},
* {name: 'Eddy', score: 58},
* // ...
* {name: 'Jack', score: 69}];
* byGrade(students);
* // {
* // 'A': [{name: 'Dianne', score: 99}],
* // 'B': [{name: 'Abby', score: 84}]
* // // ...,
* // 'F': [{name: 'Eddy', score: 58}]
* // }
*/
var groupBy = _curry2(_checkForMethod('groupBy', reduceBy(function (acc, item) {
if (acc == null) {
acc = [];
}
acc.push(item);
return acc;
}, null)));
/**
* Given a function that generates a key, turns a list of objects into an
* object indexing the objects by the given key. Note that if multiple
* objects generate the same value for the indexing key only the last value
* will be included in the generated object.
*
* Acts as a transducer if a transformer is given in list position.
*
* @func
* @memberOf R
* @since v0.19.0
* @category List
* @sig (a -> String) -> [{k: v}] -> {k: {k: v}}
* @param {Function} fn Function :: a -> String
* @param {Array} array The array of objects to index
* @return {Object} An object indexing each array element by the given property.
* @example
*
* var list = [{id: 'xyz', title: 'A'}, {id: 'abc', title: 'B'}];
* R.indexBy(R.prop('id'), list);
* //=> {abc: {id: 'abc', title: 'B'}, xyz: {id: 'xyz', title: 'A'}}
*/
var indexBy = reduceBy(function (acc, elem) {
return elem;
}, null);
/**
* Returns the position of the first occurrence of an item in an array, or -1
* if the item is not included in the array. `R.equals` is used to determine
* equality.
*
* @func
* @memberOf R
* @since v0.1.0
* @category List
* @sig a -> [a] -> Number
* @param {*} target The item to find.
* @param {Array} xs The array to search in.
* @return {Number} the index of the target, or -1 if the target is not found.
* @see R.lastIndexOf
* @example
*
* R.indexOf(3, [1,2,3,4]); //=> 2
* R.indexOf(10, [1,2,3,4]); //=> -1
*/
var indexOf = _curry2(function indexOf(target, xs) {
return typeof xs.indexOf === 'function' && !_isArray(xs) ? xs.indexOf(target) : _indexOf(xs, target, 0);
});
/**
* juxt applies a list of functions to a list of values.
*
* @func
* @memberOf R
* @since v0.19.0
* @category Function
* @sig [(a, b, ..., m) -> n] -> ((a, b, ..., m) -> [n])
* @param {Array} fns An array of functions
* @return {Function} A function that returns a list of values after applying each of the original `fns` to its parameters.
* @see R.applySpec
* @example
*
* var getRange = R.juxt([Math.min, Math.max]);
* getRange(3, 4, 9, -3); //=> [-3, 9]
*/
var juxt = _curry1(function juxt(fns) {
return converge(_arrayOf, fns);
});
/**
* Returns a lens for the given getter and setter functions. The getter "gets"
* the value of the focus; the setter "sets" the value of the focus. The setter
* should not mutate the data structure.
*
* @func
* @memberOf R
* @since v0.8.0
* @category Object
* @typedefn Lens s a = Functor f => (a -> f a) -> s -> f s
* @sig (s -> a) -> ((a, s) -> s) -> Lens s a
* @param {Function} getter
* @param {Function} setter
* @return {Lens}
* @see R.view, R.set, R.over, R.lensIndex, R.lensProp
* @example
*
* var xLens = R.lens(R.prop('x'), R.assoc('x'));
*
* R.view(xLens, {x: 1, y: 2}); //=> 1
* R.set(xLens, 4, {x: 1, y: 2}); //=> {x: 4, y: 2}
* R.over(xLens, R.negate, {x: 1, y: 2}); //=> {x: -1, y: 2}
*/
var lens = _curry2(function lens(getter, setter) {
return function (toFunctorFn) {
return function (target) {
return map(function (focus) {
return setter(focus, target);
}, toFunctorFn(getter(target)));
};
};
});
/**
* Returns a lens whose focus is the specified index.
*
* @func
* @memberOf R
* @since v0.14.0
* @category Object
* @typedefn Lens s a = Functor f => (a -> f a) -> s -> f s
* @sig Number -> Lens s a
* @param {Number} n
* @return {Lens}
* @see R.view, R.set, R.over
* @example
*
* var headLens = R.lensIndex(0);
*
* R.view(headLens, ['a', 'b', 'c']); //=> 'a'
* R.set(headLens, 'x', ['a', 'b', 'c']); //=> ['x', 'b', 'c']
* R.over(headLens, R.toUpper, ['a', 'b', 'c']); //=> ['A', 'b', 'c']
*/
var lensIndex = _curry1(function lensIndex(n) {
return lens(nth(n), update(n));
});
/**
* Returns a lens whose focus is the specified path.
*
* @func
* @memberOf R
* @since v0.19.0
* @category Object
* @typedefn Lens s a = Functor f => (a -> f a) -> s -> f s
* @sig [String] -> Lens s a
* @param {Array} path The path to use.
* @return {Lens}
* @see R.view, R.set, R.over
* @example
*
* var xyLens = R.lensPath(['x', 'y']);
*
* R.view(xyLens, {x: {y: 2, z: 3}}); //=> 2
* R.set(xyLens, 4, {x: {y: 2, z: 3}}); //=> {x: {y: 4, z: 3}}
* R.over(xyLens, R.negate, {x: {y: 2, z: 3}}); //=> {x: {y: -2, z: 3}}
*/
var lensPath = _curry1(function lensPath(p) {
return lens(path(p), assocPath(p));
});
/**
* Returns a lens whose focus is the specified property.
*
* @func
* @memberOf R
* @since v0.14.0
* @category Object
* @typedefn Lens s a = Functor f => (a -> f a) -> s -> f s
* @sig String -> Lens s a
* @param {String} k
* @return {Lens}
* @see R.view, R.set, R.over
* @example
*
* var xLens = R.lensProp('x');
*
* R.view(xLens, {x: 1, y: 2}); //=> 1
* R.set(xLens, 4, {x: 1, y: 2}); //=> {x: 4, y: 2}
* R.over(xLens, R.negate, {x: 1, y: 2}); //=> {x: -1, y: 2}
*/
var lensProp = _curry1(function lensProp(k) {
return lens(prop(k), assoc(k));
});
/**
* "lifts" a function to be the specified arity, so that it may "map over" that
* many lists, Functions or other objects that satisfy the [FantasyLand Apply spec](https://github.com/fantasyland/fantasy-land#apply).
*
* @func
* @memberOf R
* @since v0.7.0
* @category Function
* @sig Number -> (*... -> *) -> ([*]... -> [*])
* @param {Function} fn The function to lift into higher context
* @return {Function} The lifted function.
* @see R.lift, R.ap
* @example
*
* var madd3 = R.liftN(3, R.curryN(3, (...args) => R.sum(args)));
* madd3([1,2,3], [1,2,3], [1]); //=> [3, 4, 5, 4, 5, 6, 5, 6, 7]
*/
var liftN = _curry2(function liftN(arity, fn) {
var lifted = curryN(arity, fn);
return curryN(arity, function () {
return _reduce(ap, map(lifted, arguments[0]), _slice(arguments, 1));
});
});
/**
* Returns the mean of the given list of numbers.
*
* @func
* @memberOf R
* @since v0.14.0
* @category Math
* @sig [Number] -> Number
* @param {Array} list
* @return {Number}
* @example
*
* R.mean([2, 7, 9]); //=> 6
* R.mean([]); //=> NaN
*/
var mean = _curry1(function mean(list) {
return sum(list) / list.length;
});
/**
* Returns the median of the given list of numbers.
*
* @func
* @memberOf R
* @since v0.14.0
* @category Math
* @sig [Number] -> Number
* @param {Array} list
* @return {Number}
* @example
*
* R.median([2, 9, 7]); //=> 7
* R.median([7, 2, 10, 9]); //=> 8
* R.median([]); //=> NaN
*/
var median = _curry1(function median(list) {
var len = list.length;
if (len === 0) {
return NaN;
}
var width = 2 - len % 2;
var idx = (len - width) / 2;
return mean(_slice(list).sort(function (a, b) {
return a < b ? -1 : a > b ? 1 : 0;
}).slice(idx, idx + width));
});
/**
* Takes a predicate and a list or other "filterable" object and returns the
* pair of filterable objects of the same type of elements which do and do not
* satisfy, the predicate, respectively.
*
* @func
* @memberOf R
* @since v0.1.4
* @category List
* @sig Filterable f => (a -> Boolean) -> f a -> [f a, f a]
* @param {Function} pred A predicate to determine which side the element belongs to.
* @param {Array} filterable the list (or other filterable) to partition.
* @return {Array} An array, containing first the subset of elements that satisfy the
* predicate, and second the subset of elements that do not satisfy.
* @see R.filter, R.reject
* @example
*
* R.partition(R.contains('s'), ['sss', 'ttt', 'foo', 'bars']);
* // => [ [ 'sss', 'bars' ], [ 'ttt', 'foo' ] ]
*
* R.partition(R.contains('s'), { a: 'sss', b: 'ttt', foo: 'bars' });
* // => [ { a: 'sss', foo: 'bars' }, { b: 'ttt' } ]
*/
var partition = juxt([
filter,
reject
]);
/**
* Performs left-to-right function composition. The leftmost function may have
* any arity; the remaining functions must be unary.
*
* In some libraries this function is named `sequence`.
*
* **Note:** The result of pipe is not automatically curried.
*
* @func
* @memberOf R
* @since v0.1.0
* @category Function
* @sig (((a, b, ..., n) -> o), (o -> p), ..., (x -> y), (y -> z)) -> ((a, b, ..., n) -> z)
* @param {...Function} functions
* @return {Function}
* @see R.compose
* @example
*
* var f = R.pipe(Math.pow, R.negate, R.inc);
*
* f(3, 4); // -(3^4) + 1
*/
var pipe = function pipe() {
if (arguments.length === 0) {
throw new Error('pipe requires at least one argument');
}
return _arity(arguments[0].length, reduce(_pipe, arguments[0], tail(arguments)));
};
/**
* Performs left-to-right composition of one or more Promise-returning
* functions. The leftmost function may have any arity; the remaining functions
* must be unary.
*
* @func
* @memberOf R
* @since v0.10.0
* @category Function
* @sig ((a -> Promise b), (b -> Promise c), ..., (y -> Promise z)) -> (a -> Promise z)
* @param {...Function} functions
* @return {Function}
* @see R.composeP
* @example
*
* // followersForUser :: String -> Promise [User]
* var followersForUser = R.pipeP(db.getUserById, db.getFollowers);
*/
var pipeP = function pipeP() {
if (arguments.length === 0) {
throw new Error('pipeP requires at least one argument');
}
return _arity(arguments[0].length, reduce(_pipeP, arguments[0], tail(arguments)));
};
/**
* Multiplies together all the elements of a list.
*
* @func
* @memberOf R
* @since v0.1.0
* @category Math
* @sig [Number] -> Number
* @param {Array} list An array of numbers
* @return {Number} The product of all the numbers in the list.
* @see R.reduce
* @example
*
* R.product([2,4,6,8,100,1]); //=> 38400
*/
var product = reduce(multiply, 1);
/**
* Transforms a [Traversable](https://github.com/fantasyland/fantasy-land#traversable)
* of [Applicative](https://github.com/fantasyland/fantasy-land#applicative) into an
* Applicative of Traversable.
*
* Dispatches to the `sequence` method of the second argument, if present.
*
* @func
* @memberOf R
* @since v0.19.0
* @category List
* @sig (Applicative f, Traversable t) => (a -> f a) -> t (f a) -> f (t a)
* @param {Function} of
* @param {*} traversable
* @return {*}
* @see R.traverse
* @example
*
* R.sequence(Maybe.of, [Just(1), Just(2), Just(3)]); //=> Just([1, 2, 3])
* R.sequence(Maybe.of, [Just(1), Just(2), Nothing()]); //=> Nothing()
*
* R.sequence(R.of, Just([1, 2, 3])); //=> [Just(1), Just(2), Just(3)]
* R.sequence(R.of, Nothing()); //=> [Nothing()]
*/
var sequence = _curry2(function sequence(of, traversable) {
return typeof traversable.sequence === 'function' ? traversable.sequence(of) : reduceRight(function (acc, x) {
return ap(map(prepend, x), acc);
}, of([]), traversable);
});
/**
* Maps an [Applicative](https://github.com/fantasyland/fantasy-land#applicative)-returning
* function over a [Traversable](https://github.com/fantasyland/fantasy-land#traversable),
* then uses [`sequence`](#sequence) to transform the resulting Traversable of Applicative
* into an Applicative of Traversable.
*
* Dispatches to the `sequence` method of the third argument, if present.
*
* @func
* @memberOf R
* @since v0.19.0
* @category List
* @sig (Applicative f, Traversable t) => (a -> f a) -> (a -> f b) -> t a -> f (t b)
* @param {Function} of
* @param {Function} f
* @param {*} traversable
* @return {*}
* @see R.sequence
* @example
*
* // Returns `Nothing` if the given divisor is `0`
* safeDiv = n => d => d === 0 ? Nothing() : Just(n / d)
*
* R.traverse(Maybe.of, safeDiv(10), [2, 4, 5]); //=> Just([5, 2.5, 2])
* R.traverse(Maybe.of, safeDiv(10), [2, 0, 5]); //=> Nothing
*/
var traverse = _curry3(function traverse(of, f, traversable) {
return sequence(of, map(f, traversable));
});
/**
* Shorthand for `R.chain(R.identity)`, which removes one level of nesting from
* any [Chain](https://github.com/fantasyland/fantasy-land#chain).
*
* @func
* @memberOf R
* @since v0.3.0
* @category List
* @sig Chain c => c (c a) -> c a
* @param {*} list
* @return {*}
* @see R.flatten, R.chain
* @example
*
* R.unnest([1, [2], [[3]]]); //=> [1, 2, [3]]
* R.unnest([[1, 2], [3, 4], [5, 6]]); //=> [1, 2, 3, 4, 5, 6]
*/
var unnest = chain(_identity);
var _contains = function _contains(a, list) {
return _indexOf(list, a, 0) >= 0;
};
// mapPairs :: (Object, [String]) -> [String]
var _toString = function _toString(x, seen) {
var recur = function recur(y) {
var xs = seen.concat([x]);
return _contains(y, xs) ? '<Circular>' : _toString(y, xs);
};
// mapPairs :: (Object, [String]) -> [String]
var mapPairs = function (obj, keys) {
return _map(function (k) {
return _quote(k) + ': ' + recur(obj[k]);
}, keys.slice().sort());
};
switch (Object.prototype.toString.call(x)) {
case '[object Arguments]':
return '(function() { return arguments; }(' + _map(recur, x).join(', ') + '))';
case '[object Array]':
return '[' + _map(recur, x).concat(mapPairs(x, reject(function (k) {
return /^\d+$/.test(k);
}, keys(x)))).join(', ') + ']';
case '[object Boolean]':
return typeof x === 'object' ? 'new Boolean(' + recur(x.valueOf()) + ')' : x.toString();
case '[object Date]':
return 'new Date(' + (isNaN(x.valueOf()) ? recur(NaN) : _quote(_toISOString(x))) + ')';
case '[object Null]':
return 'null';
case '[object Number]':
return typeof x === 'object' ? 'new Number(' + recur(x.valueOf()) + ')' : 1 / x === -Infinity ? '-0' : x.toString(10);
case '[object String]':
return typeof x === 'object' ? 'new String(' + recur(x.valueOf()) + ')' : _quote(x);
case '[object Undefined]':
return 'undefined';
default:
if (typeof x.toString === 'function') {
var repr = x.toString();
if (repr !== '[object Object]') {
return repr;
}
}
return '{' + mapPairs(x, keys(x)).join(', ') + '}';
}
};
/**
* Performs right-to-left function composition. The rightmost function may have
* any arity; the remaining functions must be unary.
*
* **Note:** The result of compose is not automatically curried.
*
* @func
* @memberOf R
* @since v0.1.0
* @category Function
* @sig ((y -> z), (x -> y), ..., (o -> p), ((a, b, ..., n) -> o)) -> ((a, b, ..., n) -> z)
* @param {...Function} functions
* @return {Function}
* @see R.pipe
* @example
*
* var f = R.compose(R.inc, R.negate, Math.pow);
*
* f(3, 4); // -(3^4) + 1
*/
var compose = function compose() {
if (arguments.length === 0) {
throw new Error('compose requires at least one argument');
}
return pipe.apply(this, reverse(arguments));
};
/**
* Returns the right-to-left Kleisli composition of the provided functions,
* each of which must return a value of a type supported by [`chain`](#chain).
*
* `R.composeK(h, g, f)` is equivalent to `R.compose(R.chain(h), R.chain(g), R.chain(f))`.
*
* @func
* @memberOf R
* @since v0.16.0
* @category Function
* @sig Chain m => ((y -> m z), (x -> m y), ..., (a -> m b)) -> (m a -> m z)
* @param {...Function}
* @return {Function}
* @see R.pipeK
* @example
*
* // parseJson :: String -> Maybe *
* // get :: String -> Object -> Maybe *
*
* // getStateCode :: Maybe String -> Maybe String
* var getStateCode = R.composeK(
* R.compose(Maybe.of, R.toUpper),
* get('state'),
* get('address'),
* get('user'),
* parseJson
* );
*
* getStateCode(Maybe.of('{"user":{"address":{"state":"ny"}}}'));
* //=> Just('NY')
* getStateCode(Maybe.of('[Invalid JSON]'));
* //=> Nothing()
*/
var composeK = function composeK() {
return compose.apply(this, prepend(identity, map(chain, arguments)));
};
/**
* Performs right-to-left composition of one or more Promise-returning
* functions. The rightmost function may have any arity; the remaining
* functions must be unary.
*
* @func
* @memberOf R
* @since v0.10.0
* @category Function
* @sig ((y -> Promise z), (x -> Promise y), ..., (a -> Promise b)) -> (a -> Promise z)
* @param {...Function} functions
* @return {Function}
* @see R.pipeP
* @example
*
* // followersForUser :: String -> Promise [User]
* var followersForUser = R.composeP(db.getFollowers, db.getUserById);
*/
var composeP = function composeP() {
if (arguments.length === 0) {
throw new Error('composeP requires at least one argument');
}
return pipeP.apply(this, reverse(arguments));
};
/**
* Wraps a constructor function inside a curried function that can be called
* with the same arguments and returns the same type.
*
* @func
* @memberOf R
* @since v0.1.0
* @category Function
* @sig (* -> {*}) -> (* -> {*})
* @param {Function} Fn The constructor function to wrap.
* @return {Function} A wrapped, curried constructor function.
* @example
*
* // Constructor function
* var Widget = config => {
* // ...
* };
* Widget.prototype = {
* // ...
* };
* var allConfigs = [
* // ...
* ];
* R.map(R.construct(Widget), allConfigs); // a list of Widgets
*/
var construct = _curry1(function construct(Fn) {
return constructN(Fn.length, Fn);
});
/**
* Returns `true` if the specified value is equal, in `R.equals` terms, to at
* least one element of the given list; `false` otherwise.
*
* @func
* @memberOf R
* @since v0.1.0
* @category List
* @sig a -> [a] -> Boolean
* @param {Object} a The item to compare against.
* @param {Array} list The array to consider.
* @return {Boolean} `true` if the item is in the list, `false` otherwise.
* @see R.any
* @example
*
* R.contains(3, [1, 2, 3]); //=> true
* R.contains(4, [1, 2, 3]); //=> false
* R.contains([42], [[42]]); //=> true
*/
var contains = _curry2(_contains);
/**
* Finds the set (i.e. no duplicates) of all elements in the first list not
* contained in the second list.
*
* @func
* @memberOf R
* @since v0.1.0
* @category Relation
* @sig [*] -> [*] -> [*]
* @param {Array} list1 The first list.
* @param {Array} list2 The second list.
* @return {Array} The elements in `list1` that are not in `list2`.
* @see R.differenceWith, R.symmetricDifference, R.symmetricDifferenceWith
* @example
*
* R.difference([1,2,3,4], [7,6,5,4,3]); //=> [1,2]
* R.difference([7,6,5,4,3], [1,2,3,4]); //=> [7,6,5]
*/
var difference = _curry2(function difference(first, second) {
var out = [];
var idx = 0;
var firstLen = first.length;
while (idx < firstLen) {
if (!_contains(first[idx], second) && !_contains(first[idx], out)) {
out[out.length] = first[idx];
}
idx += 1;
}
return out;
});
/**
* Returns a new list without any consecutively repeating elements. `R.equals`
* is used to determine equality.
*
* Dispatches to the `dropRepeats` method of the first argument, if present.
*
* Acts as a transducer if a transformer is given in list position.
*
* @func
* @memberOf R
* @since v0.14.0
* @category List
* @sig [a] -> [a]
* @param {Array} list The array to consider.
* @return {Array} `list` without repeating elements.
* @see R.transduce
* @example
*
* R.dropRepeats([1, 1, 1, 2, 3, 4, 4, 2, 2]); //=> [1, 2, 3, 4, 2]
*/
var dropRepeats = _curry1(_dispatchable('dropRepeats', _xdropRepeatsWith(equals), dropRepeatsWith(equals)));
/**
* "lifts" a function of arity > 1 so that it may "map over" a list, Function or other
* object that satisfies the [FantasyLand Apply spec](https://github.com/fantasyland/fantasy-land#apply).
*
* @func
* @memberOf R
* @since v0.7.0
* @category Function
* @sig (*... -> *) -> ([*]... -> [*])
* @param {Function} fn The function to lift into higher context
* @return {Function} The lifted function.
* @see R.liftN
* @example
*
* var madd3 = R.lift(R.curry((a, b, c) => a + b + c));
*
* madd3([1,2,3], [1,2,3], [1]); //=> [3, 4, 5, 4, 5, 6, 5, 6, 7]
*
* var madd5 = R.lift(R.curry((a, b, c, d, e) => a + b + c + d + e));
*
* madd5([1,2], [3], [4, 5], [6], [7, 8]); //=> [21, 22, 22, 23, 22, 23, 23, 24]
*/
var lift = _curry1(function lift(fn) {
return liftN(fn.length, fn);
});
/**
* Returns a partial copy of an object omitting the keys specified.
*
* @func
* @memberOf R
* @since v0.1.0
* @category Object
* @sig [String] -> {String: *} -> {String: *}
* @param {Array} names an array of String property names to omit from the new object
* @param {Object} obj The object to copy from
* @return {Object} A new object with properties from `names` not on it.
* @see R.pick
* @example
*
* R.omit(['a', 'd'], {a: 1, b: 2, c: 3, d: 4}); //=> {b: 2, c: 3}
*/
var omit = _curry2(function omit(names, obj) {
var result = {};
for (var prop in obj) {
if (!_contains(prop, names)) {
result[prop] = obj[prop];
}
}
return result;
});
/**
* Returns the left-to-right Kleisli composition of the provided functions,
* each of which must return a value of a type supported by [`chain`](#chain).
*
* `R.pipeK(f, g, h)` is equivalent to `R.pipe(R.chain(f), R.chain(g), R.chain(h))`.
*
* @func
* @memberOf R
* @since v0.16.0
* @category Function
* @sig Chain m => ((a -> m b), (b -> m c), ..., (y -> m z)) -> (m a -> m z)
* @param {...Function}
* @return {Function}
* @see R.composeK
* @example
*
* // parseJson :: String -> Maybe *
* // get :: String -> Object -> Maybe *
*
* // getStateCode :: Maybe String -> Maybe String
* var getStateCode = R.pipeK(
* parseJson,
* get('user'),
* get('address'),
* get('state'),
* R.compose(Maybe.of, R.toUpper)
* );
*
* getStateCode(Maybe.of('{"user":{"address":{"state":"ny"}}}'));
* //=> Just('NY')
* getStateCode(Maybe.of('[Invalid JSON]'));
* //=> Nothing()
*/
var pipeK = function pipeK() {
return composeK.apply(this, reverse(arguments));
};
/**
* Returns the string representation of the given value. `eval`'ing the output
* should result in a value equivalent to the input value. Many of the built-in
* `toString` methods do not satisfy this requirement.
*
* If the given value is an `[object Object]` with a `toString` method other
* than `Object.prototype.toString`, this method is invoked with no arguments
* to produce the return value. This means user-defined constructor functions
* can provide a suitable `toString` method. For example:
*
* function Point(x, y) {
* this.x = x;
* this.y = y;
* }
*
* Point.prototype.toString = function() {
* return 'new Point(' + this.x + ', ' + this.y + ')';
* };
*
* R.toString(new Point(1, 2)); //=> 'new Point(1, 2)'
*
* @func
* @memberOf R
* @since v0.14.0
* @category String
* @sig * -> String
* @param {*} val
* @return {String}
* @example
*
* R.toString(42); //=> '42'
* R.toString('abc'); //=> '"abc"'
* R.toString([1, 2, 3]); //=> '[1, 2, 3]'
* R.toString({foo: 1, bar: 2, baz: 3}); //=> '{"bar": 2, "baz": 3, "foo": 1}'
* R.toString(new Date('2001-02-03T04:05:06Z')); //=> 'new Date("2001-02-03T04:05:06.000Z")'
*/
var toString = _curry1(function toString(val) {
return _toString(val, []);
});
/**
* Returns a new list without values in the first argument.
* `R.equals` is used to determine equality.
*
* Acts as a transducer if a transformer is given in list position.
*
* @func
* @memberOf R
* @since v0.19.0
* @category List
* @sig [a] -> [a] -> [a]
* @param {Array} list1 The values to be removed from `list2`.
* @param {Array} list2 The array to remove values from.
* @return {Array} The new array without values in `list1`.
* @see R.transduce
* @example
*
* R.without([1, 2], [1, 2, 1, 3, 4]); //=> [3, 4]
*/
var without = _curry2(function (xs, list) {
return reject(flip(_contains)(xs), list);
});
// A simple Set type that honours R.equals semantics
/* globals Set */
// until we figure out why jsdoc chokes on this
// @param item The item to add to the Set
// @returns {boolean} true if the item did not exist prior, otherwise false
//
//
// @param item The item to check for existence in the Set
// @returns {boolean} true if the item exists in the Set, otherwise false
//
//
// Combines the logic for checking whether an item is a member of the set and
// for adding a new item to the set.
//
// @param item The item to check or add to the Set instance.
// @param shouldAdd If true, the item will be added to the set if it doesn't
// already exist.
// @param set The set instance to check or add to.
// @return {boolean} true if the item already existed, otherwise false.
//
// distinguish between +0 and -0
// these types can all utilise the native Set
// set._items['boolean'] holds a two element array
// representing [ falseExists, trueExists ]
// compare functions for reference equality
/* falls through */
// reduce the search size of heterogeneous sets by creating buckets
// for each type.
// scan through all previously applied items
var _Set = function () {
function _Set() {
/* globals Set */
this._nativeSet = typeof Set === 'function' ? new Set() : null;
this._items = {};
}
// until we figure out why jsdoc chokes on this
// @param item The item to add to the Set
// @returns {boolean} true if the item did not exist prior, otherwise false
//
_Set.prototype.add = function (item) {
return !hasOrAdd(item, true, this);
};
//
// @param item The item to check for existence in the Set
// @returns {boolean} true if the item exists in the Set, otherwise false
//
_Set.prototype.has = function (item) {
return hasOrAdd(item, false, this);
};
//
// Combines the logic for checking whether an item is a member of the set and
// for adding a new item to the set.
//
// @param item The item to check or add to the Set instance.
// @param shouldAdd If true, the item will be added to the set if it doesn't
// already exist.
// @param set The set instance to check or add to.
// @return {boolean} true if the item already existed, otherwise false.
//
function hasOrAdd(item, shouldAdd, set) {
var type = typeof item;
var prevSize, newSize;
switch (type) {
case 'string':
case 'number':
// distinguish between +0 and -0
if (item === 0 && 1 / item === -Infinity) {
if (set._items['-0']) {
return true;
} else {
if (shouldAdd) {
set._items['-0'] = true;
}
return false;
}
}
// these types can all utilise the native Set
if (set._nativeSet !== null) {
if (shouldAdd) {
prevSize = set._nativeSet.size;
set._nativeSet.add(item);
newSize = set._nativeSet.size;
return newSize === prevSize;
} else {
return set._nativeSet.has(item);
}
} else {
if (!(type in set._items)) {
if (shouldAdd) {
set._items[type] = {};
set._items[type][item] = true;
}
return false;
} else if (item in set._items[type]) {
return true;
} else {
if (shouldAdd) {
set._items[type][item] = true;
}
return false;
}
}
case 'boolean':
// set._items['boolean'] holds a two element array
// representing [ falseExists, trueExists ]
if (type in set._items) {
var bIdx = item ? 1 : 0;
if (set._items[type][bIdx]) {
return true;
} else {
if (shouldAdd) {
set._items[type][bIdx] = true;
}
return false;
}
} else {
if (shouldAdd) {
set._items[type] = item ? [
false,
true
] : [
true,
false
];
}
return false;
}
case 'function':
// compare functions for reference equality
if (set._nativeSet !== null) {
if (shouldAdd) {
prevSize = set._nativeSet.size;
set._nativeSet.add(item);
newSize = set._nativeSet.size;
return newSize > prevSize;
} else {
return set._nativeSet.has(item);
}
} else {
if (!(type in set._items)) {
if (shouldAdd) {
set._items[type] = [item];
}
return false;
}
if (!_contains(item, set._items[type])) {
if (shouldAdd) {
set._items[type].push(item);
}
return false;
}
return true;
}
case 'undefined':
if (set._items[type]) {
return true;
} else {
if (shouldAdd) {
set._items[type] = true;
}
return false;
}
case 'object':
if (item === null) {
if (!set._items['null']) {
if (shouldAdd) {
set._items['null'] = true;
}
return false;
}
return true;
}
/* falls through */
default:
// reduce the search size of heterogeneous sets by creating buckets
// for each type.
type = Object.prototype.toString.call(item);
if (!(type in set._items)) {
if (shouldAdd) {
set._items[type] = [item];
}
return false;
}
// scan through all previously applied items
if (!_contains(item, set._items[type])) {
if (shouldAdd) {
set._items[type].push(item);
}
return false;
}
return true;
}
}
return _Set;
}();
/**
* A function wrapping calls to the two functions in an `&&` operation,
* returning the result of the first function if it is false-y and the result
* of the second function otherwise. Note that this is short-circuited,
* meaning that the second function will not be invoked if the first returns a
* false-y value.
*
* In addition to functions, `R.both` also accepts any fantasy-land compatible
* applicative functor.
*
* @func
* @memberOf R
* @since v0.12.0
* @category Logic
* @sig (*... -> Boolean) -> (*... -> Boolean) -> (*... -> Boolean)
* @param {Function} f a predicate
* @param {Function} g another predicate
* @return {Function} a function that applies its arguments to `f` and `g` and `&&`s their outputs together.
* @see R.and
* @example
*
* var gt10 = x => x > 10;
* var even = x => x % 2 === 0;
* var f = R.both(gt10, even);
* f(100); //=> true
* f(101); //=> false
*/
var both = _curry2(function both(f, g) {
return _isFunction(f) ? function _both() {
return f.apply(this, arguments) && g.apply(this, arguments);
} : lift(and)(f, g);
});
/**
* Takes a function `f` and returns a function `g` such that:
*
* - applying `g` to zero or more arguments will give __true__ if applying
* the same arguments to `f` gives a logical __false__ value; and
*
* - applying `g` to zero or more arguments will give __false__ if applying
* the same arguments to `f` gives a logical __true__ value.
*
* `R.complement` will work on all other functors as well.
*
* @func
* @memberOf R
* @since v0.12.0
* @category Logic
* @sig (*... -> *) -> (*... -> Boolean)
* @param {Function} f
* @return {Function}
* @see R.not
* @example
*
* var isEven = n => n % 2 === 0;
* var isOdd = R.complement(isEven);
* isOdd(21); //=> true
* isOdd(42); //=> false
*/
var complement = lift(not);
/**
* Returns the result of concatenating the given lists or strings.
*
* Note: `R.concat` expects both arguments to be of the same type,
* unlike the native `Array.prototype.concat` method. It will throw
* an error if you `concat` an Array with a non-Array value.
*
* Dispatches to the `concat` method of the first argument, if present.
*
* @func
* @memberOf R
* @since v0.1.0
* @category List
* @sig [a] -> [a] -> [a]
* @sig String -> String -> String
* @param {Array|String} a
* @param {Array|String} b
* @return {Array|String}
*
* @example
*
* R.concat([], []); //=> []
* R.concat([4, 5, 6], [1, 2, 3]); //=> [4, 5, 6, 1, 2, 3]
* R.concat('ABC', 'DEF'); // 'ABCDEF'
*/
var concat = _curry2(function concat(a, b) {
if (a == null || !_isFunction(a.concat)) {
throw new TypeError(toString(a) + ' does not have a method named "concat"');
}
if (_isArray(a) && !_isArray(b)) {
throw new TypeError(toString(b) + ' is not an array');
}
return a.concat(b);
});
/**
* A function wrapping calls to the two functions in an `||` operation,
* returning the result of the first function if it is truth-y and the result
* of the second function otherwise. Note that this is short-circuited,
* meaning that the second function will not be invoked if the first returns a
* truth-y value.
*
* In addition to functions, `R.either` also accepts any fantasy-land compatible
* applicative functor.
*
* @func
* @memberOf R
* @since v0.12.0
* @category Logic
* @sig (*... -> Boolean) -> (*... -> Boolean) -> (*... -> Boolean)
* @param {Function} f a predicate
* @param {Function} g another predicate
* @return {Function} a function that applies its arguments to `f` and `g` and `||`s their outputs together.
* @see R.or
* @example
*
* var gt10 = x => x > 10;
* var even = x => x % 2 === 0;
* var f = R.either(gt10, even);
* f(101); //=> true
* f(8); //=> true
*/
var either = _curry2(function either(f, g) {
return _isFunction(f) ? function _either() {
return f.apply(this, arguments) || g.apply(this, arguments);
} : lift(or)(f, g);
});
/**
* Turns a named method with a specified arity into a function that can be
* called directly supplied with arguments and a target object.
*
* The returned function is curried and accepts `arity + 1` parameters where
* the final parameter is the target object.
*
* @func
* @memberOf R
* @since v0.1.0
* @category Function
* @sig Number -> String -> (a -> b -> ... -> n -> Object -> *)
* @param {Number} arity Number of arguments the returned function should take
* before the target object.
* @param {String} method Name of the method to call.
* @return {Function} A new curried function.
* @example
*
* var sliceFrom = R.invoker(1, 'slice');
* sliceFrom(6, 'abcdefghijklm'); //=> 'ghijklm'
* var sliceFrom6 = R.invoker(2, 'slice')(6);
* sliceFrom6(8, 'abcdefghijklm'); //=> 'gh'
*/
var invoker = _curry2(function invoker(arity, method) {
return curryN(arity + 1, function () {
var target = arguments[arity];
if (target != null && _isFunction(target[method])) {
return target[method].apply(target, _slice(arguments, 0, arity));
}
throw new TypeError(toString(target) + ' does not have a method named "' + method + '"');
});
});
/**
* Returns a string made by inserting the `separator` between each element and
* concatenating all the elements into a single string.
*
* @func
* @memberOf R
* @since v0.1.0
* @category List
* @sig String -> [a] -> String
* @param {Number|String} separator The string used to separate the elements.
* @param {Array} xs The elements to join into a string.
* @return {String} str The string made by concatenating `xs` with `separator`.
* @see R.split
* @example
*
* var spacer = R.join(' ');
* spacer(['a', 2, 3.4]); //=> 'a 2 3.4'
* R.join('|', [1, 2, 3]); //=> '1|2|3'
*/
var join = invoker(1, 'join');
/**
* Creates a new function that, when invoked, caches the result of calling `fn`
* for a given argument set and returns the result. Subsequent calls to the
* memoized `fn` with the same argument set will not result in an additional
* call to `fn`; instead, the cached result for that set of arguments will be
* returned.
*
* @func
* @memberOf R
* @since v0.1.0
* @category Function
* @sig (*... -> a) -> (*... -> a)
* @param {Function} fn The function to memoize.
* @return {Function} Memoized version of `fn`.
* @example
*
* var count = 0;
* var factorial = R.memoize(n => {
* count += 1;
* return R.product(R.range(1, n + 1));
* });
* factorial(5); //=> 120
* factorial(5); //=> 120
* factorial(5); //=> 120
* count; //=> 1
*/
var memoize = _curry1(function memoize(fn) {
var cache = {};
return _arity(fn.length, function () {
var key = toString(arguments);
if (!_has(key, cache)) {
cache[key] = fn.apply(this, arguments);
}
return cache[key];
});
});
/**
* Splits a string into an array of strings based on the given
* separator.
*
* @func
* @memberOf R
* @since v0.1.0
* @category String
* @sig (String | RegExp) -> String -> [String]
* @param {String|RegExp} sep The pattern.
* @param {String} str The string to separate into an array.
* @return {Array} The array of strings from `str` separated by `str`.
* @see R.join
* @example
*
* var pathComponents = R.split('/');
* R.tail(pathComponents('/usr/local/bin/node')); //=> ['usr', 'local', 'bin', 'node']
*
* R.split('.', 'a.b.c.xyz.d'); //=> ['a', 'b', 'c', 'xyz', 'd']
*/
var split = invoker(1, 'split');
/**
* Finds the set (i.e. no duplicates) of all elements contained in the first or
* second list, but not both.
*
* @func
* @memberOf R
* @since v0.19.0
* @category Relation
* @sig [*] -> [*] -> [*]
* @param {Array} list1 The first list.
* @param {Array} list2 The second list.
* @return {Array} The elements in `list1` or `list2`, but not both.
* @see R.symmetricDifferenceWith, R.difference, R.differenceWith
* @example
*
* R.symmetricDifference([1,2,3,4], [7,6,5,4,3]); //=> [1,2,7,6,5]
* R.symmetricDifference([7,6,5,4,3], [1,2,3,4]); //=> [7,6,5,1,2]
*/
var symmetricDifference = _curry2(function symmetricDifference(list1, list2) {
return concat(difference(list1, list2), difference(list2, list1));
});
/**
* Finds the set (i.e. no duplicates) of all elements contained in the first or
* second list, but not both. Duplication is determined according to the value
* returned by applying the supplied predicate to two list elements.
*
* @func
* @memberOf R
* @since v0.19.0
* @category Relation
* @sig (a -> a -> Boolean) -> [a] -> [a] -> [a]
* @param {Function} pred A predicate used to test whether two items are equal.
* @param {Array} list1 The first list.
* @param {Array} list2 The second list.
* @return {Array} The elements in `list1` or `list2`, but not both.
* @see R.symmetricDifference, R.difference, R.differenceWith
* @example
*
* var eqA = R.eqBy(R.prop('a'));
* var l1 = [{a: 1}, {a: 2}, {a: 3}, {a: 4}];
* var l2 = [{a: 3}, {a: 4}, {a: 5}, {a: 6}];
* R.symmetricDifferenceWith(eqA, l1, l2); //=> [{a: 1}, {a: 2}, {a: 5}, {a: 6}]
*/
var symmetricDifferenceWith = _curry3(function symmetricDifferenceWith(pred, list1, list2) {
return concat(differenceWith(pred, list1, list2), differenceWith(pred, list2, list1));
});
/**
* Determines whether a given string matches a given regular expression.
*
* @func
* @memberOf R
* @since v0.12.0
* @category String
* @sig RegExp -> String -> Boolean
* @param {RegExp} pattern
* @param {String} str
* @return {Boolean}
* @see R.match
* @example
*
* R.test(/^x/, 'xyz'); //=> true
* R.test(/^y/, 'xyz'); //=> false
*/
var test = _curry2(function test(pattern, str) {
if (!_isRegExp(pattern)) {
throw new TypeError('\u2018test\u2019 requires a value of type RegExp as its first argument; received ' + toString(pattern));
}
return _cloneRegExp(pattern).test(str);
});
/**
* The lower case version of a string.
*
* @func
* @memberOf R
* @since v0.9.0
* @category String
* @sig String -> String
* @param {String} str The string to lower case.
* @return {String} The lower case version of `str`.
* @see R.toUpper
* @example
*
* R.toLower('XYZ'); //=> 'xyz'
*/
var toLower = invoker(0, 'toLowerCase');
/**
* The upper case version of a string.
*
* @func
* @memberOf R
* @since v0.9.0
* @category String
* @sig String -> String
* @param {String} str The string to upper case.
* @return {String} The upper case version of `str`.
* @see R.toLower
* @example
*
* R.toUpper('abc'); //=> 'ABC'
*/
var toUpper = invoker(0, 'toUpperCase');
/**
* Returns a new list containing only one copy of each element in the original
* list, based upon the value returned by applying the supplied function to
* each list element. Prefers the first item if the supplied function produces
* the same value on two items. `R.equals` is used for comparison.
*
* @func
* @memberOf R
* @since v0.16.0
* @category List
* @sig (a -> b) -> [a] -> [a]
* @param {Function} fn A function used to produce a value to use during comparisons.
* @param {Array} list The array to consider.
* @return {Array} The list of unique items.
* @example
*
* R.uniqBy(Math.abs, [-1, -5, 2, 10, 1, 2]); //=> [-1, -5, 2, 10]
*/
var uniqBy = _curry2(function uniqBy(fn, list) {
var set = new _Set();
var result = [];
var idx = 0;
var appliedItem, item;
while (idx < list.length) {
item = list[idx];
appliedItem = fn(item);
if (set.add(appliedItem)) {
result.push(item);
}
idx += 1;
}
return result;
});
/**
* Returns a new list containing only one copy of each element in the original
* list. `R.equals` is used to determine equality.
*
* @func
* @memberOf R
* @since v0.1.0
* @category List
* @sig [a] -> [a]
* @param {Array} list The array to consider.
* @return {Array} The list of unique items.
* @example
*
* R.uniq([1, 1, 2, 1]); //=> [1, 2]
* R.uniq([1, '1']); //=> [1, '1']
* R.uniq([[42], [42]]); //=> [[42]]
*/
var uniq = uniqBy(identity);
/**
* Combines two lists into a set (i.e. no duplicates) composed of those
* elements common to both lists.
*
* @func
* @memberOf R
* @since v0.1.0
* @category Relation
* @sig [*] -> [*] -> [*]
* @param {Array} list1 The first list.
* @param {Array} list2 The second list.
* @return {Array} The list of elements found in both `list1` and `list2`.
* @see R.intersectionWith
* @example
*
* R.intersection([1,2,3,4], [7,6,5,4,3]); //=> [4, 3]
*/
var intersection = _curry2(function intersection(list1, list2) {
var lookupList, filteredList;
if (list1.length > list2.length) {
lookupList = list1;
filteredList = list2;
} else {
lookupList = list2;
filteredList = list1;
}
return uniq(_filter(flip(_contains)(lookupList), filteredList));
});
/**
* Combines two lists into a set (i.e. no duplicates) composed of the elements
* of each list.
*
* @func
* @memberOf R
* @since v0.1.0
* @category Relation
* @sig [*] -> [*] -> [*]
* @param {Array} as The first list.
* @param {Array} bs The second list.
* @return {Array} The first and second lists concatenated, with
* duplicates removed.
* @example
*
* R.union([1, 2, 3], [2, 3, 4]); //=> [1, 2, 3, 4]
*/
var union = _curry2(compose(uniq, _concat));
var R = {
F: F,
T: T,
__: __,
add: add,
addIndex: addIndex,
adjust: adjust,
all: all,
allPass: allPass,
always: always,
and: and,
any: any,
anyPass: anyPass,
ap: ap,
aperture: aperture,
append: append,
apply: apply,
applySpec: applySpec,
assoc: assoc,
assocPath: assocPath,
binary: binary,
bind: bind,
both: both,
call: call,
chain: chain,
clamp: clamp,
clone: clone,
comparator: comparator,
complement: complement,
compose: compose,
composeK: composeK,
composeP: composeP,
concat: concat,
cond: cond,
construct: construct,
constructN: constructN,
contains: contains,
converge: converge,
countBy: countBy,
curry: curry,
curryN: curryN,
dec: dec,
defaultTo: defaultTo,
difference: difference,
differenceWith: differenceWith,
dissoc: dissoc,
dissocPath: dissocPath,
divide: divide,
drop: drop,
dropLast: dropLast,
dropLastWhile: dropLastWhile,
dropRepeats: dropRepeats,
dropRepeatsWith: dropRepeatsWith,
dropWhile: dropWhile,
either: either,
empty: empty,
eqBy: eqBy,
eqProps: eqProps,
equals: equals,
evolve: evolve,
filter: filter,
find: find,
findIndex: findIndex,
findLast: findLast,
findLastIndex: findLastIndex,
flatten: flatten,
flip: flip,
forEach: forEach,
fromPairs: fromPairs,
groupBy: groupBy,
groupWith: groupWith,
gt: gt,
gte: gte,
has: has,
hasIn: hasIn,
head: head,
identical: identical,
identity: identity,
ifElse: ifElse,
inc: inc,
indexBy: indexBy,
indexOf: indexOf,
init: init,
insert: insert,
insertAll: insertAll,
intersection: intersection,
intersectionWith: intersectionWith,
intersperse: intersperse,
into: into,
invert: invert,
invertObj: invertObj,
invoker: invoker,
is: is,
isArrayLike: isArrayLike,
isEmpty: isEmpty,
isNil: isNil,
join: join,
juxt: juxt,
keys: keys,
keysIn: keysIn,
last: last,
lastIndexOf: lastIndexOf,
length: length,
lens: lens,
lensIndex: lensIndex,
lensPath: lensPath,
lensProp: lensProp,
lift: lift,
liftN: liftN,
lt: lt,
lte: lte,
map: map,
mapAccum: mapAccum,
mapAccumRight: mapAccumRight,
mapObjIndexed: mapObjIndexed,
match: match,
mathMod: mathMod,
max: max,
maxBy: maxBy,
mean: mean,
median: median,
memoize: memoize,
merge: merge,
mergeAll: mergeAll,
mergeWith: mergeWith,
mergeWithKey: mergeWithKey,
min: min,
minBy: minBy,
modulo: modulo,
multiply: multiply,
nAry: nAry,
negate: negate,
none: none,
not: not,
nth: nth,
nthArg: nthArg,
objOf: objOf,
of: of,
omit: omit,
once: once,
or: or,
over: over,
pair: pair,
partial: partial,
partialRight: partialRight,
partition: partition,
path: path,
pathEq: pathEq,
pathOr: pathOr,
pathSatisfies: pathSatisfies,
pick: pick,
pickAll: pickAll,
pickBy: pickBy,
pipe: pipe,
pipeK: pipeK,
pipeP: pipeP,
pluck: pluck,
prepend: prepend,
product: product,
project: project,
prop: prop,
propEq: propEq,
propIs: propIs,
propOr: propOr,
propSatisfies: propSatisfies,
props: props,
range: range,
reduce: reduce,
reduceBy: reduceBy,
reduceRight: reduceRight,
reduceWhile: reduceWhile,
reduced: reduced,
reject: reject,
remove: remove,
repeat: repeat,
replace: replace,
reverse: reverse,
scan: scan,
sequence: sequence,
set: set,
slice: slice,
sort: sort,
sortBy: sortBy,
split: split,
splitAt: splitAt,
splitEvery: splitEvery,
splitWhen: splitWhen,
subtract: subtract,
sum: sum,
symmetricDifference: symmetricDifference,
symmetricDifferenceWith: symmetricDifferenceWith,
tail: tail,
take: take,
takeLast: takeLast,
takeLastWhile: takeLastWhile,
takeWhile: takeWhile,
tap: tap,
test: test,
times: times,
toLower: toLower,
toPairs: toPairs,
toPairsIn: toPairsIn,
toString: toString,
toUpper: toUpper,
transduce: transduce,
transpose: transpose,
traverse: traverse,
trim: trim,
tryCatch: tryCatch,
type: type,
unapply: unapply,
unary: unary,
uncurryN: uncurryN,
unfold: unfold,
union: union,
unionWith: unionWith,
uniq: uniq,
uniqBy: uniqBy,
uniqWith: uniqWith,
unless: unless,
unnest: unnest,
until: until,
update: update,
useWith: useWith,
values: values,
valuesIn: valuesIn,
view: view,
when: when,
where: where,
whereEq: whereEq,
without: without,
wrap: wrap,
xprod: xprod,
zip: zip,
zipObj: zipObj,
zipWith: zipWith
};
/* eslint-env amd */
/* TEST_ENTRY_POINT */
if (typeof exports === 'object') {
module.exports = R;
} else if (typeof define === 'function' && define.amd) {
define(function() { return R; });
} else {
this.R = R;
}
}.call(this));
},{}]},{},[])
//# 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e(t,n,r){function s(o,u){if(!n[o]){if(!t[o]){var a=typeof require==\"function\"&&require;if(!u&&a)return a(o,!0);if(i)return i(o,!0);var f=new Error(\"Cannot find module '\"+o+\"'\");throw f.code=\"MODULE_NOT_FOUND\",f}var l=n[o]={exports:{}};t[o][0].call(l.exports,function(e){var n=t[o][1][e];return s(n?n:e)},l,l.exports,e,t,n,r)}return n[o].exports}var i=typeof require==\"function\"&&require;for(var o=0;o<r.length;o++)s(r[o]);return s})","//  Ramda v0.22.1\n//  https://github.com/ramda/ramda\n//  (c) 2013-2016 Scott Sauyet, Michael Hurley, and David Chambers\n//  Ramda may be freely distributed under the MIT license.\n\n;(function() {\n\n  'use strict';\n\n  /**\n     * A special placeholder value used to specify \"gaps\" within curried functions,\n     * allowing partial application of any combination of arguments, regardless of\n     * their positions.\n     *\n     * If `g` is a curried ternary function and `_` is `R.__`, the following are\n     * equivalent:\n     *\n     *   - `g(1, 2, 3)`\n     *   - `g(_, 2, 3)(1)`\n     *   - `g(_, _, 3)(1)(2)`\n     *   - `g(_, _, 3)(1, 2)`\n     *   - `g(_, 2, _)(1, 3)`\n     *   - `g(_, 2)(1)(3)`\n     *   - `g(_, 2)(1, 3)`\n     *   - `g(_, 2)(_, 3)(1)`\n     *\n     * @constant\n     * @memberOf R\n     * @since v0.6.0\n     * @category Function\n     * @example\n     *\n     *      var greet = R.replace('{name}', R.__, 'Hello, {name}!');\n     *      greet('Alice'); //=> 'Hello, Alice!'\n     */\n    var __ = { '@@functional/placeholder': true };\n\n    /* eslint-disable no-unused-vars */\n    var _arity = function _arity(n, fn) {\n        /* eslint-disable no-unused-vars */\n        switch (n) {\n        case 0:\n            return function () {\n                return fn.apply(this, arguments);\n            };\n        case 1:\n            return function (a0) {\n                return fn.apply(this, arguments);\n            };\n        case 2:\n            return function (a0, a1) {\n                return fn.apply(this, arguments);\n            };\n        case 3:\n            return function (a0, a1, a2) {\n                return fn.apply(this, arguments);\n            };\n        case 4:\n            return function (a0, a1, a2, a3) {\n                return fn.apply(this, arguments);\n            };\n        case 5:\n            return function (a0, a1, a2, a3, a4) {\n                return fn.apply(this, arguments);\n            };\n        case 6:\n            return function (a0, a1, a2, a3, a4, a5) {\n                return fn.apply(this, arguments);\n            };\n        case 7:\n            return function (a0, a1, a2, a3, a4, a5, a6) {\n                return fn.apply(this, arguments);\n            };\n        case 8:\n            return function (a0, a1, a2, a3, a4, a5, a6, a7) {\n                return fn.apply(this, arguments);\n            };\n        case 9:\n            return function (a0, a1, a2, a3, a4, a5, a6, a7, a8) {\n                return fn.apply(this, arguments);\n            };\n        case 10:\n            return function (a0, a1, a2, a3, a4, a5, a6, a7, a8, a9) {\n                return fn.apply(this, arguments);\n            };\n        default:\n            throw new Error('First argument to _arity must be a non-negative integer no greater than ten');\n        }\n    };\n\n    var _arrayFromIterator = function _arrayFromIterator(iter) {\n        var list = [];\n        var next;\n        while (!(next = iter.next()).done) {\n            list.push(next.value);\n        }\n        return list;\n    };\n\n    var _arrayOf = function _arrayOf() {\n        return Array.prototype.slice.call(arguments);\n    };\n\n    var _cloneRegExp = function _cloneRegExp(pattern) {\n        return new RegExp(pattern.source, (pattern.global ? 'g' : '') + (pattern.ignoreCase ? 'i' : '') + (pattern.multiline ? 'm' : '') + (pattern.sticky ? 'y' : '') + (pattern.unicode ? 'u' : ''));\n    };\n\n    var _complement = function _complement(f) {\n        return function () {\n            return !f.apply(this, arguments);\n        };\n    };\n\n    /**\n     * Private `concat` function to merge two array-like objects.\n     *\n     * @private\n     * @param {Array|Arguments} [set1=[]] An array-like object.\n     * @param {Array|Arguments} [set2=[]] An array-like object.\n     * @return {Array} A new, merged array.\n     * @example\n     *\n     *      _concat([4, 5, 6], [1, 2, 3]); //=> [4, 5, 6, 1, 2, 3]\n     */\n    var _concat = function _concat(set1, set2) {\n        set1 = set1 || [];\n        set2 = set2 || [];\n        var idx;\n        var len1 = set1.length;\n        var len2 = set2.length;\n        var result = [];\n        idx = 0;\n        while (idx < len1) {\n            result[result.length] = set1[idx];\n            idx += 1;\n        }\n        idx = 0;\n        while (idx < len2) {\n            result[result.length] = set2[idx];\n            idx += 1;\n        }\n        return result;\n    };\n\n    var _containsWith = function _containsWith(pred, x, list) {\n        var idx = 0;\n        var len = list.length;\n        while (idx < len) {\n            if (pred(x, list[idx])) {\n                return true;\n            }\n            idx += 1;\n        }\n        return false;\n    };\n\n    var _filter = function _filter(fn, list) {\n        var idx = 0;\n        var len = list.length;\n        var result = [];\n        while (idx < len) {\n            if (fn(list[idx])) {\n                result[result.length] = list[idx];\n            }\n            idx += 1;\n        }\n        return result;\n    };\n\n    var _forceReduced = function _forceReduced(x) {\n        return {\n            '@@transducer/value': x,\n            '@@transducer/reduced': true\n        };\n    };\n\n    // String(x => x) evaluates to \"x => x\", so the pattern may not match.\n    var _functionName = function _functionName(f) {\n        // String(x => x) evaluates to \"x => x\", so the pattern may not match.\n        var match = String(f).match(/^function (\\w*)/);\n        return match == null ? '' : match[1];\n    };\n\n    var _has = function _has(prop, obj) {\n        return Object.prototype.hasOwnProperty.call(obj, prop);\n    };\n\n    var _identity = function _identity(x) {\n        return x;\n    };\n\n    var _isArguments = function () {\n        var toString = Object.prototype.toString;\n        return toString.call(arguments) === '[object Arguments]' ? function _isArguments(x) {\n            return toString.call(x) === '[object Arguments]';\n        } : function _isArguments(x) {\n            return _has('callee', x);\n        };\n    }();\n\n    /**\n     * Tests whether or not an object is an array.\n     *\n     * @private\n     * @param {*} val The object to test.\n     * @return {Boolean} `true` if `val` is an array, `false` otherwise.\n     * @example\n     *\n     *      _isArray([]); //=> true\n     *      _isArray(null); //=> false\n     *      _isArray({}); //=> false\n     */\n    var _isArray = Array.isArray || function _isArray(val) {\n        return val != null && val.length >= 0 && Object.prototype.toString.call(val) === '[object Array]';\n    };\n\n    var _isFunction = function _isFunction(x) {\n        return Object.prototype.toString.call(x) === '[object Function]';\n    };\n\n    /**\n     * Determine if the passed argument is an integer.\n     *\n     * @private\n     * @param {*} n\n     * @category Type\n     * @return {Boolean}\n     */\n    var _isInteger = Number.isInteger || function _isInteger(n) {\n        return n << 0 === n;\n    };\n\n    var _isNumber = function _isNumber(x) {\n        return Object.prototype.toString.call(x) === '[object Number]';\n    };\n\n    var _isObject = function _isObject(x) {\n        return Object.prototype.toString.call(x) === '[object Object]';\n    };\n\n    var _isPlaceholder = function _isPlaceholder(a) {\n        return a != null && typeof a === 'object' && a['@@functional/placeholder'] === true;\n    };\n\n    var _isRegExp = function _isRegExp(x) {\n        return Object.prototype.toString.call(x) === '[object RegExp]';\n    };\n\n    var _isString = function _isString(x) {\n        return Object.prototype.toString.call(x) === '[object String]';\n    };\n\n    var _isTransformer = function _isTransformer(obj) {\n        return typeof obj['@@transducer/step'] === 'function';\n    };\n\n    var _map = function _map(fn, functor) {\n        var idx = 0;\n        var len = functor.length;\n        var result = Array(len);\n        while (idx < len) {\n            result[idx] = fn(functor[idx]);\n            idx += 1;\n        }\n        return result;\n    };\n\n    // Based on https://developer.mozilla.org/en/docs/Web/JavaScript/Reference/Global_Objects/Object/assign\n    var _objectAssign = function _objectAssign(target) {\n        if (target == null) {\n            throw new TypeError('Cannot convert undefined or null to object');\n        }\n        var output = Object(target);\n        var idx = 1;\n        var length = arguments.length;\n        while (idx < length) {\n            var source = arguments[idx];\n            if (source != null) {\n                for (var nextKey in source) {\n                    if (_has(nextKey, source)) {\n                        output[nextKey] = source[nextKey];\n                    }\n                }\n            }\n            idx += 1;\n        }\n        return output;\n    };\n\n    var _of = function _of(x) {\n        return [x];\n    };\n\n    var _pipe = function _pipe(f, g) {\n        return function () {\n            return g.call(this, f.apply(this, arguments));\n        };\n    };\n\n    var _pipeP = function _pipeP(f, g) {\n        return function () {\n            var ctx = this;\n            return f.apply(ctx, arguments).then(function (x) {\n                return g.call(ctx, x);\n            });\n        };\n    };\n\n    // \\b matches word boundary; [\\b] matches backspace\n    var _quote = function _quote(s) {\n        var escaped = s.replace(/\\\\/g, '\\\\\\\\').replace(/[\\b]/g, '\\\\b')    // \\b matches word boundary; [\\b] matches backspace\n    .replace(/\\f/g, '\\\\f').replace(/\\n/g, '\\\\n').replace(/\\r/g, '\\\\r').replace(/\\t/g, '\\\\t').replace(/\\v/g, '\\\\v').replace(/\\0/g, '\\\\0');\n        return '\"' + escaped.replace(/\"/g, '\\\\\"') + '\"';\n    };\n\n    var _reduced = function _reduced(x) {\n        return x && x['@@transducer/reduced'] ? x : {\n            '@@transducer/value': x,\n            '@@transducer/reduced': true\n        };\n    };\n\n    /**\n     * An optimized, private array `slice` implementation.\n     *\n     * @private\n     * @param {Arguments|Array} args The array or arguments object to consider.\n     * @param {Number} [from=0] The array index to slice from, inclusive.\n     * @param {Number} [to=args.length] The array index to slice to, exclusive.\n     * @return {Array} A new, sliced array.\n     * @example\n     *\n     *      _slice([1, 2, 3, 4, 5], 1, 3); //=> [2, 3]\n     *\n     *      var firstThreeArgs = function(a, b, c, d) {\n     *        return _slice(arguments, 0, 3);\n     *      };\n     *      firstThreeArgs(1, 2, 3, 4); //=> [1, 2, 3]\n     */\n    var _slice = function _slice(args, from, to) {\n        switch (arguments.length) {\n        case 1:\n            return _slice(args, 0, args.length);\n        case 2:\n            return _slice(args, from, args.length);\n        default:\n            var list = [];\n            var idx = 0;\n            var len = Math.max(0, Math.min(args.length, to) - from);\n            while (idx < len) {\n                list[idx] = args[from + idx];\n                idx += 1;\n            }\n            return list;\n        }\n    };\n\n    /**\n     * Polyfill from <https://developer.mozilla.org/en-US/docs/Web/JavaScript/Reference/Global_Objects/Date/toISOString>.\n     */\n    var _toISOString = function () {\n        var pad = function pad(n) {\n            return (n < 10 ? '0' : '') + n;\n        };\n        return typeof Date.prototype.toISOString === 'function' ? function _toISOString(d) {\n            return d.toISOString();\n        } : function _toISOString(d) {\n            return d.getUTCFullYear() + '-' + pad(d.getUTCMonth() + 1) + '-' + pad(d.getUTCDate()) + 'T' + pad(d.getUTCHours()) + ':' + pad(d.getUTCMinutes()) + ':' + pad(d.getUTCSeconds()) + '.' + (d.getUTCMilliseconds() / 1000).toFixed(3).slice(2, 5) + 'Z';\n        };\n    }();\n\n    var _xfBase = {\n        init: function () {\n            return this.xf['@@transducer/init']();\n        },\n        result: function (result) {\n            return this.xf['@@transducer/result'](result);\n        }\n    };\n\n    var _xwrap = function () {\n        function XWrap(fn) {\n            this.f = fn;\n        }\n        XWrap.prototype['@@transducer/init'] = function () {\n            throw new Error('init not implemented on XWrap');\n        };\n        XWrap.prototype['@@transducer/result'] = function (acc) {\n            return acc;\n        };\n        XWrap.prototype['@@transducer/step'] = function (acc, x) {\n            return this.f(acc, x);\n        };\n        return function _xwrap(fn) {\n            return new XWrap(fn);\n        };\n    }();\n\n    var _aperture = function _aperture(n, list) {\n        var idx = 0;\n        var limit = list.length - (n - 1);\n        var acc = new Array(limit >= 0 ? limit : 0);\n        while (idx < limit) {\n            acc[idx] = _slice(list, idx, idx + n);\n            idx += 1;\n        }\n        return acc;\n    };\n\n    var _assign = typeof Object.assign === 'function' ? Object.assign : _objectAssign;\n\n    /**\n     * Similar to hasMethod, this checks whether a function has a [methodname]\n     * function. If it isn't an array it will execute that function otherwise it\n     * will default to the ramda implementation.\n     *\n     * @private\n     * @param {Function} fn ramda implemtation\n     * @param {String} methodname property to check for a custom implementation\n     * @return {Object} Whatever the return value of the method is.\n     */\n    var _checkForMethod = function _checkForMethod(methodname, fn) {\n        return function () {\n            var length = arguments.length;\n            if (length === 0) {\n                return fn();\n            }\n            var obj = arguments[length - 1];\n            return _isArray(obj) || typeof obj[methodname] !== 'function' ? fn.apply(this, arguments) : obj[methodname].apply(obj, _slice(arguments, 0, length - 1));\n        };\n    };\n\n    /**\n     * Optimized internal one-arity curry function.\n     *\n     * @private\n     * @category Function\n     * @param {Function} fn The function to curry.\n     * @return {Function} The curried function.\n     */\n    var _curry1 = function _curry1(fn) {\n        return function f1(a) {\n            if (arguments.length === 0 || _isPlaceholder(a)) {\n                return f1;\n            } else {\n                return fn.apply(this, arguments);\n            }\n        };\n    };\n\n    /**\n     * Optimized internal two-arity curry function.\n     *\n     * @private\n     * @category Function\n     * @param {Function} fn The function to curry.\n     * @return {Function} The curried function.\n     */\n    var _curry2 = function _curry2(fn) {\n        return function f2(a, b) {\n            switch (arguments.length) {\n            case 0:\n                return f2;\n            case 1:\n                return _isPlaceholder(a) ? f2 : _curry1(function (_b) {\n                    return fn(a, _b);\n                });\n            default:\n                return _isPlaceholder(a) && _isPlaceholder(b) ? f2 : _isPlaceholder(a) ? _curry1(function (_a) {\n                    return fn(_a, b);\n                }) : _isPlaceholder(b) ? _curry1(function (_b) {\n                    return fn(a, _b);\n                }) : fn(a, b);\n            }\n        };\n    };\n\n    /**\n     * Optimized internal three-arity curry function.\n     *\n     * @private\n     * @category Function\n     * @param {Function} fn The function to curry.\n     * @return {Function} The curried function.\n     */\n    var _curry3 = function _curry3(fn) {\n        return function f3(a, b, c) {\n            switch (arguments.length) {\n            case 0:\n                return f3;\n            case 1:\n                return _isPlaceholder(a) ? f3 : _curry2(function (_b, _c) {\n                    return fn(a, _b, _c);\n                });\n            case 2:\n                return _isPlaceholder(a) && _isPlaceholder(b) ? f3 : _isPlaceholder(a) ? _curry2(function (_a, _c) {\n                    return fn(_a, b, _c);\n                }) : _isPlaceholder(b) ? _curry2(function (_b, _c) {\n                    return fn(a, _b, _c);\n                }) : _curry1(function (_c) {\n                    return fn(a, b, _c);\n                });\n            default:\n                return _isPlaceholder(a) && _isPlaceholder(b) && _isPlaceholder(c) ? f3 : _isPlaceholder(a) && _isPlaceholder(b) ? _curry2(function (_a, _b) {\n                    return fn(_a, _b, c);\n                }) : _isPlaceholder(a) && _isPlaceholder(c) ? _curry2(function (_a, _c) {\n                    return fn(_a, b, _c);\n                }) : _isPlaceholder(b) && _isPlaceholder(c) ? _curry2(function (_b, _c) {\n                    return fn(a, _b, _c);\n                }) : _isPlaceholder(a) ? _curry1(function (_a) {\n                    return fn(_a, b, c);\n                }) : _isPlaceholder(b) ? _curry1(function (_b) {\n                    return fn(a, _b, c);\n                }) : _isPlaceholder(c) ? _curry1(function (_c) {\n                    return fn(a, b, _c);\n                }) : fn(a, b, c);\n            }\n        };\n    };\n\n    /**\n     * Internal curryN function.\n     *\n     * @private\n     * @category Function\n     * @param {Number} length The arity of the curried function.\n     * @param {Array} received An array of arguments received thus far.\n     * @param {Function} fn The function to curry.\n     * @return {Function} The curried function.\n     */\n    var _curryN = function _curryN(length, received, fn) {\n        return function () {\n            var combined = [];\n            var argsIdx = 0;\n            var left = length;\n            var combinedIdx = 0;\n            while (combinedIdx < received.length || argsIdx < arguments.length) {\n                var result;\n                if (combinedIdx < received.length && (!_isPlaceholder(received[combinedIdx]) || argsIdx >= arguments.length)) {\n                    result = received[combinedIdx];\n                } else {\n                    result = arguments[argsIdx];\n                    argsIdx += 1;\n                }\n                combined[combinedIdx] = result;\n                if (!_isPlaceholder(result)) {\n                    left -= 1;\n                }\n                combinedIdx += 1;\n            }\n            return left <= 0 ? fn.apply(this, combined) : _arity(left, _curryN(length, combined, fn));\n        };\n    };\n\n    /**\n     * Returns a function that dispatches with different strategies based on the\n     * object in list position (last argument). If it is an array, executes [fn].\n     * Otherwise, if it has a function with [methodname], it will execute that\n     * function (functor case). Otherwise, if it is a transformer, uses transducer\n     * [xf] to return a new transformer (transducer case). Otherwise, it will\n     * default to executing [fn].\n     *\n     * @private\n     * @param {String} methodname property to check for a custom implementation\n     * @param {Function} xf transducer to initialize if object is transformer\n     * @param {Function} fn default ramda implementation\n     * @return {Function} A function that dispatches on object in list position\n     */\n    var _dispatchable = function _dispatchable(methodname, xf, fn) {\n        return function () {\n            var length = arguments.length;\n            if (length === 0) {\n                return fn();\n            }\n            var obj = arguments[length - 1];\n            if (!_isArray(obj)) {\n                var args = _slice(arguments, 0, length - 1);\n                if (typeof obj[methodname] === 'function') {\n                    return obj[methodname].apply(obj, args);\n                }\n                if (_isTransformer(obj)) {\n                    var transducer = xf.apply(null, args);\n                    return transducer(obj);\n                }\n            }\n            return fn.apply(this, arguments);\n        };\n    };\n\n    var _dropLastWhile = function dropLastWhile(pred, list) {\n        var idx = list.length - 1;\n        while (idx >= 0 && pred(list[idx])) {\n            idx -= 1;\n        }\n        return _slice(list, 0, idx + 1);\n    };\n\n    var _xall = function () {\n        function XAll(f, xf) {\n            this.xf = xf;\n            this.f = f;\n            this.all = true;\n        }\n        XAll.prototype['@@transducer/init'] = _xfBase.init;\n        XAll.prototype['@@transducer/result'] = function (result) {\n            if (this.all) {\n                result = this.xf['@@transducer/step'](result, true);\n            }\n            return this.xf['@@transducer/result'](result);\n        };\n        XAll.prototype['@@transducer/step'] = function (result, input) {\n            if (!this.f(input)) {\n                this.all = false;\n                result = _reduced(this.xf['@@transducer/step'](result, false));\n            }\n            return result;\n        };\n        return _curry2(function _xall(f, xf) {\n            return new XAll(f, xf);\n        });\n    }();\n\n    var _xany = function () {\n        function XAny(f, xf) {\n            this.xf = xf;\n            this.f = f;\n            this.any = false;\n        }\n        XAny.prototype['@@transducer/init'] = _xfBase.init;\n        XAny.prototype['@@transducer/result'] = function (result) {\n            if (!this.any) {\n                result = this.xf['@@transducer/step'](result, false);\n            }\n            return this.xf['@@transducer/result'](result);\n        };\n        XAny.prototype['@@transducer/step'] = function (result, input) {\n            if (this.f(input)) {\n                this.any = true;\n                result = _reduced(this.xf['@@transducer/step'](result, true));\n            }\n            return result;\n        };\n        return _curry2(function _xany(f, xf) {\n            return new XAny(f, xf);\n        });\n    }();\n\n    var _xaperture = function () {\n        function XAperture(n, xf) {\n            this.xf = xf;\n            this.pos = 0;\n            this.full = false;\n            this.acc = new Array(n);\n        }\n        XAperture.prototype['@@transducer/init'] = _xfBase.init;\n        XAperture.prototype['@@transducer/result'] = function (result) {\n            this.acc = null;\n            return this.xf['@@transducer/result'](result);\n        };\n        XAperture.prototype['@@transducer/step'] = function (result, input) {\n            this.store(input);\n            return this.full ? this.xf['@@transducer/step'](result, this.getCopy()) : result;\n        };\n        XAperture.prototype.store = function (input) {\n            this.acc[this.pos] = input;\n            this.pos += 1;\n            if (this.pos === this.acc.length) {\n                this.pos = 0;\n                this.full = true;\n            }\n        };\n        XAperture.prototype.getCopy = function () {\n            return _concat(_slice(this.acc, this.pos), _slice(this.acc, 0, this.pos));\n        };\n        return _curry2(function _xaperture(n, xf) {\n            return new XAperture(n, xf);\n        });\n    }();\n\n    var _xdrop = function () {\n        function XDrop(n, xf) {\n            this.xf = xf;\n            this.n = n;\n        }\n        XDrop.prototype['@@transducer/init'] = _xfBase.init;\n        XDrop.prototype['@@transducer/result'] = _xfBase.result;\n        XDrop.prototype['@@transducer/step'] = function (result, input) {\n            if (this.n > 0) {\n                this.n -= 1;\n                return result;\n            }\n            return this.xf['@@transducer/step'](result, input);\n        };\n        return _curry2(function _xdrop(n, xf) {\n            return new XDrop(n, xf);\n        });\n    }();\n\n    var _xdropLast = function () {\n        function XDropLast(n, xf) {\n            this.xf = xf;\n            this.pos = 0;\n            this.full = false;\n            this.acc = new Array(n);\n        }\n        XDropLast.prototype['@@transducer/init'] = _xfBase.init;\n        XDropLast.prototype['@@transducer/result'] = function (result) {\n            this.acc = null;\n            return this.xf['@@transducer/result'](result);\n        };\n        XDropLast.prototype['@@transducer/step'] = function (result, input) {\n            if (this.full) {\n                result = this.xf['@@transducer/step'](result, this.acc[this.pos]);\n            }\n            this.store(input);\n            return result;\n        };\n        XDropLast.prototype.store = function (input) {\n            this.acc[this.pos] = input;\n            this.pos += 1;\n            if (this.pos === this.acc.length) {\n                this.pos = 0;\n                this.full = true;\n            }\n        };\n        return _curry2(function _xdropLast(n, xf) {\n            return new XDropLast(n, xf);\n        });\n    }();\n\n    var _xdropRepeatsWith = function () {\n        function XDropRepeatsWith(pred, xf) {\n            this.xf = xf;\n            this.pred = pred;\n            this.lastValue = undefined;\n            this.seenFirstValue = false;\n        }\n        XDropRepeatsWith.prototype['@@transducer/init'] = function () {\n            return this.xf['@@transducer/init']();\n        };\n        XDropRepeatsWith.prototype['@@transducer/result'] = function (result) {\n            return this.xf['@@transducer/result'](result);\n        };\n        XDropRepeatsWith.prototype['@@transducer/step'] = function (result, input) {\n            var sameAsLast = false;\n            if (!this.seenFirstValue) {\n                this.seenFirstValue = true;\n            } else if (this.pred(this.lastValue, input)) {\n                sameAsLast = true;\n            }\n            this.lastValue = input;\n            return sameAsLast ? result : this.xf['@@transducer/step'](result, input);\n        };\n        return _curry2(function _xdropRepeatsWith(pred, xf) {\n            return new XDropRepeatsWith(pred, xf);\n        });\n    }();\n\n    var _xdropWhile = function () {\n        function XDropWhile(f, xf) {\n            this.xf = xf;\n            this.f = f;\n        }\n        XDropWhile.prototype['@@transducer/init'] = _xfBase.init;\n        XDropWhile.prototype['@@transducer/result'] = _xfBase.result;\n        XDropWhile.prototype['@@transducer/step'] = function (result, input) {\n            if (this.f) {\n                if (this.f(input)) {\n                    return result;\n                }\n                this.f = null;\n            }\n            return this.xf['@@transducer/step'](result, input);\n        };\n        return _curry2(function _xdropWhile(f, xf) {\n            return new XDropWhile(f, xf);\n        });\n    }();\n\n    var _xfilter = function () {\n        function XFilter(f, xf) {\n            this.xf = xf;\n            this.f = f;\n        }\n        XFilter.prototype['@@transducer/init'] = _xfBase.init;\n        XFilter.prototype['@@transducer/result'] = _xfBase.result;\n        XFilter.prototype['@@transducer/step'] = function (result, input) {\n            return this.f(input) ? this.xf['@@transducer/step'](result, input) : result;\n        };\n        return _curry2(function _xfilter(f, xf) {\n            return new XFilter(f, xf);\n        });\n    }();\n\n    var _xfind = function () {\n        function XFind(f, xf) {\n            this.xf = xf;\n            this.f = f;\n            this.found = false;\n        }\n        XFind.prototype['@@transducer/init'] = _xfBase.init;\n        XFind.prototype['@@transducer/result'] = function (result) {\n            if (!this.found) {\n                result = this.xf['@@transducer/step'](result, void 0);\n            }\n            return this.xf['@@transducer/result'](result);\n        };\n        XFind.prototype['@@transducer/step'] = function (result, input) {\n            if (this.f(input)) {\n                this.found = true;\n                result = _reduced(this.xf['@@transducer/step'](result, input));\n            }\n            return result;\n        };\n        return _curry2(function _xfind(f, xf) {\n            return new XFind(f, xf);\n        });\n    }();\n\n    var _xfindIndex = function () {\n        function XFindIndex(f, xf) {\n            this.xf = xf;\n            this.f = f;\n            this.idx = -1;\n            this.found = false;\n        }\n        XFindIndex.prototype['@@transducer/init'] = _xfBase.init;\n        XFindIndex.prototype['@@transducer/result'] = function (result) {\n            if (!this.found) {\n                result = this.xf['@@transducer/step'](result, -1);\n            }\n            return this.xf['@@transducer/result'](result);\n        };\n        XFindIndex.prototype['@@transducer/step'] = function (result, input) {\n            this.idx += 1;\n            if (this.f(input)) {\n                this.found = true;\n                result = _reduced(this.xf['@@transducer/step'](result, this.idx));\n            }\n            return result;\n        };\n        return _curry2(function _xfindIndex(f, xf) {\n            return new XFindIndex(f, xf);\n        });\n    }();\n\n    var _xfindLast = function () {\n        function XFindLast(f, xf) {\n            this.xf = xf;\n            this.f = f;\n        }\n        XFindLast.prototype['@@transducer/init'] = _xfBase.init;\n        XFindLast.prototype['@@transducer/result'] = function (result) {\n            return this.xf['@@transducer/result'](this.xf['@@transducer/step'](result, this.last));\n        };\n        XFindLast.prototype['@@transducer/step'] = function (result, input) {\n            if (this.f(input)) {\n                this.last = input;\n            }\n            return result;\n        };\n        return _curry2(function _xfindLast(f, xf) {\n            return new XFindLast(f, xf);\n        });\n    }();\n\n    var _xfindLastIndex = function () {\n        function XFindLastIndex(f, xf) {\n            this.xf = xf;\n            this.f = f;\n            this.idx = -1;\n            this.lastIdx = -1;\n        }\n        XFindLastIndex.prototype['@@transducer/init'] = _xfBase.init;\n        XFindLastIndex.prototype['@@transducer/result'] = function (result) {\n            return this.xf['@@transducer/result'](this.xf['@@transducer/step'](result, this.lastIdx));\n        };\n        XFindLastIndex.prototype['@@transducer/step'] = function (result, input) {\n            this.idx += 1;\n            if (this.f(input)) {\n                this.lastIdx = this.idx;\n            }\n            return result;\n        };\n        return _curry2(function _xfindLastIndex(f, xf) {\n            return new XFindLastIndex(f, xf);\n        });\n    }();\n\n    var _xmap = function () {\n        function XMap(f, xf) {\n            this.xf = xf;\n            this.f = f;\n        }\n        XMap.prototype['@@transducer/init'] = _xfBase.init;\n        XMap.prototype['@@transducer/result'] = _xfBase.result;\n        XMap.prototype['@@transducer/step'] = function (result, input) {\n            return this.xf['@@transducer/step'](result, this.f(input));\n        };\n        return _curry2(function _xmap(f, xf) {\n            return new XMap(f, xf);\n        });\n    }();\n\n    var _xreduceBy = function () {\n        function XReduceBy(valueFn, valueAcc, keyFn, xf) {\n            this.valueFn = valueFn;\n            this.valueAcc = valueAcc;\n            this.keyFn = keyFn;\n            this.xf = xf;\n            this.inputs = {};\n        }\n        XReduceBy.prototype['@@transducer/init'] = _xfBase.init;\n        XReduceBy.prototype['@@transducer/result'] = function (result) {\n            var key;\n            for (key in this.inputs) {\n                if (_has(key, this.inputs)) {\n                    result = this.xf['@@transducer/step'](result, this.inputs[key]);\n                    if (result['@@transducer/reduced']) {\n                        result = result['@@transducer/value'];\n                        break;\n                    }\n                }\n            }\n            this.inputs = null;\n            return this.xf['@@transducer/result'](result);\n        };\n        XReduceBy.prototype['@@transducer/step'] = function (result, input) {\n            var key = this.keyFn(input);\n            this.inputs[key] = this.inputs[key] || [\n                key,\n                this.valueAcc\n            ];\n            this.inputs[key][1] = this.valueFn(this.inputs[key][1], input);\n            return result;\n        };\n        return _curryN(4, [], function _xreduceBy(valueFn, valueAcc, keyFn, xf) {\n            return new XReduceBy(valueFn, valueAcc, keyFn, xf);\n        });\n    }();\n\n    var _xtake = function () {\n        function XTake(n, xf) {\n            this.xf = xf;\n            this.n = n;\n            this.i = 0;\n        }\n        XTake.prototype['@@transducer/init'] = _xfBase.init;\n        XTake.prototype['@@transducer/result'] = _xfBase.result;\n        XTake.prototype['@@transducer/step'] = function (result, input) {\n            this.i += 1;\n            var ret = this.n === 0 ? result : this.xf['@@transducer/step'](result, input);\n            return this.i >= this.n ? _reduced(ret) : ret;\n        };\n        return _curry2(function _xtake(n, xf) {\n            return new XTake(n, xf);\n        });\n    }();\n\n    var _xtakeWhile = function () {\n        function XTakeWhile(f, xf) {\n            this.xf = xf;\n            this.f = f;\n        }\n        XTakeWhile.prototype['@@transducer/init'] = _xfBase.init;\n        XTakeWhile.prototype['@@transducer/result'] = _xfBase.result;\n        XTakeWhile.prototype['@@transducer/step'] = function (result, input) {\n            return this.f(input) ? this.xf['@@transducer/step'](result, input) : _reduced(result);\n        };\n        return _curry2(function _xtakeWhile(f, xf) {\n            return new XTakeWhile(f, xf);\n        });\n    }();\n\n    /**\n     * Adds two values.\n     *\n     * @func\n     * @memberOf R\n     * @since v0.1.0\n     * @category Math\n     * @sig Number -> Number -> Number\n     * @param {Number} a\n     * @param {Number} b\n     * @return {Number}\n     * @see R.subtract\n     * @example\n     *\n     *      R.add(2, 3);       //=>  5\n     *      R.add(7)(10);      //=> 17\n     */\n    var add = _curry2(function add(a, b) {\n        return Number(a) + Number(b);\n    });\n\n    /**\n     * Applies a function to the value at the given index of an array, returning a\n     * new copy of the array with the element at the given index replaced with the\n     * result of the function application.\n     *\n     * @func\n     * @memberOf R\n     * @since v0.14.0\n     * @category List\n     * @sig (a -> a) -> Number -> [a] -> [a]\n     * @param {Function} fn The function to apply.\n     * @param {Number} idx The index.\n     * @param {Array|Arguments} list An array-like object whose value\n     *        at the supplied index will be replaced.\n     * @return {Array} A copy of the supplied array-like object with\n     *         the element at index `idx` replaced with the value\n     *         returned by applying `fn` to the existing element.\n     * @see R.update\n     * @example\n     *\n     *      R.adjust(R.add(10), 1, [0, 1, 2]);     //=> [0, 11, 2]\n     *      R.adjust(R.add(10))(1)([0, 1, 2]);     //=> [0, 11, 2]\n     */\n    var adjust = _curry3(function adjust(fn, idx, list) {\n        if (idx >= list.length || idx < -list.length) {\n            return list;\n        }\n        var start = idx < 0 ? list.length : 0;\n        var _idx = start + idx;\n        var _list = _concat(list);\n        _list[_idx] = fn(list[_idx]);\n        return _list;\n    });\n\n    /**\n     * Returns `true` if all elements of the list match the predicate, `false` if\n     * there are any that don't.\n     *\n     * Dispatches to the `all` method of the second argument, if present.\n     *\n     * Acts as a transducer if a transformer is given in list position.\n     *\n     * @func\n     * @memberOf R\n     * @since v0.1.0\n     * @category List\n     * @sig (a -> Boolean) -> [a] -> Boolean\n     * @param {Function} fn The predicate function.\n     * @param {Array} list The array to consider.\n     * @return {Boolean} `true` if the predicate is satisfied by every element, `false`\n     *         otherwise.\n     * @see R.any, R.none, R.transduce\n     * @example\n     *\n     *      var lessThan2 = R.flip(R.lt)(2);\n     *      var lessThan3 = R.flip(R.lt)(3);\n     *      R.all(lessThan2)([1, 2]); //=> false\n     *      R.all(lessThan3)([1, 2]); //=> true\n     */\n    var all = _curry2(_dispatchable('all', _xall, function all(fn, list) {\n        var idx = 0;\n        while (idx < list.length) {\n            if (!fn(list[idx])) {\n                return false;\n            }\n            idx += 1;\n        }\n        return true;\n    }));\n\n    /**\n     * Returns a function that always returns the given value. Note that for\n     * non-primitives the value returned is a reference to the original value.\n     *\n     * This function is known as `const`, `constant`, or `K` (for K combinator) in\n     * other languages and libraries.\n     *\n     * @func\n     * @memberOf R\n     * @since v0.1.0\n     * @category Function\n     * @sig a -> (* -> a)\n     * @param {*} val The value to wrap in a function\n     * @return {Function} A Function :: * -> val.\n     * @example\n     *\n     *      var t = R.always('Tee');\n     *      t(); //=> 'Tee'\n     */\n    var always = _curry1(function always(val) {\n        return function () {\n            return val;\n        };\n    });\n\n    /**\n     * Returns `true` if both arguments are `true`; `false` otherwise.\n     *\n     * @func\n     * @memberOf R\n     * @since v0.1.0\n     * @category Logic\n     * @sig * -> * -> *\n     * @param {Boolean} a A boolean value\n     * @param {Boolean} b A boolean value\n     * @return {Boolean} `true` if both arguments are `true`, `false` otherwise\n     * @see R.both\n     * @example\n     *\n     *      R.and(true, true); //=> true\n     *      R.and(true, false); //=> false\n     *      R.and(false, true); //=> false\n     *      R.and(false, false); //=> false\n     */\n    var and = _curry2(function and(a, b) {\n        return a && b;\n    });\n\n    /**\n     * Returns `true` if at least one of elements of the list match the predicate,\n     * `false` otherwise.\n     *\n     * Dispatches to the `any` method of the second argument, if present.\n     *\n     * Acts as a transducer if a transformer is given in list position.\n     *\n     * @func\n     * @memberOf R\n     * @since v0.1.0\n     * @category List\n     * @sig (a -> Boolean) -> [a] -> Boolean\n     * @param {Function} fn The predicate function.\n     * @param {Array} list The array to consider.\n     * @return {Boolean} `true` if the predicate is satisfied by at least one element, `false`\n     *         otherwise.\n     * @see R.all, R.none, R.transduce\n     * @example\n     *\n     *      var lessThan0 = R.flip(R.lt)(0);\n     *      var lessThan2 = R.flip(R.lt)(2);\n     *      R.any(lessThan0)([1, 2]); //=> false\n     *      R.any(lessThan2)([1, 2]); //=> true\n     */\n    var any = _curry2(_dispatchable('any', _xany, function any(fn, list) {\n        var idx = 0;\n        while (idx < list.length) {\n            if (fn(list[idx])) {\n                return true;\n            }\n            idx += 1;\n        }\n        return false;\n    }));\n\n    /**\n     * Returns a new list, composed of n-tuples of consecutive elements If `n` is\n     * greater than the length of the list, an empty list is returned.\n     *\n     * Dispatches to the `aperture` method of the second argument, if present.\n     *\n     * Acts as a transducer if a transformer is given in list position.\n     *\n     * @func\n     * @memberOf R\n     * @since v0.12.0\n     * @category List\n     * @sig Number -> [a] -> [[a]]\n     * @param {Number} n The size of the tuples to create\n     * @param {Array} list The list to split into `n`-tuples\n     * @return {Array} The new list.\n     * @see R.transduce\n     * @example\n     *\n     *      R.aperture(2, [1, 2, 3, 4, 5]); //=> [[1, 2], [2, 3], [3, 4], [4, 5]]\n     *      R.aperture(3, [1, 2, 3, 4, 5]); //=> [[1, 2, 3], [2, 3, 4], [3, 4, 5]]\n     *      R.aperture(7, [1, 2, 3, 4, 5]); //=> []\n     */\n    var aperture = _curry2(_dispatchable('aperture', _xaperture, _aperture));\n\n    /**\n     * Returns a new list containing the contents of the given list, followed by\n     * the given element.\n     *\n     * @func\n     * @memberOf R\n     * @since v0.1.0\n     * @category List\n     * @sig a -> [a] -> [a]\n     * @param {*} el The element to add to the end of the new list.\n     * @param {Array} list The list whose contents will be added to the beginning of the output\n     *        list.\n     * @return {Array} A new list containing the contents of the old list followed by `el`.\n     * @see R.prepend\n     * @example\n     *\n     *      R.append('tests', ['write', 'more']); //=> ['write', 'more', 'tests']\n     *      R.append('tests', []); //=> ['tests']\n     *      R.append(['tests'], ['write', 'more']); //=> ['write', 'more', ['tests']]\n     */\n    var append = _curry2(function append(el, list) {\n        return _concat(list, [el]);\n    });\n\n    /**\n     * Applies function `fn` to the argument list `args`. This is useful for\n     * creating a fixed-arity function from a variadic function. `fn` should be a\n     * bound function if context is significant.\n     *\n     * @func\n     * @memberOf R\n     * @since v0.7.0\n     * @category Function\n     * @sig (*... -> a) -> [*] -> a\n     * @param {Function} fn\n     * @param {Array} args\n     * @return {*}\n     * @see R.call, R.unapply\n     * @example\n     *\n     *      var nums = [1, 2, 3, -99, 42, 6, 7];\n     *      R.apply(Math.max, nums); //=> 42\n     */\n    var apply = _curry2(function apply(fn, args) {\n        return fn.apply(this, args);\n    });\n\n    /**\n     * Makes a shallow clone of an object, setting or overriding the specified\n     * property with the given value. Note that this copies and flattens prototype\n     * properties onto the new object as well. All non-primitive properties are\n     * copied by reference.\n     *\n     * @func\n     * @memberOf R\n     * @since v0.8.0\n     * @category Object\n     * @sig String -> a -> {k: v} -> {k: v}\n     * @param {String} prop the property name to set\n     * @param {*} val the new value\n     * @param {Object} obj the object to clone\n     * @return {Object} a new object similar to the original except for the specified property.\n     * @see R.dissoc\n     * @example\n     *\n     *      R.assoc('c', 3, {a: 1, b: 2}); //=> {a: 1, b: 2, c: 3}\n     */\n    var assoc = _curry3(function assoc(prop, val, obj) {\n        var result = {};\n        for (var p in obj) {\n            result[p] = obj[p];\n        }\n        result[prop] = val;\n        return result;\n    });\n\n    /**\n     * Makes a shallow clone of an object, setting or overriding the nodes required\n     * to create the given path, and placing the specific value at the tail end of\n     * that path. Note that this copies and flattens prototype properties onto the\n     * new object as well. All non-primitive properties are copied by reference.\n     *\n     * @func\n     * @memberOf R\n     * @since v0.8.0\n     * @category Object\n     * @sig [String] -> a -> {k: v} -> {k: v}\n     * @param {Array} path the path to set\n     * @param {*} val the new value\n     * @param {Object} obj the object to clone\n     * @return {Object} a new object similar to the original except along the specified path.\n     * @see R.dissocPath\n     * @example\n     *\n     *      R.assocPath(['a', 'b', 'c'], 42, {a: {b: {c: 0}}}); //=> {a: {b: {c: 42}}}\n     */\n    var assocPath = _curry3(function assocPath(path, val, obj) {\n        switch (path.length) {\n        case 0:\n            return val;\n        case 1:\n            return assoc(path[0], val, obj);\n        default:\n            return assoc(path[0], assocPath(_slice(path, 1), val, Object(obj[path[0]])), obj);\n        }\n    });\n\n    /**\n     * Creates a function that is bound to a context.\n     * Note: `R.bind` does not provide the additional argument-binding capabilities of\n     * [Function.prototype.bind](https://developer.mozilla.org/en-US/docs/Web/JavaScript/Reference/Global_Objects/Function/bind).\n     *\n     * @func\n     * @memberOf R\n     * @since v0.6.0\n     * @category Function\n     * @category Object\n     * @sig (* -> *) -> {*} -> (* -> *)\n     * @param {Function} fn The function to bind to context\n     * @param {Object} thisObj The context to bind `fn` to\n     * @return {Function} A function that will execute in the context of `thisObj`.\n     * @see R.partial\n     * @example\n     *\n     *      var log = R.bind(console.log, console);\n     *      R.pipe(R.assoc('a', 2), R.tap(log), R.assoc('a', 3))({a: 1}); //=> {a: 3}\n     *      // logs {a: 2}\n     */\n    var bind = _curry2(function bind(fn, thisObj) {\n        return _arity(fn.length, function () {\n            return fn.apply(thisObj, arguments);\n        });\n    });\n\n    /**\n     * Restricts a number to be within a range.\n     *\n     * Also works for other ordered types such as Strings and Dates.\n     *\n     * @func\n     * @memberOf R\n     * @since v0.20.0\n     * @category Relation\n     * @sig Ord a => a -> a -> a -> a\n     * @param {Number} minimum number\n     * @param {Number} maximum number\n     * @param {Number} value to be clamped\n     * @return {Number} Returns the clamped value\n     * @example\n     *\n     *      R.clamp(1, 10, -1) // => 1\n     *      R.clamp(1, 10, 11) // => 10\n     *      R.clamp(1, 10, 4)  // => 4\n     */\n    var clamp = _curry3(function clamp(min, max, value) {\n        if (min > max) {\n            throw new Error('min must not be greater than max in clamp(min, max, value)');\n        }\n        return value < min ? min : value > max ? max : value;\n    });\n\n    /**\n     * Makes a comparator function out of a function that reports whether the first\n     * element is less than the second.\n     *\n     * @func\n     * @memberOf R\n     * @since v0.1.0\n     * @category Function\n     * @sig (a, b -> Boolean) -> (a, b -> Number)\n     * @param {Function} pred A predicate function of arity two.\n     * @return {Function} A Function :: a -> b -> Int that returns `-1` if a < b, `1` if b < a, otherwise `0`.\n     * @example\n     *\n     *      var cmp = R.comparator((a, b) => a.age < b.age);\n     *      var people = [\n     *        // ...\n     *      ];\n     *      R.sort(cmp, people);\n     */\n    var comparator = _curry1(function comparator(pred) {\n        return function (a, b) {\n            return pred(a, b) ? -1 : pred(b, a) ? 1 : 0;\n        };\n    });\n\n    /**\n     * Returns a curried equivalent of the provided function, with the specified\n     * arity. The curried function has two unusual capabilities. First, its\n     * arguments needn't be provided one at a time. If `g` is `R.curryN(3, f)`, the\n     * following are equivalent:\n     *\n     *   - `g(1)(2)(3)`\n     *   - `g(1)(2, 3)`\n     *   - `g(1, 2)(3)`\n     *   - `g(1, 2, 3)`\n     *\n     * Secondly, the special placeholder value `R.__` may be used to specify\n     * \"gaps\", allowing partial application of any combination of arguments,\n     * regardless of their positions. If `g` is as above and `_` is `R.__`, the\n     * following are equivalent:\n     *\n     *   - `g(1, 2, 3)`\n     *   - `g(_, 2, 3)(1)`\n     *   - `g(_, _, 3)(1)(2)`\n     *   - `g(_, _, 3)(1, 2)`\n     *   - `g(_, 2)(1)(3)`\n     *   - `g(_, 2)(1, 3)`\n     *   - `g(_, 2)(_, 3)(1)`\n     *\n     * @func\n     * @memberOf R\n     * @since v0.5.0\n     * @category Function\n     * @sig Number -> (* -> a) -> (* -> a)\n     * @param {Number} length The arity for the returned function.\n     * @param {Function} fn The function to curry.\n     * @return {Function} A new, curried function.\n     * @see R.curry\n     * @example\n     *\n     *      var sumArgs = (...args) => R.sum(args);\n     *\n     *      var curriedAddFourNumbers = R.curryN(4, sumArgs);\n     *      var f = curriedAddFourNumbers(1, 2);\n     *      var g = f(3);\n     *      g(4); //=> 10\n     */\n    var curryN = _curry2(function curryN(length, fn) {\n        if (length === 1) {\n            return _curry1(fn);\n        }\n        return _arity(length, _curryN(length, [], fn));\n    });\n\n    /**\n     * Decrements its argument.\n     *\n     * @func\n     * @memberOf R\n     * @since v0.9.0\n     * @category Math\n     * @sig Number -> Number\n     * @param {Number} n\n     * @return {Number}\n     * @see R.inc\n     * @example\n     *\n     *      R.dec(42); //=> 41\n     */\n    var dec = add(-1);\n\n    /**\n     * Returns the second argument if it is not `null`, `undefined` or `NaN`\n     * otherwise the first argument is returned.\n     *\n     * @func\n     * @memberOf R\n     * @since v0.10.0\n     * @category Logic\n     * @sig a -> b -> a | b\n     * @param {a} val The default value.\n     * @param {b} val The value to return if it is not null or undefined\n     * @return {*} The the second value or the default value\n     * @example\n     *\n     *      var defaultTo42 = R.defaultTo(42);\n     *\n     *      defaultTo42(null);  //=> 42\n     *      defaultTo42(undefined);  //=> 42\n     *      defaultTo42('Ramda');  //=> 'Ramda'\n     *      defaultTo42(parseInt('string')); //=> 42\n     */\n    var defaultTo = _curry2(function defaultTo(d, v) {\n        return v == null || v !== v ? d : v;\n    });\n\n    /**\n     * Finds the set (i.e. no duplicates) of all elements in the first list not\n     * contained in the second list. Duplication is determined according to the\n     * value returned by applying the supplied predicate to two list elements.\n     *\n     * @func\n     * @memberOf R\n     * @since v0.1.0\n     * @category Relation\n     * @sig (a -> a -> Boolean) -> [*] -> [*] -> [*]\n     * @param {Function} pred A predicate used to test whether two items are equal.\n     * @param {Array} list1 The first list.\n     * @param {Array} list2 The second list.\n     * @return {Array} The elements in `list1` that are not in `list2`.\n     * @see R.difference, R.symmetricDifference, R.symmetricDifferenceWith\n     * @example\n     *\n     *      var cmp = (x, y) => x.a === y.a;\n     *      var l1 = [{a: 1}, {a: 2}, {a: 3}];\n     *      var l2 = [{a: 3}, {a: 4}];\n     *      R.differenceWith(cmp, l1, l2); //=> [{a: 1}, {a: 2}]\n     */\n    var differenceWith = _curry3(function differenceWith(pred, first, second) {\n        var out = [];\n        var idx = 0;\n        var firstLen = first.length;\n        while (idx < firstLen) {\n            if (!_containsWith(pred, first[idx], second) && !_containsWith(pred, first[idx], out)) {\n                out.push(first[idx]);\n            }\n            idx += 1;\n        }\n        return out;\n    });\n\n    /**\n     * Returns a new object that does not contain a `prop` property.\n     *\n     * @func\n     * @memberOf R\n     * @since v0.10.0\n     * @category Object\n     * @sig String -> {k: v} -> {k: v}\n     * @param {String} prop the name of the property to dissociate\n     * @param {Object} obj the object to clone\n     * @return {Object} a new object similar to the original but without the specified property\n     * @see R.assoc\n     * @example\n     *\n     *      R.dissoc('b', {a: 1, b: 2, c: 3}); //=> {a: 1, c: 3}\n     */\n    var dissoc = _curry2(function dissoc(prop, obj) {\n        var result = {};\n        for (var p in obj) {\n            if (p !== prop) {\n                result[p] = obj[p];\n            }\n        }\n        return result;\n    });\n\n    /**\n     * Makes a shallow clone of an object, omitting the property at the given path.\n     * Note that this copies and flattens prototype properties onto the new object\n     * as well. All non-primitive properties are copied by reference.\n     *\n     * @func\n     * @memberOf R\n     * @since v0.11.0\n     * @category Object\n     * @sig [String] -> {k: v} -> {k: v}\n     * @param {Array} path the path to set\n     * @param {Object} obj the object to clone\n     * @return {Object} a new object without the property at path\n     * @see R.assocPath\n     * @example\n     *\n     *      R.dissocPath(['a', 'b', 'c'], {a: {b: {c: 42}}}); //=> {a: {b: {}}}\n     */\n    var dissocPath = _curry2(function dissocPath(path, obj) {\n        switch (path.length) {\n        case 0:\n            return obj;\n        case 1:\n            return dissoc(path[0], obj);\n        default:\n            var head = path[0];\n            var tail = _slice(path, 1);\n            return obj[head] == null ? obj : assoc(head, dissocPath(tail, obj[head]), obj);\n        }\n    });\n\n    /**\n     * Divides two numbers. Equivalent to `a / b`.\n     *\n     * @func\n     * @memberOf R\n     * @since v0.1.0\n     * @category Math\n     * @sig Number -> Number -> Number\n     * @param {Number} a The first value.\n     * @param {Number} b The second value.\n     * @return {Number} The result of `a / b`.\n     * @see R.multiply\n     * @example\n     *\n     *      R.divide(71, 100); //=> 0.71\n     *\n     *      var half = R.divide(R.__, 2);\n     *      half(42); //=> 21\n     *\n     *      var reciprocal = R.divide(1);\n     *      reciprocal(4);   //=> 0.25\n     */\n    var divide = _curry2(function divide(a, b) {\n        return a / b;\n    });\n\n    /**\n     * Returns a new list excluding the leading elements of a given list which\n     * satisfy the supplied predicate function. It passes each value to the supplied\n     * predicate function, skipping elements while the predicate function returns\n     * `true`. The predicate function is applied to one argument: *(value)*.\n     *\n     * Dispatches to the `dropWhile` method of the second argument, if present.\n     *\n     * Acts as a transducer if a transformer is given in list position.\n     *\n     * @func\n     * @memberOf R\n     * @since v0.9.0\n     * @category List\n     * @sig (a -> Boolean) -> [a] -> [a]\n     * @param {Function} fn The function called per iteration.\n     * @param {Array} list The collection to iterate over.\n     * @return {Array} A new array.\n     * @see R.takeWhile, R.transduce, R.addIndex\n     * @example\n     *\n     *      var lteTwo = x => x <= 2;\n     *\n     *      R.dropWhile(lteTwo, [1, 2, 3, 4, 3, 2, 1]); //=> [3, 4, 3, 2, 1]\n     */\n    var dropWhile = _curry2(_dispatchable('dropWhile', _xdropWhile, function dropWhile(pred, list) {\n        var idx = 0;\n        var len = list.length;\n        while (idx < len && pred(list[idx])) {\n            idx += 1;\n        }\n        return _slice(list, idx);\n    }));\n\n    /**\n     * Returns the empty value of its argument's type. Ramda defines the empty\n     * value of Array (`[]`), Object (`{}`), String (`''`), and Arguments. Other\n     * types are supported if they define `<Type>.empty` and/or\n     * `<Type>.prototype.empty`.\n     *\n     * Dispatches to the `empty` method of the first argument, if present.\n     *\n     * @func\n     * @memberOf R\n     * @since v0.3.0\n     * @category Function\n     * @sig a -> a\n     * @param {*} x\n     * @return {*}\n     * @example\n     *\n     *      R.empty(Just(42));      //=> Nothing()\n     *      R.empty([1, 2, 3]);     //=> []\n     *      R.empty('unicorns');    //=> ''\n     *      R.empty({x: 1, y: 2});  //=> {}\n     */\n    // else\n    var empty = _curry1(function empty(x) {\n        return x != null && typeof x.empty === 'function' ? x.empty() : x != null && x.constructor != null && typeof x.constructor.empty === 'function' ? x.constructor.empty() : _isArray(x) ? [] : _isString(x) ? '' : _isObject(x) ? {} : _isArguments(x) ? function () {\n            return arguments;\n        }() : // else\n        void 0;\n    });\n\n    /**\n     * Creates a new object by recursively evolving a shallow copy of `object`,\n     * according to the `transformation` functions. All non-primitive properties\n     * are copied by reference.\n     *\n     * A `transformation` function will not be invoked if its corresponding key\n     * does not exist in the evolved object.\n     *\n     * @func\n     * @memberOf R\n     * @since v0.9.0\n     * @category Object\n     * @sig {k: (v -> v)} -> {k: v} -> {k: v}\n     * @param {Object} transformations The object specifying transformation functions to apply\n     *        to the object.\n     * @param {Object} object The object to be transformed.\n     * @return {Object} The transformed object.\n     * @example\n     *\n     *      var tomato  = {firstName: '  Tomato ', data: {elapsed: 100, remaining: 1400}, id:123};\n     *      var transformations = {\n     *        firstName: R.trim,\n     *        lastName: R.trim, // Will not get invoked.\n     *        data: {elapsed: R.add(1), remaining: R.add(-1)}\n     *      };\n     *      R.evolve(transformations, tomato); //=> {firstName: 'Tomato', data: {elapsed: 101, remaining: 1399}, id:123}\n     */\n    var evolve = _curry2(function evolve(transformations, object) {\n        var result = {};\n        var transformation, key, type;\n        for (key in object) {\n            transformation = transformations[key];\n            type = typeof transformation;\n            result[key] = type === 'function' ? transformation(object[key]) : type === 'object' ? evolve(transformations[key], object[key]) : object[key];\n        }\n        return result;\n    });\n\n    /**\n     * Returns the first element of the list which matches the predicate, or\n     * `undefined` if no element matches.\n     *\n     * Dispatches to the `find` method of the second argument, if present.\n     *\n     * Acts as a transducer if a transformer is given in list position.\n     *\n     * @func\n     * @memberOf R\n     * @since v0.1.0\n     * @category List\n     * @sig (a -> Boolean) -> [a] -> a | undefined\n     * @param {Function} fn The predicate function used to determine if the element is the\n     *        desired one.\n     * @param {Array} list The array to consider.\n     * @return {Object} The element found, or `undefined`.\n     * @see R.transduce\n     * @example\n     *\n     *      var xs = [{a: 1}, {a: 2}, {a: 3}];\n     *      R.find(R.propEq('a', 2))(xs); //=> {a: 2}\n     *      R.find(R.propEq('a', 4))(xs); //=> undefined\n     */\n    var find = _curry2(_dispatchable('find', _xfind, function find(fn, list) {\n        var idx = 0;\n        var len = list.length;\n        while (idx < len) {\n            if (fn(list[idx])) {\n                return list[idx];\n            }\n            idx += 1;\n        }\n    }));\n\n    /**\n     * Returns the index of the first element of the list which matches the\n     * predicate, or `-1` if no element matches.\n     *\n     * Dispatches to the `findIndex` method of the second argument, if present.\n     *\n     * Acts as a transducer if a transformer is given in list position.\n     *\n     * @func\n     * @memberOf R\n     * @since v0.1.1\n     * @category List\n     * @sig (a -> Boolean) -> [a] -> Number\n     * @param {Function} fn The predicate function used to determine if the element is the\n     * desired one.\n     * @param {Array} list The array to consider.\n     * @return {Number} The index of the element found, or `-1`.\n     * @see R.transduce\n     * @example\n     *\n     *      var xs = [{a: 1}, {a: 2}, {a: 3}];\n     *      R.findIndex(R.propEq('a', 2))(xs); //=> 1\n     *      R.findIndex(R.propEq('a', 4))(xs); //=> -1\n     */\n    var findIndex = _curry2(_dispatchable('findIndex', _xfindIndex, function findIndex(fn, list) {\n        var idx = 0;\n        var len = list.length;\n        while (idx < len) {\n            if (fn(list[idx])) {\n                return idx;\n            }\n            idx += 1;\n        }\n        return -1;\n    }));\n\n    /**\n     * Returns the last element of the list which matches the predicate, or\n     * `undefined` if no element matches.\n     *\n     * Dispatches to the `findLast` method of the second argument, if present.\n     *\n     * Acts as a transducer if a transformer is given in list position.\n     *\n     * @func\n     * @memberOf R\n     * @since v0.1.1\n     * @category List\n     * @sig (a -> Boolean) -> [a] -> a | undefined\n     * @param {Function} fn The predicate function used to determine if the element is the\n     * desired one.\n     * @param {Array} list The array to consider.\n     * @return {Object} The element found, or `undefined`.\n     * @see R.transduce\n     * @example\n     *\n     *      var xs = [{a: 1, b: 0}, {a:1, b: 1}];\n     *      R.findLast(R.propEq('a', 1))(xs); //=> {a: 1, b: 1}\n     *      R.findLast(R.propEq('a', 4))(xs); //=> undefined\n     */\n    var findLast = _curry2(_dispatchable('findLast', _xfindLast, function findLast(fn, list) {\n        var idx = list.length - 1;\n        while (idx >= 0) {\n            if (fn(list[idx])) {\n                return list[idx];\n            }\n            idx -= 1;\n        }\n    }));\n\n    /**\n     * Returns the index of the last element of the list which matches the\n     * predicate, or `-1` if no element matches.\n     *\n     * Dispatches to the `findLastIndex` method of the second argument, if present.\n     *\n     * Acts as a transducer if a transformer is given in list position.\n     *\n     * @func\n     * @memberOf R\n     * @since v0.1.1\n     * @category List\n     * @sig (a -> Boolean) -> [a] -> Number\n     * @param {Function} fn The predicate function used to determine if the element is the\n     * desired one.\n     * @param {Array} list The array to consider.\n     * @return {Number} The index of the element found, or `-1`.\n     * @see R.transduce\n     * @example\n     *\n     *      var xs = [{a: 1, b: 0}, {a:1, b: 1}];\n     *      R.findLastIndex(R.propEq('a', 1))(xs); //=> 1\n     *      R.findLastIndex(R.propEq('a', 4))(xs); //=> -1\n     */\n    var findLastIndex = _curry2(_dispatchable('findLastIndex', _xfindLastIndex, function findLastIndex(fn, list) {\n        var idx = list.length - 1;\n        while (idx >= 0) {\n            if (fn(list[idx])) {\n                return idx;\n            }\n            idx -= 1;\n        }\n        return -1;\n    }));\n\n    /**\n     * Iterate over an input `list`, calling a provided function `fn` for each\n     * element in the list.\n     *\n     * `fn` receives one argument: *(value)*.\n     *\n     * Note: `R.forEach` does not skip deleted or unassigned indices (sparse\n     * arrays), unlike the native `Array.prototype.forEach` method. For more\n     * details on this behavior, see:\n     * https://developer.mozilla.org/en-US/docs/Web/JavaScript/Reference/Global_Objects/Array/forEach#Description\n     *\n     * Also note that, unlike `Array.prototype.forEach`, Ramda's `forEach` returns\n     * the original array. In some libraries this function is named `each`.\n     *\n     * Dispatches to the `forEach` method of the second argument, if present.\n     *\n     * @func\n     * @memberOf R\n     * @since v0.1.1\n     * @category List\n     * @sig (a -> *) -> [a] -> [a]\n     * @param {Function} fn The function to invoke. Receives one argument, `value`.\n     * @param {Array} list The list to iterate over.\n     * @return {Array} The original list.\n     * @see R.addIndex\n     * @example\n     *\n     *      var printXPlusFive = x => console.log(x + 5);\n     *      R.forEach(printXPlusFive, [1, 2, 3]); //=> [1, 2, 3]\n     *      // logs 6\n     *      // logs 7\n     *      // logs 8\n     */\n    var forEach = _curry2(_checkForMethod('forEach', function forEach(fn, list) {\n        var len = list.length;\n        var idx = 0;\n        while (idx < len) {\n            fn(list[idx]);\n            idx += 1;\n        }\n        return list;\n    }));\n\n    /**\n     * Creates a new object from a list key-value pairs. If a key appears in\n     * multiple pairs, the rightmost pair is included in the object.\n     *\n     * @func\n     * @memberOf R\n     * @since v0.3.0\n     * @category List\n     * @sig [[k,v]] -> {k: v}\n     * @param {Array} pairs An array of two-element arrays that will be the keys and values of the output object.\n     * @return {Object} The object made by pairing up `keys` and `values`.\n     * @see R.toPairs, R.pair\n     * @example\n     *\n     *      R.fromPairs([['a', 1], ['b', 2], ['c', 3]]); //=> {a: 1, b: 2, c: 3}\n     */\n    var fromPairs = _curry1(function fromPairs(pairs) {\n        var result = {};\n        var idx = 0;\n        while (idx < pairs.length) {\n            result[pairs[idx][0]] = pairs[idx][1];\n            idx += 1;\n        }\n        return result;\n    });\n\n    /**\n     * Takes a list and returns a list of lists where each sublist's elements are\n     * all \"equal\" according to the provided equality function.\n     *\n     * @func\n     * @memberOf R\n     * @since v0.21.0\n     * @category List\n     * @sig ((a, a) → Boolean) → [a] → [[a]]\n     * @param {Function} fn Function for determining whether two given (adjacent)\n     *        elements should be in the same group\n     * @param {Array} list The array to group. Also accepts a string, which will be\n     *        treated as a list of characters.\n     * @return {List} A list that contains sublists of equal elements,\n     *         whose concatenations are equal to the original list.\n     * @example\n     *\n     * R.groupWith(R.equals, [0, 1, 1, 2, 3, 5, 8, 13, 21])\n     * //=> [[0], [1, 1], [2], [3], [5], [8], [13], [21]]\n     *\n     * R.groupWith((a, b) => a % 2 === b % 2, [0, 1, 1, 2, 3, 5, 8, 13, 21])\n     * //=> [[0], [1, 1], [2], [3, 5], [8], [13, 21]]\n     *\n     * R.groupWith(R.eqBy(isVowel), 'aestiou')\n     * //=> ['ae', 'st', 'iou']\n     */\n    var groupWith = _curry2(function (fn, list) {\n        var res = [];\n        var idx = 0;\n        var len = list.length;\n        while (idx < len) {\n            var nextidx = idx + 1;\n            while (nextidx < len && fn(list[idx], list[nextidx])) {\n                nextidx += 1;\n            }\n            res.push(list.slice(idx, nextidx));\n            idx = nextidx;\n        }\n        return res;\n    });\n\n    /**\n     * Returns `true` if the first argument is greater than the second; `false`\n     * otherwise.\n     *\n     * @func\n     * @memberOf R\n     * @since v0.1.0\n     * @category Relation\n     * @sig Ord a => a -> a -> Boolean\n     * @param {*} a\n     * @param {*} b\n     * @return {Boolean}\n     * @see R.lt\n     * @example\n     *\n     *      R.gt(2, 1); //=> true\n     *      R.gt(2, 2); //=> false\n     *      R.gt(2, 3); //=> false\n     *      R.gt('a', 'z'); //=> false\n     *      R.gt('z', 'a'); //=> true\n     */\n    var gt = _curry2(function gt(a, b) {\n        return a > b;\n    });\n\n    /**\n     * Returns `true` if the first argument is greater than or equal to the second;\n     * `false` otherwise.\n     *\n     * @func\n     * @memberOf R\n     * @since v0.1.0\n     * @category Relation\n     * @sig Ord a => a -> a -> Boolean\n     * @param {Number} a\n     * @param {Number} b\n     * @return {Boolean}\n     * @see R.lte\n     * @example\n     *\n     *      R.gte(2, 1); //=> true\n     *      R.gte(2, 2); //=> true\n     *      R.gte(2, 3); //=> false\n     *      R.gte('a', 'z'); //=> false\n     *      R.gte('z', 'a'); //=> true\n     */\n    var gte = _curry2(function gte(a, b) {\n        return a >= b;\n    });\n\n    /**\n     * Returns whether or not an object has an own property with the specified name\n     *\n     * @func\n     * @memberOf R\n     * @since v0.7.0\n     * @category Object\n     * @sig s -> {s: x} -> Boolean\n     * @param {String} prop The name of the property to check for.\n     * @param {Object} obj The object to query.\n     * @return {Boolean} Whether the property exists.\n     * @example\n     *\n     *      var hasName = R.has('name');\n     *      hasName({name: 'alice'});   //=> true\n     *      hasName({name: 'bob'});     //=> true\n     *      hasName({});                //=> false\n     *\n     *      var point = {x: 0, y: 0};\n     *      var pointHas = R.has(R.__, point);\n     *      pointHas('x');  //=> true\n     *      pointHas('y');  //=> true\n     *      pointHas('z');  //=> false\n     */\n    var has = _curry2(_has);\n\n    /**\n     * Returns whether or not an object or its prototype chain has a property with\n     * the specified name\n     *\n     * @func\n     * @memberOf R\n     * @since v0.7.0\n     * @category Object\n     * @sig s -> {s: x} -> Boolean\n     * @param {String} prop The name of the property to check for.\n     * @param {Object} obj The object to query.\n     * @return {Boolean} Whether the property exists.\n     * @example\n     *\n     *      function Rectangle(width, height) {\n     *        this.width = width;\n     *        this.height = height;\n     *      }\n     *      Rectangle.prototype.area = function() {\n     *        return this.width * this.height;\n     *      };\n     *\n     *      var square = new Rectangle(2, 2);\n     *      R.hasIn('width', square);  //=> true\n     *      R.hasIn('area', square);  //=> true\n     */\n    var hasIn = _curry2(function hasIn(prop, obj) {\n        return prop in obj;\n    });\n\n    /**\n     * Returns true if its arguments are identical, false otherwise. Values are\n     * identical if they reference the same memory. `NaN` is identical to `NaN`;\n     * `0` and `-0` are not identical.\n     *\n     * @func\n     * @memberOf R\n     * @since v0.15.0\n     * @category Relation\n     * @sig a -> a -> Boolean\n     * @param {*} a\n     * @param {*} b\n     * @return {Boolean}\n     * @example\n     *\n     *      var o = {};\n     *      R.identical(o, o); //=> true\n     *      R.identical(1, 1); //=> true\n     *      R.identical(1, '1'); //=> false\n     *      R.identical([], []); //=> false\n     *      R.identical(0, -0); //=> false\n     *      R.identical(NaN, NaN); //=> true\n     */\n    // SameValue algorithm\n    // Steps 1-5, 7-10\n    // Steps 6.b-6.e: +0 != -0\n    // Step 6.a: NaN == NaN\n    var identical = _curry2(function identical(a, b) {\n        // SameValue algorithm\n        if (a === b) {\n            // Steps 1-5, 7-10\n            // Steps 6.b-6.e: +0 != -0\n            return a !== 0 || 1 / a === 1 / b;\n        } else {\n            // Step 6.a: NaN == NaN\n            return a !== a && b !== b;\n        }\n    });\n\n    /**\n     * A function that does nothing but return the parameter supplied to it. Good\n     * as a default or placeholder function.\n     *\n     * @func\n     * @memberOf R\n     * @since v0.1.0\n     * @category Function\n     * @sig a -> a\n     * @param {*} x The value to return.\n     * @return {*} The input value, `x`.\n     * @example\n     *\n     *      R.identity(1); //=> 1\n     *\n     *      var obj = {};\n     *      R.identity(obj) === obj; //=> true\n     */\n    var identity = _curry1(_identity);\n\n    /**\n     * Creates a function that will process either the `onTrue` or the `onFalse`\n     * function depending upon the result of the `condition` predicate.\n     *\n     * @func\n     * @memberOf R\n     * @since v0.8.0\n     * @category Logic\n     * @sig (*... -> Boolean) -> (*... -> *) -> (*... -> *) -> (*... -> *)\n     * @param {Function} condition A predicate function\n     * @param {Function} onTrue A function to invoke when the `condition` evaluates to a truthy value.\n     * @param {Function} onFalse A function to invoke when the `condition` evaluates to a falsy value.\n     * @return {Function} A new unary function that will process either the `onTrue` or the `onFalse`\n     *                    function depending upon the result of the `condition` predicate.\n     * @see R.unless, R.when\n     * @example\n     *\n     *      var incCount = R.ifElse(\n     *        R.has('count'),\n     *        R.over(R.lensProp('count'), R.inc),\n     *        R.assoc('count', 1)\n     *      );\n     *      incCount({});           //=> { count: 1 }\n     *      incCount({ count: 1 }); //=> { count: 2 }\n     */\n    var ifElse = _curry3(function ifElse(condition, onTrue, onFalse) {\n        return curryN(Math.max(condition.length, onTrue.length, onFalse.length), function _ifElse() {\n            return condition.apply(this, arguments) ? onTrue.apply(this, arguments) : onFalse.apply(this, arguments);\n        });\n    });\n\n    /**\n     * Increments its argument.\n     *\n     * @func\n     * @memberOf R\n     * @since v0.9.0\n     * @category Math\n     * @sig Number -> Number\n     * @param {Number} n\n     * @return {Number}\n     * @see R.dec\n     * @example\n     *\n     *      R.inc(42); //=> 43\n     */\n    var inc = add(1);\n\n    /**\n     * Inserts the supplied element into the list, at index `index`. _Note that\n     * this is not destructive_: it returns a copy of the list with the changes.\n     * <small>No lists have been harmed in the application of this function.</small>\n     *\n     * @func\n     * @memberOf R\n     * @since v0.2.2\n     * @category List\n     * @sig Number -> a -> [a] -> [a]\n     * @param {Number} index The position to insert the element\n     * @param {*} elt The element to insert into the Array\n     * @param {Array} list The list to insert into\n     * @return {Array} A new Array with `elt` inserted at `index`.\n     * @example\n     *\n     *      R.insert(2, 'x', [1,2,3,4]); //=> [1,2,'x',3,4]\n     */\n    var insert = _curry3(function insert(idx, elt, list) {\n        idx = idx < list.length && idx >= 0 ? idx : list.length;\n        var result = _slice(list);\n        result.splice(idx, 0, elt);\n        return result;\n    });\n\n    /**\n     * Inserts the sub-list into the list, at index `index`. _Note that this is not\n     * destructive_: it returns a copy of the list with the changes.\n     * <small>No lists have been harmed in the application of this function.</small>\n     *\n     * @func\n     * @memberOf R\n     * @since v0.9.0\n     * @category List\n     * @sig Number -> [a] -> [a] -> [a]\n     * @param {Number} index The position to insert the sub-list\n     * @param {Array} elts The sub-list to insert into the Array\n     * @param {Array} list The list to insert the sub-list into\n     * @return {Array} A new Array with `elts` inserted starting at `index`.\n     * @example\n     *\n     *      R.insertAll(2, ['x','y','z'], [1,2,3,4]); //=> [1,2,'x','y','z',3,4]\n     */\n    var insertAll = _curry3(function insertAll(idx, elts, list) {\n        idx = idx < list.length && idx >= 0 ? idx : list.length;\n        return _concat(_concat(_slice(list, 0, idx), elts), _slice(list, idx));\n    });\n\n    /**\n     * Creates a new list with the separator interposed between elements.\n     *\n     * Dispatches to the `intersperse` method of the second argument, if present.\n     *\n     * @func\n     * @memberOf R\n     * @since v0.14.0\n     * @category List\n     * @sig a -> [a] -> [a]\n     * @param {*} separator The element to add to the list.\n     * @param {Array} list The list to be interposed.\n     * @return {Array} The new list.\n     * @example\n     *\n     *      R.intersperse('n', ['ba', 'a', 'a']); //=> ['ba', 'n', 'a', 'n', 'a']\n     */\n    var intersperse = _curry2(_checkForMethod('intersperse', function intersperse(separator, list) {\n        var out = [];\n        var idx = 0;\n        var length = list.length;\n        while (idx < length) {\n            if (idx === length - 1) {\n                out.push(list[idx]);\n            } else {\n                out.push(list[idx], separator);\n            }\n            idx += 1;\n        }\n        return out;\n    }));\n\n    /**\n     * See if an object (`val`) is an instance of the supplied constructor. This\n     * function will check up the inheritance chain, if any.\n     *\n     * @func\n     * @memberOf R\n     * @since v0.3.0\n     * @category Type\n     * @sig (* -> {*}) -> a -> Boolean\n     * @param {Object} ctor A constructor\n     * @param {*} val The value to test\n     * @return {Boolean}\n     * @example\n     *\n     *      R.is(Object, {}); //=> true\n     *      R.is(Number, 1); //=> true\n     *      R.is(Object, 1); //=> false\n     *      R.is(String, 's'); //=> true\n     *      R.is(String, new String('')); //=> true\n     *      R.is(Object, new String('')); //=> true\n     *      R.is(Object, 's'); //=> false\n     *      R.is(Number, {}); //=> false\n     */\n    var is = _curry2(function is(Ctor, val) {\n        return val != null && val.constructor === Ctor || val instanceof Ctor;\n    });\n\n    /**\n     * Tests whether or not an object is similar to an array.\n     *\n     * @func\n     * @memberOf R\n     * @since v0.5.0\n     * @category Type\n     * @category List\n     * @sig * -> Boolean\n     * @param {*} x The object to test.\n     * @return {Boolean} `true` if `x` has a numeric length property and extreme indices defined; `false` otherwise.\n     * @example\n     *\n     *      R.isArrayLike([]); //=> true\n     *      R.isArrayLike(true); //=> false\n     *      R.isArrayLike({}); //=> false\n     *      R.isArrayLike({length: 10}); //=> false\n     *      R.isArrayLike({0: 'zero', 9: 'nine', length: 10}); //=> true\n     */\n    var isArrayLike = _curry1(function isArrayLike(x) {\n        if (_isArray(x)) {\n            return true;\n        }\n        if (!x) {\n            return false;\n        }\n        if (typeof x !== 'object') {\n            return false;\n        }\n        if (_isString(x)) {\n            return false;\n        }\n        if (x.nodeType === 1) {\n            return !!x.length;\n        }\n        if (x.length === 0) {\n            return true;\n        }\n        if (x.length > 0) {\n            return x.hasOwnProperty(0) && x.hasOwnProperty(x.length - 1);\n        }\n        return false;\n    });\n\n    /**\n     * Checks if the input value is `null` or `undefined`.\n     *\n     * @func\n     * @memberOf R\n     * @since v0.9.0\n     * @category Type\n     * @sig * -> Boolean\n     * @param {*} x The value to test.\n     * @return {Boolean} `true` if `x` is `undefined` or `null`, otherwise `false`.\n     * @example\n     *\n     *      R.isNil(null); //=> true\n     *      R.isNil(undefined); //=> true\n     *      R.isNil(0); //=> false\n     *      R.isNil([]); //=> false\n     */\n    var isNil = _curry1(function isNil(x) {\n        return x == null;\n    });\n\n    /**\n     * Returns a list containing the names of all the enumerable own properties of\n     * the supplied object.\n     * Note that the order of the output array is not guaranteed to be consistent\n     * across different JS platforms.\n     *\n     * @func\n     * @memberOf R\n     * @since v0.1.0\n     * @category Object\n     * @sig {k: v} -> [k]\n     * @param {Object} obj The object to extract properties from\n     * @return {Array} An array of the object's own properties.\n     * @example\n     *\n     *      R.keys({a: 1, b: 2, c: 3}); //=> ['a', 'b', 'c']\n     */\n    // cover IE < 9 keys issues\n    // Safari bug\n    var keys = function () {\n        // cover IE < 9 keys issues\n        var hasEnumBug = !{ toString: null }.propertyIsEnumerable('toString');\n        var nonEnumerableProps = [\n            'constructor',\n            'valueOf',\n            'isPrototypeOf',\n            'toString',\n            'propertyIsEnumerable',\n            'hasOwnProperty',\n            'toLocaleString'\n        ];\n        // Safari bug\n        var hasArgsEnumBug = function () {\n            'use strict';\n            return arguments.propertyIsEnumerable('length');\n        }();\n        var contains = function contains(list, item) {\n            var idx = 0;\n            while (idx < list.length) {\n                if (list[idx] === item) {\n                    return true;\n                }\n                idx += 1;\n            }\n            return false;\n        };\n        return typeof Object.keys === 'function' && !hasArgsEnumBug ? _curry1(function keys(obj) {\n            return Object(obj) !== obj ? [] : Object.keys(obj);\n        }) : _curry1(function keys(obj) {\n            if (Object(obj) !== obj) {\n                return [];\n            }\n            var prop, nIdx;\n            var ks = [];\n            var checkArgsLength = hasArgsEnumBug && _isArguments(obj);\n            for (prop in obj) {\n                if (_has(prop, obj) && (!checkArgsLength || prop !== 'length')) {\n                    ks[ks.length] = prop;\n                }\n            }\n            if (hasEnumBug) {\n                nIdx = nonEnumerableProps.length - 1;\n                while (nIdx >= 0) {\n                    prop = nonEnumerableProps[nIdx];\n                    if (_has(prop, obj) && !contains(ks, prop)) {\n                        ks[ks.length] = prop;\n                    }\n                    nIdx -= 1;\n                }\n            }\n            return ks;\n        });\n    }();\n\n    /**\n     * Returns a list containing the names of all the properties of the supplied\n     * object, including prototype properties.\n     * Note that the order of the output array is not guaranteed to be consistent\n     * across different JS platforms.\n     *\n     * @func\n     * @memberOf R\n     * @since v0.2.0\n     * @category Object\n     * @sig {k: v} -> [k]\n     * @param {Object} obj The object to extract properties from\n     * @return {Array} An array of the object's own and prototype properties.\n     * @example\n     *\n     *      var F = function() { this.x = 'X'; };\n     *      F.prototype.y = 'Y';\n     *      var f = new F();\n     *      R.keysIn(f); //=> ['x', 'y']\n     */\n    var keysIn = _curry1(function keysIn(obj) {\n        var prop;\n        var ks = [];\n        for (prop in obj) {\n            ks[ks.length] = prop;\n        }\n        return ks;\n    });\n\n    /**\n     * Returns the number of elements in the array by returning `list.length`.\n     *\n     * @func\n     * @memberOf R\n     * @since v0.3.0\n     * @category List\n     * @sig [a] -> Number\n     * @param {Array} list The array to inspect.\n     * @return {Number} The length of the array.\n     * @example\n     *\n     *      R.length([]); //=> 0\n     *      R.length([1, 2, 3]); //=> 3\n     */\n    var length = _curry1(function length(list) {\n        return list != null && _isNumber(list.length) ? list.length : NaN;\n    });\n\n    /**\n     * Returns `true` if the first argument is less than the second; `false`\n     * otherwise.\n     *\n     * @func\n     * @memberOf R\n     * @since v0.1.0\n     * @category Relation\n     * @sig Ord a => a -> a -> Boolean\n     * @param {*} a\n     * @param {*} b\n     * @return {Boolean}\n     * @see R.gt\n     * @example\n     *\n     *      R.lt(2, 1); //=> false\n     *      R.lt(2, 2); //=> false\n     *      R.lt(2, 3); //=> true\n     *      R.lt('a', 'z'); //=> true\n     *      R.lt('z', 'a'); //=> false\n     */\n    var lt = _curry2(function lt(a, b) {\n        return a < b;\n    });\n\n    /**\n     * Returns `true` if the first argument is less than or equal to the second;\n     * `false` otherwise.\n     *\n     * @func\n     * @memberOf R\n     * @since v0.1.0\n     * @category Relation\n     * @sig Ord a => a -> a -> Boolean\n     * @param {Number} a\n     * @param {Number} b\n     * @return {Boolean}\n     * @see R.gte\n     * @example\n     *\n     *      R.lte(2, 1); //=> false\n     *      R.lte(2, 2); //=> true\n     *      R.lte(2, 3); //=> true\n     *      R.lte('a', 'z'); //=> true\n     *      R.lte('z', 'a'); //=> false\n     */\n    var lte = _curry2(function lte(a, b) {\n        return a <= b;\n    });\n\n    /**\n     * The mapAccum function behaves like a combination of map and reduce; it\n     * applies a function to each element of a list, passing an accumulating\n     * parameter from left to right, and returning a final value of this\n     * accumulator together with the new list.\n     *\n     * The iterator function receives two arguments, *acc* and *value*, and should\n     * return a tuple *[acc, value]*.\n     *\n     * @func\n     * @memberOf R\n     * @since v0.10.0\n     * @category List\n     * @sig (acc -> x -> (acc, y)) -> acc -> [x] -> (acc, [y])\n     * @param {Function} fn The function to be called on every element of the input `list`.\n     * @param {*} acc The accumulator value.\n     * @param {Array} list The list to iterate over.\n     * @return {*} The final, accumulated value.\n     * @see R.addIndex\n     * @example\n     *\n     *      var digits = ['1', '2', '3', '4'];\n     *      var appender = (a, b) => [a + b, a + b];\n     *\n     *      R.mapAccum(appender, 0, digits); //=> ['01234', ['01', '012', '0123', '01234']]\n     */\n    var mapAccum = _curry3(function mapAccum(fn, acc, list) {\n        var idx = 0;\n        var len = list.length;\n        var result = [];\n        var tuple = [acc];\n        while (idx < len) {\n            tuple = fn(tuple[0], list[idx]);\n            result[idx] = tuple[1];\n            idx += 1;\n        }\n        return [\n            tuple[0],\n            result\n        ];\n    });\n\n    /**\n     * The mapAccumRight function behaves like a combination of map and reduce; it\n     * applies a function to each element of a list, passing an accumulating\n     * parameter from right to left, and returning a final value of this\n     * accumulator together with the new list.\n     *\n     * Similar to `mapAccum`, except moves through the input list from the right to\n     * the left.\n     *\n     * The iterator function receives two arguments, *acc* and *value*, and should\n     * return a tuple *[acc, value]*.\n     *\n     * @func\n     * @memberOf R\n     * @since v0.10.0\n     * @category List\n     * @sig (acc -> x -> (acc, y)) -> acc -> [x] -> (acc, [y])\n     * @param {Function} fn The function to be called on every element of the input `list`.\n     * @param {*} acc The accumulator value.\n     * @param {Array} list The list to iterate over.\n     * @return {*} The final, accumulated value.\n     * @see R.addIndex\n     * @example\n     *\n     *      var digits = ['1', '2', '3', '4'];\n     *      var append = (a, b) => [a + b, a + b];\n     *\n     *      R.mapAccumRight(append, 0, digits); //=> ['04321', ['04321', '0432', '043', '04']]\n     */\n    var mapAccumRight = _curry3(function mapAccumRight(fn, acc, list) {\n        var idx = list.length - 1;\n        var result = [];\n        var tuple = [acc];\n        while (idx >= 0) {\n            tuple = fn(tuple[0], list[idx]);\n            result[idx] = tuple[1];\n            idx -= 1;\n        }\n        return [\n            tuple[0],\n            result\n        ];\n    });\n\n    /**\n     * Tests a regular expression against a String. Note that this function will\n     * return an empty array when there are no matches. This differs from\n     * [`String.prototype.match`](https://developer.mozilla.org/en-US/docs/Web/JavaScript/Reference/Global_Objects/String/match)\n     * which returns `null` when there are no matches.\n     *\n     * @func\n     * @memberOf R\n     * @since v0.1.0\n     * @category String\n     * @sig RegExp -> String -> [String | Undefined]\n     * @param {RegExp} rx A regular expression.\n     * @param {String} str The string to match against\n     * @return {Array} The list of matches or empty array.\n     * @see R.test\n     * @example\n     *\n     *      R.match(/([a-z]a)/g, 'bananas'); //=> ['ba', 'na', 'na']\n     *      R.match(/a/, 'b'); //=> []\n     *      R.match(/a/, null); //=> TypeError: null does not have a method named \"match\"\n     */\n    var match = _curry2(function match(rx, str) {\n        return str.match(rx) || [];\n    });\n\n    /**\n     * mathMod behaves like the modulo operator should mathematically, unlike the\n     * `%` operator (and by extension, R.modulo). So while \"-17 % 5\" is -2,\n     * mathMod(-17, 5) is 3. mathMod requires Integer arguments, and returns NaN\n     * when the modulus is zero or negative.\n     *\n     * @func\n     * @memberOf R\n     * @since v0.3.0\n     * @category Math\n     * @sig Number -> Number -> Number\n     * @param {Number} m The dividend.\n     * @param {Number} p the modulus.\n     * @return {Number} The result of `b mod a`.\n     * @example\n     *\n     *      R.mathMod(-17, 5);  //=> 3\n     *      R.mathMod(17, 5);   //=> 2\n     *      R.mathMod(17, -5);  //=> NaN\n     *      R.mathMod(17, 0);   //=> NaN\n     *      R.mathMod(17.2, 5); //=> NaN\n     *      R.mathMod(17, 5.3); //=> NaN\n     *\n     *      var clock = R.mathMod(R.__, 12);\n     *      clock(15); //=> 3\n     *      clock(24); //=> 0\n     *\n     *      var seventeenMod = R.mathMod(17);\n     *      seventeenMod(3);  //=> 2\n     *      seventeenMod(4);  //=> 1\n     *      seventeenMod(10); //=> 7\n     */\n    var mathMod = _curry2(function mathMod(m, p) {\n        if (!_isInteger(m)) {\n            return NaN;\n        }\n        if (!_isInteger(p) || p < 1) {\n            return NaN;\n        }\n        return (m % p + p) % p;\n    });\n\n    /**\n     * Returns the larger of its two arguments.\n     *\n     * @func\n     * @memberOf R\n     * @since v0.1.0\n     * @category Relation\n     * @sig Ord a => a -> a -> a\n     * @param {*} a\n     * @param {*} b\n     * @return {*}\n     * @see R.maxBy, R.min\n     * @example\n     *\n     *      R.max(789, 123); //=> 789\n     *      R.max('a', 'b'); //=> 'b'\n     */\n    var max = _curry2(function max(a, b) {\n        return b > a ? b : a;\n    });\n\n    /**\n     * Takes a function and two values, and returns whichever value produces the\n     * larger result when passed to the provided function.\n     *\n     * @func\n     * @memberOf R\n     * @since v0.8.0\n     * @category Relation\n     * @sig Ord b => (a -> b) -> a -> a -> a\n     * @param {Function} f\n     * @param {*} a\n     * @param {*} b\n     * @return {*}\n     * @see R.max, R.minBy\n     * @example\n     *\n     *      //  square :: Number -> Number\n     *      var square = n => n * n;\n     *\n     *      R.maxBy(square, -3, 2); //=> -3\n     *\n     *      R.reduce(R.maxBy(square), 0, [3, -5, 4, 1, -2]); //=> -5\n     *      R.reduce(R.maxBy(square), 0, []); //=> 0\n     */\n    var maxBy = _curry3(function maxBy(f, a, b) {\n        return f(b) > f(a) ? b : a;\n    });\n\n    /**\n     * Create a new object with the own properties of the first object merged with\n     * the own properties of the second object. If a key exists in both objects,\n     * the value from the second object will be used.\n     *\n     * @func\n     * @memberOf R\n     * @since v0.1.0\n     * @category Object\n     * @sig {k: v} -> {k: v} -> {k: v}\n     * @param {Object} l\n     * @param {Object} r\n     * @return {Object}\n     * @see R.mergeWith, R.mergeWithKey\n     * @example\n     *\n     *      R.merge({ 'name': 'fred', 'age': 10 }, { 'age': 40 });\n     *      //=> { 'name': 'fred', 'age': 40 }\n     *\n     *      var resetToDefault = R.merge(R.__, {x: 0});\n     *      resetToDefault({x: 5, y: 2}); //=> {x: 0, y: 2}\n     */\n    var merge = _curry2(function merge(l, r) {\n        return _assign({}, l, r);\n    });\n\n    /**\n     * Merges a list of objects together into one object.\n     *\n     * @func\n     * @memberOf R\n     * @since v0.10.0\n     * @category List\n     * @sig [{k: v}] -> {k: v}\n     * @param {Array} list An array of objects\n     * @return {Object} A merged object.\n     * @see R.reduce\n     * @example\n     *\n     *      R.mergeAll([{foo:1},{bar:2},{baz:3}]); //=> {foo:1,bar:2,baz:3}\n     *      R.mergeAll([{foo:1},{foo:2},{bar:2}]); //=> {foo:2,bar:2}\n     */\n    var mergeAll = _curry1(function mergeAll(list) {\n        return _assign.apply(null, [{}].concat(list));\n    });\n\n    /**\n     * Creates a new object with the own properties of the two provided objects. If\n     * a key exists in both objects, the provided function is applied to the key\n     * and the values associated with the key in each object, with the result being\n     * used as the value associated with the key in the returned object. The key\n     * will be excluded from the returned object if the resulting value is\n     * `undefined`.\n     *\n     * @func\n     * @memberOf R\n     * @since v0.19.0\n     * @category Object\n     * @sig (String -> a -> a -> a) -> {a} -> {a} -> {a}\n     * @param {Function} fn\n     * @param {Object} l\n     * @param {Object} r\n     * @return {Object}\n     * @see R.merge, R.mergeWith\n     * @example\n     *\n     *      let concatValues = (k, l, r) => k == 'values' ? R.concat(l, r) : r\n     *      R.mergeWithKey(concatValues,\n     *                     { a: true, thing: 'foo', values: [10, 20] },\n     *                     { b: true, thing: 'bar', values: [15, 35] });\n     *      //=> { a: true, b: true, thing: 'bar', values: [10, 20, 15, 35] }\n     */\n    var mergeWithKey = _curry3(function mergeWithKey(fn, l, r) {\n        var result = {};\n        var k;\n        for (k in l) {\n            if (_has(k, l)) {\n                result[k] = _has(k, r) ? fn(k, l[k], r[k]) : l[k];\n            }\n        }\n        for (k in r) {\n            if (_has(k, r) && !_has(k, result)) {\n                result[k] = r[k];\n            }\n        }\n        return result;\n    });\n\n    /**\n     * Returns the smaller of its two arguments.\n     *\n     * @func\n     * @memberOf R\n     * @since v0.1.0\n     * @category Relation\n     * @sig Ord a => a -> a -> a\n     * @param {*} a\n     * @param {*} b\n     * @return {*}\n     * @see R.minBy, R.max\n     * @example\n     *\n     *      R.min(789, 123); //=> 123\n     *      R.min('a', 'b'); //=> 'a'\n     */\n    var min = _curry2(function min(a, b) {\n        return b < a ? b : a;\n    });\n\n    /**\n     * Takes a function and two values, and returns whichever value produces the\n     * smaller result when passed to the provided function.\n     *\n     * @func\n     * @memberOf R\n     * @since v0.8.0\n     * @category Relation\n     * @sig Ord b => (a -> b) -> a -> a -> a\n     * @param {Function} f\n     * @param {*} a\n     * @param {*} b\n     * @return {*}\n     * @see R.min, R.maxBy\n     * @example\n     *\n     *      //  square :: Number -> Number\n     *      var square = n => n * n;\n     *\n     *      R.minBy(square, -3, 2); //=> 2\n     *\n     *      R.reduce(R.minBy(square), Infinity, [3, -5, 4, 1, -2]); //=> 1\n     *      R.reduce(R.minBy(square), Infinity, []); //=> Infinity\n     */\n    var minBy = _curry3(function minBy(f, a, b) {\n        return f(b) < f(a) ? b : a;\n    });\n\n    /**\n     * Divides the first parameter by the second and returns the remainder. Note\n     * that this function preserves the JavaScript-style behavior for modulo. For\n     * mathematical modulo see `mathMod`.\n     *\n     * @func\n     * @memberOf R\n     * @since v0.1.1\n     * @category Math\n     * @sig Number -> Number -> Number\n     * @param {Number} a The value to the divide.\n     * @param {Number} b The pseudo-modulus\n     * @return {Number} The result of `b % a`.\n     * @see R.mathMod\n     * @example\n     *\n     *      R.modulo(17, 3); //=> 2\n     *      // JS behavior:\n     *      R.modulo(-17, 3); //=> -2\n     *      R.modulo(17, -3); //=> 2\n     *\n     *      var isOdd = R.modulo(R.__, 2);\n     *      isOdd(42); //=> 0\n     *      isOdd(21); //=> 1\n     */\n    var modulo = _curry2(function modulo(a, b) {\n        return a % b;\n    });\n\n    /**\n     * Multiplies two numbers. Equivalent to `a * b` but curried.\n     *\n     * @func\n     * @memberOf R\n     * @since v0.1.0\n     * @category Math\n     * @sig Number -> Number -> Number\n     * @param {Number} a The first value.\n     * @param {Number} b The second value.\n     * @return {Number} The result of `a * b`.\n     * @see R.divide\n     * @example\n     *\n     *      var double = R.multiply(2);\n     *      var triple = R.multiply(3);\n     *      double(3);       //=>  6\n     *      triple(4);       //=> 12\n     *      R.multiply(2, 5);  //=> 10\n     */\n    var multiply = _curry2(function multiply(a, b) {\n        return a * b;\n    });\n\n    /**\n     * Wraps a function of any arity (including nullary) in a function that accepts\n     * exactly `n` parameters. Any extraneous parameters will not be passed to the\n     * supplied function.\n     *\n     * @func\n     * @memberOf R\n     * @since v0.1.0\n     * @category Function\n     * @sig Number -> (* -> a) -> (* -> a)\n     * @param {Number} n The desired arity of the new function.\n     * @param {Function} fn The function to wrap.\n     * @return {Function} A new function wrapping `fn`. The new function is guaranteed to be of\n     *         arity `n`.\n     * @example\n     *\n     *      var takesTwoArgs = (a, b) => [a, b];\n     *\n     *      takesTwoArgs.length; //=> 2\n     *      takesTwoArgs(1, 2); //=> [1, 2]\n     *\n     *      var takesOneArg = R.nAry(1, takesTwoArgs);\n     *      takesOneArg.length; //=> 1\n     *      // Only `n` arguments are passed to the wrapped function\n     *      takesOneArg(1, 2); //=> [1, undefined]\n     */\n    var nAry = _curry2(function nAry(n, fn) {\n        switch (n) {\n        case 0:\n            return function () {\n                return fn.call(this);\n            };\n        case 1:\n            return function (a0) {\n                return fn.call(this, a0);\n            };\n        case 2:\n            return function (a0, a1) {\n                return fn.call(this, a0, a1);\n            };\n        case 3:\n            return function (a0, a1, a2) {\n                return fn.call(this, a0, a1, a2);\n            };\n        case 4:\n            return function (a0, a1, a2, a3) {\n                return fn.call(this, a0, a1, a2, a3);\n            };\n        case 5:\n            return function (a0, a1, a2, a3, a4) {\n                return fn.call(this, a0, a1, a2, a3, a4);\n            };\n        case 6:\n            return function (a0, a1, a2, a3, a4, a5) {\n                return fn.call(this, a0, a1, a2, a3, a4, a5);\n            };\n        case 7:\n            return function (a0, a1, a2, a3, a4, a5, a6) {\n                return fn.call(this, a0, a1, a2, a3, a4, a5, a6);\n            };\n        case 8:\n            return function (a0, a1, a2, a3, a4, a5, a6, a7) {\n                return fn.call(this, a0, a1, a2, a3, a4, a5, a6, a7);\n            };\n        case 9:\n            return function (a0, a1, a2, a3, a4, a5, a6, a7, a8) {\n                return fn.call(this, a0, a1, a2, a3, a4, a5, a6, a7, a8);\n            };\n        case 10:\n            return function (a0, a1, a2, a3, a4, a5, a6, a7, a8, a9) {\n                return fn.call(this, a0, a1, a2, a3, a4, a5, a6, a7, a8, a9);\n            };\n        default:\n            throw new Error('First argument to nAry must be a non-negative integer no greater than ten');\n        }\n    });\n\n    /**\n     * Negates its argument.\n     *\n     * @func\n     * @memberOf R\n     * @since v0.9.0\n     * @category Math\n     * @sig Number -> Number\n     * @param {Number} n\n     * @return {Number}\n     * @example\n     *\n     *      R.negate(42); //=> -42\n     */\n    var negate = _curry1(function negate(n) {\n        return -n;\n    });\n\n    /**\n     * Returns `true` if no elements of the list match the predicate, `false`\n     * otherwise.\n     *\n     * Dispatches to the `any` method of the second argument, if present.\n     *\n     * @func\n     * @memberOf R\n     * @since v0.12.0\n     * @category List\n     * @sig (a -> Boolean) -> [a] -> Boolean\n     * @param {Function} fn The predicate function.\n     * @param {Array} list The array to consider.\n     * @return {Boolean} `true` if the predicate is not satisfied by every element, `false` otherwise.\n     * @see R.all, R.any\n     * @example\n     *\n     *      var isEven = n => n % 2 === 0;\n     *\n     *      R.none(isEven, [1, 3, 5, 7, 9, 11]); //=> true\n     *      R.none(isEven, [1, 3, 5, 7, 8, 11]); //=> false\n     */\n    var none = _curry2(_complement(_dispatchable('any', _xany, any)));\n\n    /**\n     * A function that returns the `!` of its argument. It will return `true` when\n     * passed false-y value, and `false` when passed a truth-y one.\n     *\n     * @func\n     * @memberOf R\n     * @since v0.1.0\n     * @category Logic\n     * @sig * -> Boolean\n     * @param {*} a any value\n     * @return {Boolean} the logical inverse of passed argument.\n     * @see R.complement\n     * @example\n     *\n     *      R.not(true); //=> false\n     *      R.not(false); //=> true\n     *      R.not(0); //=> true\n     *      R.not(1); //=> false\n     */\n    var not = _curry1(function not(a) {\n        return !a;\n    });\n\n    /**\n     * Returns the nth element of the given list or string. If n is negative the\n     * element at index length + n is returned.\n     *\n     * @func\n     * @memberOf R\n     * @since v0.1.0\n     * @category List\n     * @sig Number -> [a] -> a | Undefined\n     * @sig Number -> String -> String\n     * @param {Number} offset\n     * @param {*} list\n     * @return {*}\n     * @example\n     *\n     *      var list = ['foo', 'bar', 'baz', 'quux'];\n     *      R.nth(1, list); //=> 'bar'\n     *      R.nth(-1, list); //=> 'quux'\n     *      R.nth(-99, list); //=> undefined\n     *\n     *      R.nth(2, 'abc'); //=> 'c'\n     *      R.nth(3, 'abc'); //=> ''\n     */\n    var nth = _curry2(function nth(offset, list) {\n        var idx = offset < 0 ? list.length + offset : offset;\n        return _isString(list) ? list.charAt(idx) : list[idx];\n    });\n\n    /**\n     * Returns a function which returns its nth argument.\n     *\n     * @func\n     * @memberOf R\n     * @since v0.9.0\n     * @category Function\n     * @sig Number -> *... -> *\n     * @param {Number} n\n     * @return {Function}\n     * @example\n     *\n     *      R.nthArg(1)('a', 'b', 'c'); //=> 'b'\n     *      R.nthArg(-1)('a', 'b', 'c'); //=> 'c'\n     */\n    var nthArg = _curry1(function nthArg(n) {\n        var arity = n < 0 ? 1 : n + 1;\n        return curryN(arity, function () {\n            return nth(n, arguments);\n        });\n    });\n\n    /**\n     * Creates an object containing a single key:value pair.\n     *\n     * @func\n     * @memberOf R\n     * @since v0.18.0\n     * @category Object\n     * @sig String -> a -> {String:a}\n     * @param {String} key\n     * @param {*} val\n     * @return {Object}\n     * @see R.pair\n     * @example\n     *\n     *      var matchPhrases = R.compose(\n     *        R.objOf('must'),\n     *        R.map(R.objOf('match_phrase'))\n     *      );\n     *      matchPhrases(['foo', 'bar', 'baz']); //=> {must: [{match_phrase: 'foo'}, {match_phrase: 'bar'}, {match_phrase: 'baz'}]}\n     */\n    var objOf = _curry2(function objOf(key, val) {\n        var obj = {};\n        obj[key] = val;\n        return obj;\n    });\n\n    /**\n     * Returns a singleton array containing the value provided.\n     *\n     * Note this `of` is different from the ES6 `of`; See\n     * https://developer.mozilla.org/en-US/docs/Web/JavaScript/Reference/Global_Objects/Array/of\n     *\n     * @func\n     * @memberOf R\n     * @since v0.3.0\n     * @category Function\n     * @sig a -> [a]\n     * @param {*} x any value\n     * @return {Array} An array wrapping `x`.\n     * @example\n     *\n     *      R.of(null); //=> [null]\n     *      R.of([42]); //=> [[42]]\n     */\n    var of = _curry1(_of);\n\n    /**\n     * Accepts a function `fn` and returns a function that guards invocation of\n     * `fn` such that `fn` can only ever be called once, no matter how many times\n     * the returned function is invoked. The first value calculated is returned in\n     * subsequent invocations.\n     *\n     * @func\n     * @memberOf R\n     * @since v0.1.0\n     * @category Function\n     * @sig (a... -> b) -> (a... -> b)\n     * @param {Function} fn The function to wrap in a call-only-once wrapper.\n     * @return {Function} The wrapped function.\n     * @example\n     *\n     *      var addOneOnce = R.once(x => x + 1);\n     *      addOneOnce(10); //=> 11\n     *      addOneOnce(addOneOnce(50)); //=> 11\n     */\n    var once = _curry1(function once(fn) {\n        var called = false;\n        var result;\n        return _arity(fn.length, function () {\n            if (called) {\n                return result;\n            }\n            called = true;\n            result = fn.apply(this, arguments);\n            return result;\n        });\n    });\n\n    /**\n     * Returns `true` if one or both of its arguments are `true`. Returns `false`\n     * if both arguments are `false`.\n     *\n     * @func\n     * @memberOf R\n     * @since v0.1.0\n     * @category Logic\n     * @sig * -> * -> *\n     * @param {Boolean} a A boolean value\n     * @param {Boolean} b A boolean value\n     * @return {Boolean} `true` if one or both arguments are `true`, `false` otherwise\n     * @see R.either\n     * @example\n     *\n     *      R.or(true, true); //=> true\n     *      R.or(true, false); //=> true\n     *      R.or(false, true); //=> true\n     *      R.or(false, false); //=> false\n     */\n    var or = _curry2(function or(a, b) {\n        return a || b;\n    });\n\n    /**\n     * Returns the result of \"setting\" the portion of the given data structure\n     * focused by the given lens to the result of applying the given function to\n     * the focused value.\n     *\n     * @func\n     * @memberOf R\n     * @since v0.16.0\n     * @category Object\n     * @typedefn Lens s a = Functor f => (a -> f a) -> s -> f s\n     * @sig Lens s a -> (a -> a) -> s -> s\n     * @param {Lens} lens\n     * @param {*} v\n     * @param {*} x\n     * @return {*}\n     * @see R.prop, R.lensIndex, R.lensProp\n     * @example\n     *\n     *      var headLens = R.lensIndex(0);\n     *\n     *      R.over(headLens, R.toUpper, ['foo', 'bar', 'baz']); //=> ['FOO', 'bar', 'baz']\n     */\n    // `Identity` is a functor that holds a single value, where `map` simply\n    // transforms the held value with the provided function.\n    // The value returned by the getter function is first transformed with `f`,\n    // then set as the value of an `Identity`. This is then mapped over with the\n    // setter function of the lens.\n    var over = function () {\n        // `Identity` is a functor that holds a single value, where `map` simply\n        // transforms the held value with the provided function.\n        var Identity = function (x) {\n            return {\n                value: x,\n                map: function (f) {\n                    return Identity(f(x));\n                }\n            };\n        };\n        return _curry3(function over(lens, f, x) {\n            // The value returned by the getter function is first transformed with `f`,\n            // then set as the value of an `Identity`. This is then mapped over with the\n            // setter function of the lens.\n            return lens(function (y) {\n                return Identity(f(y));\n            })(x).value;\n        });\n    }();\n\n    /**\n     * Takes two arguments, `fst` and `snd`, and returns `[fst, snd]`.\n     *\n     * @func\n     * @memberOf R\n     * @since v0.18.0\n     * @category List\n     * @sig a -> b -> (a,b)\n     * @param {*} fst\n     * @param {*} snd\n     * @return {Array}\n     * @see R.objOf, R.of\n     * @example\n     *\n     *      R.pair('foo', 'bar'); //=> ['foo', 'bar']\n     */\n    var pair = _curry2(function pair(fst, snd) {\n        return [\n            fst,\n            snd\n        ];\n    });\n\n    /**\n     * Retrieve the value at a given path.\n     *\n     * @func\n     * @memberOf R\n     * @since v0.2.0\n     * @category Object\n     * @sig [String] -> {k: v} -> v | Undefined\n     * @param {Array} path The path to use.\n     * @param {Object} obj The object to retrieve the nested property from.\n     * @return {*} The data at `path`.\n     * @see R.prop\n     * @example\n     *\n     *      R.path(['a', 'b'], {a: {b: 2}}); //=> 2\n     *      R.path(['a', 'b'], {c: {b: 2}}); //=> undefined\n     */\n    var path = _curry2(function path(paths, obj) {\n        var val = obj;\n        var idx = 0;\n        while (idx < paths.length) {\n            if (val == null) {\n                return;\n            }\n            val = val[paths[idx]];\n            idx += 1;\n        }\n        return val;\n    });\n\n    /**\n     * If the given, non-null object has a value at the given path, returns the\n     * value at that path. Otherwise returns the provided default value.\n     *\n     * @func\n     * @memberOf R\n     * @since v0.18.0\n     * @category Object\n     * @sig a -> [String] -> Object -> a\n     * @param {*} d The default value.\n     * @param {Array} p The path to use.\n     * @param {Object} obj The object to retrieve the nested property from.\n     * @return {*} The data at `path` of the supplied object or the default value.\n     * @example\n     *\n     *      R.pathOr('N/A', ['a', 'b'], {a: {b: 2}}); //=> 2\n     *      R.pathOr('N/A', ['a', 'b'], {c: {b: 2}}); //=> \"N/A\"\n     */\n    var pathOr = _curry3(function pathOr(d, p, obj) {\n        return defaultTo(d, path(p, obj));\n    });\n\n    /**\n     * Returns `true` if the specified object property at given path satisfies the\n     * given predicate; `false` otherwise.\n     *\n     * @func\n     * @memberOf R\n     * @since v0.19.0\n     * @category Logic\n     * @sig (a -> Boolean) -> [String] -> Object -> Boolean\n     * @param {Function} pred\n     * @param {Array} propPath\n     * @param {*} obj\n     * @return {Boolean}\n     * @see R.propSatisfies, R.path\n     * @example\n     *\n     *      R.pathSatisfies(y => y > 0, ['x', 'y'], {x: {y: 2}}); //=> true\n     */\n    var pathSatisfies = _curry3(function pathSatisfies(pred, propPath, obj) {\n        return propPath.length > 0 && pred(path(propPath, obj));\n    });\n\n    /**\n     * Returns a partial copy of an object containing only the keys specified. If\n     * the key does not exist, the property is ignored.\n     *\n     * @func\n     * @memberOf R\n     * @since v0.1.0\n     * @category Object\n     * @sig [k] -> {k: v} -> {k: v}\n     * @param {Array} names an array of String property names to copy onto a new object\n     * @param {Object} obj The object to copy from\n     * @return {Object} A new object with only properties from `names` on it.\n     * @see R.omit, R.props\n     * @example\n     *\n     *      R.pick(['a', 'd'], {a: 1, b: 2, c: 3, d: 4}); //=> {a: 1, d: 4}\n     *      R.pick(['a', 'e', 'f'], {a: 1, b: 2, c: 3, d: 4}); //=> {a: 1}\n     */\n    var pick = _curry2(function pick(names, obj) {\n        var result = {};\n        var idx = 0;\n        while (idx < names.length) {\n            if (names[idx] in obj) {\n                result[names[idx]] = obj[names[idx]];\n            }\n            idx += 1;\n        }\n        return result;\n    });\n\n    /**\n     * Similar to `pick` except that this one includes a `key: undefined` pair for\n     * properties that don't exist.\n     *\n     * @func\n     * @memberOf R\n     * @since v0.1.0\n     * @category Object\n     * @sig [k] -> {k: v} -> {k: v}\n     * @param {Array} names an array of String property names to copy onto a new object\n     * @param {Object} obj The object to copy from\n     * @return {Object} A new object with only properties from `names` on it.\n     * @see R.pick\n     * @example\n     *\n     *      R.pickAll(['a', 'd'], {a: 1, b: 2, c: 3, d: 4}); //=> {a: 1, d: 4}\n     *      R.pickAll(['a', 'e', 'f'], {a: 1, b: 2, c: 3, d: 4}); //=> {a: 1, e: undefined, f: undefined}\n     */\n    var pickAll = _curry2(function pickAll(names, obj) {\n        var result = {};\n        var idx = 0;\n        var len = names.length;\n        while (idx < len) {\n            var name = names[idx];\n            result[name] = obj[name];\n            idx += 1;\n        }\n        return result;\n    });\n\n    /**\n     * Returns a partial copy of an object containing only the keys that satisfy\n     * the supplied predicate.\n     *\n     * @func\n     * @memberOf R\n     * @since v0.8.0\n     * @category Object\n     * @sig (v, k -> Boolean) -> {k: v} -> {k: v}\n     * @param {Function} pred A predicate to determine whether or not a key\n     *        should be included on the output object.\n     * @param {Object} obj The object to copy from\n     * @return {Object} A new object with only properties that satisfy `pred`\n     *         on it.\n     * @see R.pick, R.filter\n     * @example\n     *\n     *      var isUpperCase = (val, key) => key.toUpperCase() === key;\n     *      R.pickBy(isUpperCase, {a: 1, b: 2, A: 3, B: 4}); //=> {A: 3, B: 4}\n     */\n    var pickBy = _curry2(function pickBy(test, obj) {\n        var result = {};\n        for (var prop in obj) {\n            if (test(obj[prop], prop, obj)) {\n                result[prop] = obj[prop];\n            }\n        }\n        return result;\n    });\n\n    /**\n     * Returns a new list with the given element at the front, followed by the\n     * contents of the list.\n     *\n     * @func\n     * @memberOf R\n     * @since v0.1.0\n     * @category List\n     * @sig a -> [a] -> [a]\n     * @param {*} el The item to add to the head of the output list.\n     * @param {Array} list The array to add to the tail of the output list.\n     * @return {Array} A new array.\n     * @see R.append\n     * @example\n     *\n     *      R.prepend('fee', ['fi', 'fo', 'fum']); //=> ['fee', 'fi', 'fo', 'fum']\n     */\n    var prepend = _curry2(function prepend(el, list) {\n        return _concat([el], list);\n    });\n\n    /**\n     * Returns a function that when supplied an object returns the indicated\n     * property of that object, if it exists.\n     *\n     * @func\n     * @memberOf R\n     * @since v0.1.0\n     * @category Object\n     * @sig s -> {s: a} -> a | Undefined\n     * @param {String} p The property name\n     * @param {Object} obj The object to query\n     * @return {*} The value at `obj.p`.\n     * @see R.path\n     * @example\n     *\n     *      R.prop('x', {x: 100}); //=> 100\n     *      R.prop('x', {}); //=> undefined\n     */\n    var prop = _curry2(function prop(p, obj) {\n        return obj[p];\n    });\n\n    /**\n     * Returns `true` if the specified object property is of the given type;\n     * `false` otherwise.\n     *\n     * @func\n     * @memberOf R\n     * @since v0.16.0\n     * @category Type\n     * @sig Type -> String -> Object -> Boolean\n     * @param {Function} type\n     * @param {String} name\n     * @param {*} obj\n     * @return {Boolean}\n     * @see R.is, R.propSatisfies\n     * @example\n     *\n     *      R.propIs(Number, 'x', {x: 1, y: 2});  //=> true\n     *      R.propIs(Number, 'x', {x: 'foo'});    //=> false\n     *      R.propIs(Number, 'x', {});            //=> false\n     */\n    var propIs = _curry3(function propIs(type, name, obj) {\n        return is(type, obj[name]);\n    });\n\n    /**\n     * If the given, non-null object has an own property with the specified name,\n     * returns the value of that property. Otherwise returns the provided default\n     * value.\n     *\n     * @func\n     * @memberOf R\n     * @since v0.6.0\n     * @category Object\n     * @sig a -> String -> Object -> a\n     * @param {*} val The default value.\n     * @param {String} p The name of the property to return.\n     * @param {Object} obj The object to query.\n     * @return {*} The value of given property of the supplied object or the default value.\n     * @example\n     *\n     *      var alice = {\n     *        name: 'ALICE',\n     *        age: 101\n     *      };\n     *      var favorite = R.prop('favoriteLibrary');\n     *      var favoriteWithDefault = R.propOr('Ramda', 'favoriteLibrary');\n     *\n     *      favorite(alice);  //=> undefined\n     *      favoriteWithDefault(alice);  //=> 'Ramda'\n     */\n    var propOr = _curry3(function propOr(val, p, obj) {\n        return obj != null && _has(p, obj) ? obj[p] : val;\n    });\n\n    /**\n     * Returns `true` if the specified object property satisfies the given\n     * predicate; `false` otherwise.\n     *\n     * @func\n     * @memberOf R\n     * @since v0.16.0\n     * @category Logic\n     * @sig (a -> Boolean) -> String -> {String: a} -> Boolean\n     * @param {Function} pred\n     * @param {String} name\n     * @param {*} obj\n     * @return {Boolean}\n     * @see R.propEq, R.propIs\n     * @example\n     *\n     *      R.propSatisfies(x => x > 0, 'x', {x: 1, y: 2}); //=> true\n     */\n    var propSatisfies = _curry3(function propSatisfies(pred, name, obj) {\n        return pred(obj[name]);\n    });\n\n    /**\n     * Acts as multiple `prop`: array of keys in, array of values out. Preserves\n     * order.\n     *\n     * @func\n     * @memberOf R\n     * @since v0.1.0\n     * @category Object\n     * @sig [k] -> {k: v} -> [v]\n     * @param {Array} ps The property names to fetch\n     * @param {Object} obj The object to query\n     * @return {Array} The corresponding values or partially applied function.\n     * @example\n     *\n     *      R.props(['x', 'y'], {x: 1, y: 2}); //=> [1, 2]\n     *      R.props(['c', 'a', 'b'], {b: 2, a: 1}); //=> [undefined, 1, 2]\n     *\n     *      var fullName = R.compose(R.join(' '), R.props(['first', 'last']));\n     *      fullName({last: 'Bullet-Tooth', age: 33, first: 'Tony'}); //=> 'Tony Bullet-Tooth'\n     */\n    var props = _curry2(function props(ps, obj) {\n        var len = ps.length;\n        var out = [];\n        var idx = 0;\n        while (idx < len) {\n            out[idx] = obj[ps[idx]];\n            idx += 1;\n        }\n        return out;\n    });\n\n    /**\n     * Returns a list of numbers from `from` (inclusive) to `to` (exclusive).\n     *\n     * @func\n     * @memberOf R\n     * @since v0.1.0\n     * @category List\n     * @sig Number -> Number -> [Number]\n     * @param {Number} from The first number in the list.\n     * @param {Number} to One more than the last number in the list.\n     * @return {Array} The list of numbers in tthe set `[a, b)`.\n     * @example\n     *\n     *      R.range(1, 5);    //=> [1, 2, 3, 4]\n     *      R.range(50, 53);  //=> [50, 51, 52]\n     */\n    var range = _curry2(function range(from, to) {\n        if (!(_isNumber(from) && _isNumber(to))) {\n            throw new TypeError('Both arguments to range must be numbers');\n        }\n        var result = [];\n        var n = from;\n        while (n < to) {\n            result.push(n);\n            n += 1;\n        }\n        return result;\n    });\n\n    /**\n     * Returns a single item by iterating through the list, successively calling\n     * the iterator function and passing it an accumulator value and the current\n     * value from the array, and then passing the result to the next call.\n     *\n     * Similar to `reduce`, except moves through the input list from the right to\n     * the left.\n     *\n     * The iterator function receives two values: *(acc, value)*\n     *\n     * Note: `R.reduceRight` does not skip deleted or unassigned indices (sparse\n     * arrays), unlike the native `Array.prototype.reduce` method. For more details\n     * on this behavior, see:\n     * https://developer.mozilla.org/en-US/docs/Web/JavaScript/Reference/Global_Objects/Array/reduceRight#Description\n     *\n     * @func\n     * @memberOf R\n     * @since v0.1.0\n     * @category List\n     * @sig (a,b -> a) -> a -> [b] -> a\n     * @param {Function} fn The iterator function. Receives two values, the accumulator and the\n     *        current element from the array.\n     * @param {*} acc The accumulator value.\n     * @param {Array} list The list to iterate over.\n     * @return {*} The final, accumulated value.\n     * @see R.addIndex\n     * @example\n     *\n     *      var pairs = [ ['a', 1], ['b', 2], ['c', 3] ];\n     *      var flattenPairs = (acc, pair) => acc.concat(pair);\n     *\n     *      R.reduceRight(flattenPairs, [], pairs); //=> [ 'c', 3, 'b', 2, 'a', 1 ]\n     */\n    var reduceRight = _curry3(function reduceRight(fn, acc, list) {\n        var idx = list.length - 1;\n        while (idx >= 0) {\n            acc = fn(acc, list[idx]);\n            idx -= 1;\n        }\n        return acc;\n    });\n\n    /**\n     * Returns a value wrapped to indicate that it is the final value of the reduce\n     * and transduce functions. The returned value should be considered a black\n     * box: the internal structure is not guaranteed to be stable.\n     *\n     * Note: this optimization is unavailable to functions not explicitly listed\n     * above. For instance, it is not currently supported by reduceRight.\n     *\n     * @func\n     * @memberOf R\n     * @since v0.15.0\n     * @category List\n     * @sig a -> *\n     * @param {*} x The final value of the reduce.\n     * @return {*} The wrapped value.\n     * @see R.reduce, R.transduce\n     * @example\n     *\n     *      R.reduce(\n     *        R.pipe(R.add, R.when(R.gte(R.__, 10), R.reduced)),\n     *        0,\n     *        [1, 2, 3, 4, 5]) // 10\n     */\n    var reduced = _curry1(_reduced);\n\n    /**\n     * Removes the sub-list of `list` starting at index `start` and containing\n     * `count` elements. _Note that this is not destructive_: it returns a copy of\n     * the list with the changes.\n     * <small>No lists have been harmed in the application of this function.</small>\n     *\n     * @func\n     * @memberOf R\n     * @since v0.2.2\n     * @category List\n     * @sig Number -> Number -> [a] -> [a]\n     * @param {Number} start The position to start removing elements\n     * @param {Number} count The number of elements to remove\n     * @param {Array} list The list to remove from\n     * @return {Array} A new Array with `count` elements from `start` removed.\n     * @example\n     *\n     *      R.remove(2, 3, [1,2,3,4,5,6,7,8]); //=> [1,2,6,7,8]\n     */\n    var remove = _curry3(function remove(start, count, list) {\n        return _concat(_slice(list, 0, Math.min(start, list.length)), _slice(list, Math.min(list.length, start + count)));\n    });\n\n    /**\n     * Replace a substring or regex match in a string with a replacement.\n     *\n     * @func\n     * @memberOf R\n     * @since v0.7.0\n     * @category String\n     * @sig RegExp|String -> String -> String -> String\n     * @param {RegExp|String} pattern A regular expression or a substring to match.\n     * @param {String} replacement The string to replace the matches with.\n     * @param {String} str The String to do the search and replacement in.\n     * @return {String} The result.\n     * @example\n     *\n     *      R.replace('foo', 'bar', 'foo foo foo'); //=> 'bar foo foo'\n     *      R.replace(/foo/, 'bar', 'foo foo foo'); //=> 'bar foo foo'\n     *\n     *      // Use the \"g\" (global) flag to replace all occurrences:\n     *      R.replace(/foo/g, 'bar', 'foo foo foo'); //=> 'bar bar bar'\n     */\n    var replace = _curry3(function replace(regex, replacement, str) {\n        return str.replace(regex, replacement);\n    });\n\n    /**\n     * Returns a new list or string with the elements or characters in reverse\n     * order.\n     *\n     * @func\n     * @memberOf R\n     * @since v0.1.0\n     * @category List\n     * @sig [a] -> [a]\n     * @sig String -> String\n     * @param {Array|String} list\n     * @return {Array|String}\n     * @example\n     *\n     *      R.reverse([1, 2, 3]);  //=> [3, 2, 1]\n     *      R.reverse([1, 2]);     //=> [2, 1]\n     *      R.reverse([1]);        //=> [1]\n     *      R.reverse([]);         //=> []\n     *\n     *      R.reverse('abc');      //=> 'cba'\n     *      R.reverse('ab');       //=> 'ba'\n     *      R.reverse('a');        //=> 'a'\n     *      R.reverse('');         //=> ''\n     */\n    var reverse = _curry1(function reverse(list) {\n        return _isString(list) ? list.split('').reverse().join('') : _slice(list).reverse();\n    });\n\n    /**\n     * Scan is similar to reduce, but returns a list of successively reduced values\n     * from the left\n     *\n     * @func\n     * @memberOf R\n     * @since v0.10.0\n     * @category List\n     * @sig (a,b -> a) -> a -> [b] -> [a]\n     * @param {Function} fn The iterator function. Receives two values, the accumulator and the\n     *        current element from the array\n     * @param {*} acc The accumulator value.\n     * @param {Array} list The list to iterate over.\n     * @return {Array} A list of all intermediately reduced values.\n     * @example\n     *\n     *      var numbers = [1, 2, 3, 4];\n     *      var factorials = R.scan(R.multiply, 1, numbers); //=> [1, 1, 2, 6, 24]\n     */\n    var scan = _curry3(function scan(fn, acc, list) {\n        var idx = 0;\n        var len = list.length;\n        var result = [acc];\n        while (idx < len) {\n            acc = fn(acc, list[idx]);\n            result[idx + 1] = acc;\n            idx += 1;\n        }\n        return result;\n    });\n\n    /**\n     * Returns the result of \"setting\" the portion of the given data structure\n     * focused by the given lens to the given value.\n     *\n     * @func\n     * @memberOf R\n     * @since v0.16.0\n     * @category Object\n     * @typedefn Lens s a = Functor f => (a -> f a) -> s -> f s\n     * @sig Lens s a -> a -> s -> s\n     * @param {Lens} lens\n     * @param {*} v\n     * @param {*} x\n     * @return {*}\n     * @see R.prop, R.lensIndex, R.lensProp\n     * @example\n     *\n     *      var xLens = R.lensProp('x');\n     *\n     *      R.set(xLens, 4, {x: 1, y: 2});  //=> {x: 4, y: 2}\n     *      R.set(xLens, 8, {x: 1, y: 2});  //=> {x: 8, y: 2}\n     */\n    var set = _curry3(function set(lens, v, x) {\n        return over(lens, always(v), x);\n    });\n\n    /**\n     * Returns the elements of the given list or string (or object with a `slice`\n     * method) from `fromIndex` (inclusive) to `toIndex` (exclusive).\n     *\n     * Dispatches to the `slice` method of the third argument, if present.\n     *\n     * @func\n     * @memberOf R\n     * @since v0.1.4\n     * @category List\n     * @sig Number -> Number -> [a] -> [a]\n     * @sig Number -> Number -> String -> String\n     * @param {Number} fromIndex The start index (inclusive).\n     * @param {Number} toIndex The end index (exclusive).\n     * @param {*} list\n     * @return {*}\n     * @example\n     *\n     *      R.slice(1, 3, ['a', 'b', 'c', 'd']);        //=> ['b', 'c']\n     *      R.slice(1, Infinity, ['a', 'b', 'c', 'd']); //=> ['b', 'c', 'd']\n     *      R.slice(0, -1, ['a', 'b', 'c', 'd']);       //=> ['a', 'b', 'c']\n     *      R.slice(-3, -1, ['a', 'b', 'c', 'd']);      //=> ['b', 'c']\n     *      R.slice(0, 3, 'ramda');                     //=> 'ram'\n     */\n    var slice = _curry3(_checkForMethod('slice', function slice(fromIndex, toIndex, list) {\n        return Array.prototype.slice.call(list, fromIndex, toIndex);\n    }));\n\n    /**\n     * Returns a copy of the list, sorted according to the comparator function,\n     * which should accept two values at a time and return a negative number if the\n     * first value is smaller, a positive number if it's larger, and zero if they\n     * are equal. Please note that this is a **copy** of the list. It does not\n     * modify the original.\n     *\n     * @func\n     * @memberOf R\n     * @since v0.1.0\n     * @category List\n     * @sig (a,a -> Number) -> [a] -> [a]\n     * @param {Function} comparator A sorting function :: a -> b -> Int\n     * @param {Array} list The list to sort\n     * @return {Array} a new array with its elements sorted by the comparator function.\n     * @example\n     *\n     *      var diff = function(a, b) { return a - b; };\n     *      R.sort(diff, [4,2,7,5]); //=> [2, 4, 5, 7]\n     */\n    var sort = _curry2(function sort(comparator, list) {\n        return _slice(list).sort(comparator);\n    });\n\n    /**\n     * Sorts the list according to the supplied function.\n     *\n     * @func\n     * @memberOf R\n     * @since v0.1.0\n     * @category Relation\n     * @sig Ord b => (a -> b) -> [a] -> [a]\n     * @param {Function} fn\n     * @param {Array} list The list to sort.\n     * @return {Array} A new list sorted by the keys generated by `fn`.\n     * @example\n     *\n     *      var sortByFirstItem = R.sortBy(R.prop(0));\n     *      var sortByNameCaseInsensitive = R.sortBy(R.compose(R.toLower, R.prop('name')));\n     *      var pairs = [[-1, 1], [-2, 2], [-3, 3]];\n     *      sortByFirstItem(pairs); //=> [[-3, 3], [-2, 2], [-1, 1]]\n     *      var alice = {\n     *        name: 'ALICE',\n     *        age: 101\n     *      };\n     *      var bob = {\n     *        name: 'Bob',\n     *        age: -10\n     *      };\n     *      var clara = {\n     *        name: 'clara',\n     *        age: 314.159\n     *      };\n     *      var people = [clara, bob, alice];\n     *      sortByNameCaseInsensitive(people); //=> [alice, bob, clara]\n     */\n    var sortBy = _curry2(function sortBy(fn, list) {\n        return _slice(list).sort(function (a, b) {\n            var aa = fn(a);\n            var bb = fn(b);\n            return aa < bb ? -1 : aa > bb ? 1 : 0;\n        });\n    });\n\n    /**\n     * Splits a given list or string at a given index.\n     *\n     * @func\n     * @memberOf R\n     * @since v0.19.0\n     * @category List\n     * @sig Number -> [a] -> [[a], [a]]\n     * @sig Number -> String -> [String, String]\n     * @param {Number} index The index where the array/string is split.\n     * @param {Array|String} array The array/string to be split.\n     * @return {Array}\n     * @example\n     *\n     *      R.splitAt(1, [1, 2, 3]);          //=> [[1], [2, 3]]\n     *      R.splitAt(5, 'hello world');      //=> ['hello', ' world']\n     *      R.splitAt(-1, 'foobar');          //=> ['fooba', 'r']\n     */\n    var splitAt = _curry2(function splitAt(index, array) {\n        return [\n            slice(0, index, array),\n            slice(index, length(array), array)\n        ];\n    });\n\n    /**\n     * Splits a collection into slices of the specified length.\n     *\n     * @func\n     * @memberOf R\n     * @since v0.16.0\n     * @category List\n     * @sig Number -> [a] -> [[a]]\n     * @sig Number -> String -> [String]\n     * @param {Number} n\n     * @param {Array} list\n     * @return {Array}\n     * @example\n     *\n     *      R.splitEvery(3, [1, 2, 3, 4, 5, 6, 7]); //=> [[1, 2, 3], [4, 5, 6], [7]]\n     *      R.splitEvery(3, 'foobarbaz'); //=> ['foo', 'bar', 'baz']\n     */\n    var splitEvery = _curry2(function splitEvery(n, list) {\n        if (n <= 0) {\n            throw new Error('First argument to splitEvery must be a positive integer');\n        }\n        var result = [];\n        var idx = 0;\n        while (idx < list.length) {\n            result.push(slice(idx, idx += n, list));\n        }\n        return result;\n    });\n\n    /**\n     * Takes a list and a predicate and returns a pair of lists with the following properties:\n     *\n     *  - the result of concatenating the two output lists is equivalent to the input list;\n     *  - none of the elements of the first output list satisfies the predicate; and\n     *  - if the second output list is non-empty, its first element satisfies the predicate.\n     *\n     * @func\n     * @memberOf R\n     * @since v0.19.0\n     * @category List\n     * @sig (a -> Boolean) -> [a] -> [[a], [a]]\n     * @param {Function} pred The predicate that determines where the array is split.\n     * @param {Array} list The array to be split.\n     * @return {Array}\n     * @example\n     *\n     *      R.splitWhen(R.equals(2), [1, 2, 3, 1, 2, 3]);   //=> [[1], [2, 3, 1, 2, 3]]\n     */\n    var splitWhen = _curry2(function splitWhen(pred, list) {\n        var idx = 0;\n        var len = list.length;\n        var prefix = [];\n        while (idx < len && !pred(list[idx])) {\n            prefix.push(list[idx]);\n            idx += 1;\n        }\n        return [\n            prefix,\n            _slice(list, idx)\n        ];\n    });\n\n    /**\n     * Subtracts its second argument from its first argument.\n     *\n     * @func\n     * @memberOf R\n     * @since v0.1.0\n     * @category Math\n     * @sig Number -> Number -> Number\n     * @param {Number} a The first value.\n     * @param {Number} b The second value.\n     * @return {Number} The result of `a - b`.\n     * @see R.add\n     * @example\n     *\n     *      R.subtract(10, 8); //=> 2\n     *\n     *      var minus5 = R.subtract(R.__, 5);\n     *      minus5(17); //=> 12\n     *\n     *      var complementaryAngle = R.subtract(90);\n     *      complementaryAngle(30); //=> 60\n     *      complementaryAngle(72); //=> 18\n     */\n    var subtract = _curry2(function subtract(a, b) {\n        return Number(a) - Number(b);\n    });\n\n    /**\n     * Returns all but the first element of the given list or string (or object\n     * with a `tail` method).\n     *\n     * Dispatches to the `slice` method of the first argument, if present.\n     *\n     * @func\n     * @memberOf R\n     * @since v0.1.0\n     * @category List\n     * @sig [a] -> [a]\n     * @sig String -> String\n     * @param {*} list\n     * @return {*}\n     * @see R.head, R.init, R.last\n     * @example\n     *\n     *      R.tail([1, 2, 3]);  //=> [2, 3]\n     *      R.tail([1, 2]);     //=> [2]\n     *      R.tail([1]);        //=> []\n     *      R.tail([]);         //=> []\n     *\n     *      R.tail('abc');  //=> 'bc'\n     *      R.tail('ab');   //=> 'b'\n     *      R.tail('a');    //=> ''\n     *      R.tail('');     //=> ''\n     */\n    var tail = _checkForMethod('tail', slice(1, Infinity));\n\n    /**\n     * Returns the first `n` elements of the given list, string, or\n     * transducer/transformer (or object with a `take` method).\n     *\n     * Dispatches to the `take` method of the second argument, if present.\n     *\n     * @func\n     * @memberOf R\n     * @since v0.1.0\n     * @category List\n     * @sig Number -> [a] -> [a]\n     * @sig Number -> String -> String\n     * @param {Number} n\n     * @param {*} list\n     * @return {*}\n     * @see R.drop\n     * @example\n     *\n     *      R.take(1, ['foo', 'bar', 'baz']); //=> ['foo']\n     *      R.take(2, ['foo', 'bar', 'baz']); //=> ['foo', 'bar']\n     *      R.take(3, ['foo', 'bar', 'baz']); //=> ['foo', 'bar', 'baz']\n     *      R.take(4, ['foo', 'bar', 'baz']); //=> ['foo', 'bar', 'baz']\n     *      R.take(3, 'ramda');               //=> 'ram'\n     *\n     *      var personnel = [\n     *        'Dave Brubeck',\n     *        'Paul Desmond',\n     *        'Eugene Wright',\n     *        'Joe Morello',\n     *        'Gerry Mulligan',\n     *        'Bob Bates',\n     *        'Joe Dodge',\n     *        'Ron Crotty'\n     *      ];\n     *\n     *      var takeFive = R.take(5);\n     *      takeFive(personnel);\n     *      //=> ['Dave Brubeck', 'Paul Desmond', 'Eugene Wright', 'Joe Morello', 'Gerry Mulligan']\n     */\n    var take = _curry2(_dispatchable('take', _xtake, function take(n, xs) {\n        return slice(0, n < 0 ? Infinity : n, xs);\n    }));\n\n    /**\n     * Returns a new list containing the last `n` elements of a given list, passing\n     * each value to the supplied predicate function, and terminating when the\n     * predicate function returns `false`. Excludes the element that caused the\n     * predicate function to fail. The predicate function is passed one argument:\n     * *(value)*.\n     *\n     * @func\n     * @memberOf R\n     * @since v0.16.0\n     * @category List\n     * @sig (a -> Boolean) -> [a] -> [a]\n     * @param {Function} fn The function called per iteration.\n     * @param {Array} list The collection to iterate over.\n     * @return {Array} A new array.\n     * @see R.dropLastWhile, R.addIndex\n     * @example\n     *\n     *      var isNotOne = x => x !== 1;\n     *\n     *      R.takeLastWhile(isNotOne, [1, 2, 3, 4]); //=> [2, 3, 4]\n     */\n    var takeLastWhile = _curry2(function takeLastWhile(fn, list) {\n        var idx = list.length - 1;\n        while (idx >= 0 && fn(list[idx])) {\n            idx -= 1;\n        }\n        return _slice(list, idx + 1, Infinity);\n    });\n\n    /**\n     * Returns a new list containing the first `n` elements of a given list,\n     * passing each value to the supplied predicate function, and terminating when\n     * the predicate function returns `false`. Excludes the element that caused the\n     * predicate function to fail. The predicate function is passed one argument:\n     * *(value)*.\n     *\n     * Dispatches to the `takeWhile` method of the second argument, if present.\n     *\n     * Acts as a transducer if a transformer is given in list position.\n     *\n     * @func\n     * @memberOf R\n     * @since v0.1.0\n     * @category List\n     * @sig (a -> Boolean) -> [a] -> [a]\n     * @param {Function} fn The function called per iteration.\n     * @param {Array} list The collection to iterate over.\n     * @return {Array} A new array.\n     * @see R.dropWhile, R.transduce, R.addIndex\n     * @example\n     *\n     *      var isNotFour = x => x !== 4;\n     *\n     *      R.takeWhile(isNotFour, [1, 2, 3, 4, 3, 2, 1]); //=> [1, 2, 3]\n     */\n    var takeWhile = _curry2(_dispatchable('takeWhile', _xtakeWhile, function takeWhile(fn, list) {\n        var idx = 0;\n        var len = list.length;\n        while (idx < len && fn(list[idx])) {\n            idx += 1;\n        }\n        return _slice(list, 0, idx);\n    }));\n\n    /**\n     * Runs the given function with the supplied object, then returns the object.\n     *\n     * @func\n     * @memberOf R\n     * @since v0.1.0\n     * @category Function\n     * @sig (a -> *) -> a -> a\n     * @param {Function} fn The function to call with `x`. The return value of `fn` will be thrown away.\n     * @param {*} x\n     * @return {*} `x`.\n     * @example\n     *\n     *      var sayX = x => console.log('x is ' + x);\n     *      R.tap(sayX, 100); //=> 100\n     *      // logs 'x is 100'\n     */\n    var tap = _curry2(function tap(fn, x) {\n        fn(x);\n        return x;\n    });\n\n    /**\n     * Calls an input function `n` times, returning an array containing the results\n     * of those function calls.\n     *\n     * `fn` is passed one argument: The current value of `n`, which begins at `0`\n     * and is gradually incremented to `n - 1`.\n     *\n     * @func\n     * @memberOf R\n     * @since v0.2.3\n     * @category List\n     * @sig (Number -> a) -> Number -> [a]\n     * @param {Function} fn The function to invoke. Passed one argument, the current value of `n`.\n     * @param {Number} n A value between `0` and `n - 1`. Increments after each function call.\n     * @return {Array} An array containing the return values of all calls to `fn`.\n     * @example\n     *\n     *      R.times(R.identity, 5); //=> [0, 1, 2, 3, 4]\n     */\n    var times = _curry2(function times(fn, n) {\n        var len = Number(n);\n        var idx = 0;\n        var list;\n        if (len < 0 || isNaN(len)) {\n            throw new RangeError('n must be a non-negative number');\n        }\n        list = new Array(len);\n        while (idx < len) {\n            list[idx] = fn(idx);\n            idx += 1;\n        }\n        return list;\n    });\n\n    /**\n     * Converts an object into an array of key, value arrays. Only the object's\n     * own properties are used.\n     * Note that the order of the output array is not guaranteed to be consistent\n     * across different JS platforms.\n     *\n     * @func\n     * @memberOf R\n     * @since v0.4.0\n     * @category Object\n     * @sig {String: *} -> [[String,*]]\n     * @param {Object} obj The object to extract from\n     * @return {Array} An array of key, value arrays from the object's own properties.\n     * @see R.fromPairs\n     * @example\n     *\n     *      R.toPairs({a: 1, b: 2, c: 3}); //=> [['a', 1], ['b', 2], ['c', 3]]\n     */\n    var toPairs = _curry1(function toPairs(obj) {\n        var pairs = [];\n        for (var prop in obj) {\n            if (_has(prop, obj)) {\n                pairs[pairs.length] = [\n                    prop,\n                    obj[prop]\n                ];\n            }\n        }\n        return pairs;\n    });\n\n    /**\n     * Converts an object into an array of key, value arrays. The object's own\n     * properties and prototype properties are used. Note that the order of the\n     * output array is not guaranteed to be consistent across different JS\n     * platforms.\n     *\n     * @func\n     * @memberOf R\n     * @since v0.4.0\n     * @category Object\n     * @sig {String: *} -> [[String,*]]\n     * @param {Object} obj The object to extract from\n     * @return {Array} An array of key, value arrays from the object's own\n     *         and prototype properties.\n     * @example\n     *\n     *      var F = function() { this.x = 'X'; };\n     *      F.prototype.y = 'Y';\n     *      var f = new F();\n     *      R.toPairsIn(f); //=> [['x','X'], ['y','Y']]\n     */\n    var toPairsIn = _curry1(function toPairsIn(obj) {\n        var pairs = [];\n        for (var prop in obj) {\n            pairs[pairs.length] = [\n                prop,\n                obj[prop]\n            ];\n        }\n        return pairs;\n    });\n\n    /**\n     * Transposes the rows and columns of a 2D list.\n     * When passed a list of `n` lists of length `x`,\n     * returns a list of `x` lists of length `n`.\n     *\n     *\n     * @func\n     * @memberOf R\n     * @since v0.19.0\n     * @category List\n     * @sig [[a]] -> [[a]]\n     * @param {Array} list A 2D list\n     * @return {Array} A 2D list\n     * @example\n     *\n     *      R.transpose([[1, 'a'], [2, 'b'], [3, 'c']]) //=> [[1, 2, 3], ['a', 'b', 'c']]\n     *      R.transpose([[1, 2, 3], ['a', 'b', 'c']]) //=> [[1, 'a'], [2, 'b'], [3, 'c']]\n     *\n     * If some of the rows are shorter than the following rows, their elements are skipped:\n     *\n     *      R.transpose([[10, 11], [20], [], [30, 31, 32]]) //=> [[10, 20, 30], [11, 31], [32]]\n     */\n    var transpose = _curry1(function transpose(outerlist) {\n        var i = 0;\n        var result = [];\n        while (i < outerlist.length) {\n            var innerlist = outerlist[i];\n            var j = 0;\n            while (j < innerlist.length) {\n                if (typeof result[j] === 'undefined') {\n                    result[j] = [];\n                }\n                result[j].push(innerlist[j]);\n                j += 1;\n            }\n            i += 1;\n        }\n        return result;\n    });\n\n    /**\n     * Removes (strips) whitespace from both ends of the string.\n     *\n     * @func\n     * @memberOf R\n     * @since v0.6.0\n     * @category String\n     * @sig String -> String\n     * @param {String} str The string to trim.\n     * @return {String} Trimmed version of `str`.\n     * @example\n     *\n     *      R.trim('   xyz  '); //=> 'xyz'\n     *      R.map(R.trim, R.split(',', 'x, y, z')); //=> ['x', 'y', 'z']\n     */\n    var trim = function () {\n        var ws = '\\t\\n\\x0B\\f\\r \\xA0\\u1680\\u180E\\u2000\\u2001\\u2002\\u2003' + '\\u2004\\u2005\\u2006\\u2007\\u2008\\u2009\\u200A\\u202F\\u205F\\u3000\\u2028' + '\\u2029\\uFEFF';\n        var zeroWidth = '\\u200B';\n        var hasProtoTrim = typeof String.prototype.trim === 'function';\n        if (!hasProtoTrim || (ws.trim() || !zeroWidth.trim())) {\n            return _curry1(function trim(str) {\n                var beginRx = new RegExp('^[' + ws + '][' + ws + ']*');\n                var endRx = new RegExp('[' + ws + '][' + ws + ']*$');\n                return str.replace(beginRx, '').replace(endRx, '');\n            });\n        } else {\n            return _curry1(function trim(str) {\n                return str.trim();\n            });\n        }\n    }();\n\n    /**\n     * `tryCatch` takes two functions, a `tryer` and a `catcher`. The returned\n     * function evaluates the `tryer`; if it does not throw, it simply returns the\n     * result. If the `tryer` *does* throw, the returned function evaluates the\n     * `catcher` function and returns its result. Note that for effective\n     * composition with this function, both the `tryer` and `catcher` functions\n     * must return the same type of results.\n     *\n     * @func\n     * @memberOf R\n     * @since v0.20.0\n     * @category Function\n     * @sig (...x -> a) -> ((e, ...x) -> a) -> (...x -> a)\n     * @param {Function} tryer The function that may throw.\n     * @param {Function} catcher The function that will be evaluated if `tryer` throws.\n     * @return {Function} A new function that will catch exceptions and send then to the catcher.\n     * @example\n     *\n     *      R.tryCatch(R.prop('x'), R.F)({x: true}); //=> true\n     *      R.tryCatch(R.prop('x'), R.F)(null);      //=> false\n     */\n    var tryCatch = _curry2(function _tryCatch(tryer, catcher) {\n        return _arity(tryer.length, function () {\n            try {\n                return tryer.apply(this, arguments);\n            } catch (e) {\n                return catcher.apply(this, _concat([e], arguments));\n            }\n        });\n    });\n\n    /**\n     * Gives a single-word string description of the (native) type of a value,\n     * returning such answers as 'Object', 'Number', 'Array', or 'Null'. Does not\n     * attempt to distinguish user Object types any further, reporting them all as\n     * 'Object'.\n     *\n     * @func\n     * @memberOf R\n     * @since v0.8.0\n     * @category Type\n     * @sig (* -> {*}) -> String\n     * @param {*} val The value to test\n     * @return {String}\n     * @example\n     *\n     *      R.type({}); //=> \"Object\"\n     *      R.type(1); //=> \"Number\"\n     *      R.type(false); //=> \"Boolean\"\n     *      R.type('s'); //=> \"String\"\n     *      R.type(null); //=> \"Null\"\n     *      R.type([]); //=> \"Array\"\n     *      R.type(/[A-z]/); //=> \"RegExp\"\n     */\n    var type = _curry1(function type(val) {\n        return val === null ? 'Null' : val === undefined ? 'Undefined' : Object.prototype.toString.call(val).slice(8, -1);\n    });\n\n    /**\n     * Takes a function `fn`, which takes a single array argument, and returns a\n     * function which:\n     *\n     *   - takes any number of positional arguments;\n     *   - passes these arguments to `fn` as an array; and\n     *   - returns the result.\n     *\n     * In other words, R.unapply derives a variadic function from a function which\n     * takes an array. R.unapply is the inverse of R.apply.\n     *\n     * @func\n     * @memberOf R\n     * @since v0.8.0\n     * @category Function\n     * @sig ([*...] -> a) -> (*... -> a)\n     * @param {Function} fn\n     * @return {Function}\n     * @see R.apply\n     * @example\n     *\n     *      R.unapply(JSON.stringify)(1, 2, 3); //=> '[1,2,3]'\n     */\n    var unapply = _curry1(function unapply(fn) {\n        return function () {\n            return fn(_slice(arguments));\n        };\n    });\n\n    /**\n     * Wraps a function of any arity (including nullary) in a function that accepts\n     * exactly 1 parameter. Any extraneous parameters will not be passed to the\n     * supplied function.\n     *\n     * @func\n     * @memberOf R\n     * @since v0.2.0\n     * @category Function\n     * @sig (* -> b) -> (a -> b)\n     * @param {Function} fn The function to wrap.\n     * @return {Function} A new function wrapping `fn`. The new function is guaranteed to be of\n     *         arity 1.\n     * @example\n     *\n     *      var takesTwoArgs = function(a, b) {\n     *        return [a, b];\n     *      };\n     *      takesTwoArgs.length; //=> 2\n     *      takesTwoArgs(1, 2); //=> [1, 2]\n     *\n     *      var takesOneArg = R.unary(takesTwoArgs);\n     *      takesOneArg.length; //=> 1\n     *      // Only 1 argument is passed to the wrapped function\n     *      takesOneArg(1, 2); //=> [1, undefined]\n     */\n    var unary = _curry1(function unary(fn) {\n        return nAry(1, fn);\n    });\n\n    /**\n     * Returns a function of arity `n` from a (manually) curried function.\n     *\n     * @func\n     * @memberOf R\n     * @since v0.14.0\n     * @category Function\n     * @sig Number -> (a -> b) -> (a -> c)\n     * @param {Number} length The arity for the returned function.\n     * @param {Function} fn The function to uncurry.\n     * @return {Function} A new function.\n     * @see R.curry\n     * @example\n     *\n     *      var addFour = a => b => c => d => a + b + c + d;\n     *\n     *      var uncurriedAddFour = R.uncurryN(4, addFour);\n     *      uncurriedAddFour(1, 2, 3, 4); //=> 10\n     */\n    var uncurryN = _curry2(function uncurryN(depth, fn) {\n        return curryN(depth, function () {\n            var currentDepth = 1;\n            var value = fn;\n            var idx = 0;\n            var endIdx;\n            while (currentDepth <= depth && typeof value === 'function') {\n                endIdx = currentDepth === depth ? arguments.length : idx + value.length;\n                value = value.apply(this, _slice(arguments, idx, endIdx));\n                currentDepth += 1;\n                idx = endIdx;\n            }\n            return value;\n        });\n    });\n\n    /**\n     * Builds a list from a seed value. Accepts an iterator function, which returns\n     * either false to stop iteration or an array of length 2 containing the value\n     * to add to the resulting list and the seed to be used in the next call to the\n     * iterator function.\n     *\n     * The iterator function receives one argument: *(seed)*.\n     *\n     * @func\n     * @memberOf R\n     * @since v0.10.0\n     * @category List\n     * @sig (a -> [b]) -> * -> [b]\n     * @param {Function} fn The iterator function. receives one argument, `seed`, and returns\n     *        either false to quit iteration or an array of length two to proceed. The element\n     *        at index 0 of this array will be added to the resulting array, and the element\n     *        at index 1 will be passed to the next call to `fn`.\n     * @param {*} seed The seed value.\n     * @return {Array} The final list.\n     * @example\n     *\n     *      var f = n => n > 50 ? false : [-n, n + 10];\n     *      R.unfold(f, 10); //=> [-10, -20, -30, -40, -50]\n     */\n    var unfold = _curry2(function unfold(fn, seed) {\n        var pair = fn(seed);\n        var result = [];\n        while (pair && pair.length) {\n            result[result.length] = pair[0];\n            pair = fn(pair[1]);\n        }\n        return result;\n    });\n\n    /**\n     * Returns a new list containing only one copy of each element in the original\n     * list, based upon the value returned by applying the supplied predicate to\n     * two list elements. Prefers the first item if two items compare equal based\n     * on the predicate.\n     *\n     * @func\n     * @memberOf R\n     * @since v0.2.0\n     * @category List\n     * @sig (a, a -> Boolean) -> [a] -> [a]\n     * @param {Function} pred A predicate used to test whether two items are equal.\n     * @param {Array} list The array to consider.\n     * @return {Array} The list of unique items.\n     * @example\n     *\n     *      var strEq = R.eqBy(String);\n     *      R.uniqWith(strEq)([1, '1', 2, 1]); //=> [1, 2]\n     *      R.uniqWith(strEq)([{}, {}]);       //=> [{}]\n     *      R.uniqWith(strEq)([1, '1', 1]);    //=> [1]\n     *      R.uniqWith(strEq)(['1', 1, 1]);    //=> ['1']\n     */\n    var uniqWith = _curry2(function uniqWith(pred, list) {\n        var idx = 0;\n        var len = list.length;\n        var result = [];\n        var item;\n        while (idx < len) {\n            item = list[idx];\n            if (!_containsWith(pred, item, result)) {\n                result[result.length] = item;\n            }\n            idx += 1;\n        }\n        return result;\n    });\n\n    /**\n     * Tests the final argument by passing it to the given predicate function. If\n     * the predicate is not satisfied, the function will return the result of\n     * calling the `whenFalseFn` function with the same argument. If the predicate\n     * is satisfied, the argument is returned as is.\n     *\n     * @func\n     * @memberOf R\n     * @since v0.18.0\n     * @category Logic\n     * @sig (a -> Boolean) -> (a -> a) -> a -> a\n     * @param {Function} pred        A predicate function\n     * @param {Function} whenFalseFn A function to invoke when the `pred` evaluates\n     *                               to a falsy value.\n     * @param {*}        x           An object to test with the `pred` function and\n     *                               pass to `whenFalseFn` if necessary.\n     * @return {*} Either `x` or the result of applying `x` to `whenFalseFn`.\n     * @see R.ifElse, R.when\n     * @example\n     *\n     *      // coerceArray :: (a|[a]) -> [a]\n     *      var coerceArray = R.unless(R.isArrayLike, R.of);\n     *      coerceArray([1, 2, 3]); //=> [1, 2, 3]\n     *      coerceArray(1);         //=> [1]\n     */\n    var unless = _curry3(function unless(pred, whenFalseFn, x) {\n        return pred(x) ? x : whenFalseFn(x);\n    });\n\n    /**\n     * Takes a predicate, a transformation function, and an initial value,\n     * and returns a value of the same type as the initial value.\n     * It does so by applying the transformation until the predicate is satisfied,\n     * at which point it returns the satisfactory value.\n     *\n     * @func\n     * @memberOf R\n     * @since v0.20.0\n     * @category Logic\n     * @sig (a -> Boolean) -> (a -> a) -> a -> a\n     * @param {Function} pred A predicate function\n     * @param {Function} fn The iterator function\n     * @param {*} init Initial value\n     * @return {*} Final value that satisfies predicate\n     * @example\n     *\n     *      R.until(R.gt(R.__, 100), R.multiply(2))(1) // => 128\n     */\n    var until = _curry3(function until(pred, fn, init) {\n        var val = init;\n        while (!pred(val)) {\n            val = fn(val);\n        }\n        return val;\n    });\n\n    /**\n     * Returns a new copy of the array with the element at the provided index\n     * replaced with the given value.\n     *\n     * @func\n     * @memberOf R\n     * @since v0.14.0\n     * @category List\n     * @sig Number -> a -> [a] -> [a]\n     * @param {Number} idx The index to update.\n     * @param {*} x The value to exist at the given index of the returned array.\n     * @param {Array|Arguments} list The source array-like object to be updated.\n     * @return {Array} A copy of `list` with the value at index `idx` replaced with `x`.\n     * @see R.adjust\n     * @example\n     *\n     *      R.update(1, 11, [0, 1, 2]);     //=> [0, 11, 2]\n     *      R.update(1)(11)([0, 1, 2]);     //=> [0, 11, 2]\n     */\n    var update = _curry3(function update(idx, x, list) {\n        return adjust(always(x), idx, list);\n    });\n\n    /**\n     * Accepts a function `fn` and a list of transformer functions and returns a\n     * new curried function. When the new function is invoked, it calls the\n     * function `fn` with parameters consisting of the result of calling each\n     * supplied handler on successive arguments to the new function.\n     *\n     * If more arguments are passed to the returned function than transformer\n     * functions, those arguments are passed directly to `fn` as additional\n     * parameters. If you expect additional arguments that don't need to be\n     * transformed, although you can ignore them, it's best to pass an identity\n     * function so that the new function reports the correct arity.\n     *\n     * @func\n     * @memberOf R\n     * @since v0.1.0\n     * @category Function\n     * @sig (x1 -> x2 -> ... -> z) -> [(a -> x1), (b -> x2), ...] -> (a -> b -> ... -> z)\n     * @param {Function} fn The function to wrap.\n     * @param {Array} transformers A list of transformer functions\n     * @return {Function} The wrapped function.\n     * @example\n     *\n     *      R.useWith(Math.pow, [R.identity, R.identity])(3, 4); //=> 81\n     *      R.useWith(Math.pow, [R.identity, R.identity])(3)(4); //=> 81\n     *      R.useWith(Math.pow, [R.dec, R.inc])(3, 4); //=> 32\n     *      R.useWith(Math.pow, [R.dec, R.inc])(3)(4); //=> 32\n     */\n    var useWith = _curry2(function useWith(fn, transformers) {\n        return curryN(transformers.length, function () {\n            var args = [];\n            var idx = 0;\n            while (idx < transformers.length) {\n                args.push(transformers[idx].call(this, arguments[idx]));\n                idx += 1;\n            }\n            return fn.apply(this, args.concat(_slice(arguments, transformers.length)));\n        });\n    });\n\n    /**\n     * Returns a list of all the enumerable own properties of the supplied object.\n     * Note that the order of the output array is not guaranteed across different\n     * JS platforms.\n     *\n     * @func\n     * @memberOf R\n     * @since v0.1.0\n     * @category Object\n     * @sig {k: v} -> [v]\n     * @param {Object} obj The object to extract values from\n     * @return {Array} An array of the values of the object's own properties.\n     * @example\n     *\n     *      R.values({a: 1, b: 2, c: 3}); //=> [1, 2, 3]\n     */\n    var values = _curry1(function values(obj) {\n        var props = keys(obj);\n        var len = props.length;\n        var vals = [];\n        var idx = 0;\n        while (idx < len) {\n            vals[idx] = obj[props[idx]];\n            idx += 1;\n        }\n        return vals;\n    });\n\n    /**\n     * Returns a list of all the properties, including prototype properties, of the\n     * supplied object.\n     * Note that the order of the output array is not guaranteed to be consistent\n     * across different JS platforms.\n     *\n     * @func\n     * @memberOf R\n     * @since v0.2.0\n     * @category Object\n     * @sig {k: v} -> [v]\n     * @param {Object} obj The object to extract values from\n     * @return {Array} An array of the values of the object's own and prototype properties.\n     * @example\n     *\n     *      var F = function() { this.x = 'X'; };\n     *      F.prototype.y = 'Y';\n     *      var f = new F();\n     *      R.valuesIn(f); //=> ['X', 'Y']\n     */\n    var valuesIn = _curry1(function valuesIn(obj) {\n        var prop;\n        var vs = [];\n        for (prop in obj) {\n            vs[vs.length] = obj[prop];\n        }\n        return vs;\n    });\n\n    /**\n     * Returns a \"view\" of the given data structure, determined by the given lens.\n     * The lens's focus determines which portion of the data structure is visible.\n     *\n     * @func\n     * @memberOf R\n     * @since v0.16.0\n     * @category Object\n     * @typedefn Lens s a = Functor f => (a -> f a) -> s -> f s\n     * @sig Lens s a -> s -> a\n     * @param {Lens} lens\n     * @param {*} x\n     * @return {*}\n     * @see R.prop, R.lensIndex, R.lensProp\n     * @example\n     *\n     *      var xLens = R.lensProp('x');\n     *\n     *      R.view(xLens, {x: 1, y: 2});  //=> 1\n     *      R.view(xLens, {x: 4, y: 2});  //=> 4\n     */\n    // `Const` is a functor that effectively ignores the function given to `map`.\n    // Using `Const` effectively ignores the setter function of the `lens`,\n    // leaving the value returned by the getter function unmodified.\n    var view = function () {\n        // `Const` is a functor that effectively ignores the function given to `map`.\n        var Const = function (x) {\n            return {\n                value: x,\n                map: function () {\n                    return this;\n                }\n            };\n        };\n        return _curry2(function view(lens, x) {\n            // Using `Const` effectively ignores the setter function of the `lens`,\n            // leaving the value returned by the getter function unmodified.\n            return lens(Const)(x).value;\n        });\n    }();\n\n    /**\n     * Tests the final argument by passing it to the given predicate function. If\n     * the predicate is satisfied, the function will return the result of calling\n     * the `whenTrueFn` function with the same argument. If the predicate is not\n     * satisfied, the argument is returned as is.\n     *\n     * @func\n     * @memberOf R\n     * @since v0.18.0\n     * @category Logic\n     * @sig (a -> Boolean) -> (a -> a) -> a -> a\n     * @param {Function} pred       A predicate function\n     * @param {Function} whenTrueFn A function to invoke when the `condition`\n     *                              evaluates to a truthy value.\n     * @param {*}        x          An object to test with the `pred` function and\n     *                              pass to `whenTrueFn` if necessary.\n     * @return {*} Either `x` or the result of applying `x` to `whenTrueFn`.\n     * @see R.ifElse, R.unless\n     * @example\n     *\n     *      // truncate :: String -> String\n     *      var truncate = R.when(\n     *        R.propSatisfies(R.gt(R.__, 10), 'length'),\n     *        R.pipe(R.take(10), R.append('…'), R.join(''))\n     *      );\n     *      truncate('12345');         //=> '12345'\n     *      truncate('0123456789ABC'); //=> '0123456789…'\n     */\n    var when = _curry3(function when(pred, whenTrueFn, x) {\n        return pred(x) ? whenTrueFn(x) : x;\n    });\n\n    /**\n     * Takes a spec object and a test object; returns true if the test satisfies\n     * the spec. Each of the spec's own properties must be a predicate function.\n     * Each predicate is applied to the value of the corresponding property of the\n     * test object. `where` returns true if all the predicates return true, false\n     * otherwise.\n     *\n     * `where` is well suited to declaratively expressing constraints for other\n     * functions such as `filter` and `find`.\n     *\n     * @func\n     * @memberOf R\n     * @since v0.1.1\n     * @category Object\n     * @sig {String: (* -> Boolean)} -> {String: *} -> Boolean\n     * @param {Object} spec\n     * @param {Object} testObj\n     * @return {Boolean}\n     * @example\n     *\n     *      // pred :: Object -> Boolean\n     *      var pred = where({\n     *        a: equals('foo'),\n     *        b: complement(equals('bar')),\n     *        x: gt(__, 10),\n     *        y: lt(__, 20)\n     *      });\n     *\n     *      pred({a: 'foo', b: 'xxx', x: 11, y: 19}); //=> true\n     *      pred({a: 'xxx', b: 'xxx', x: 11, y: 19}); //=> false\n     *      pred({a: 'foo', b: 'bar', x: 11, y: 19}); //=> false\n     *      pred({a: 'foo', b: 'xxx', x: 10, y: 19}); //=> false\n     *      pred({a: 'foo', b: 'xxx', x: 11, y: 20}); //=> false\n     */\n    var where = _curry2(function where(spec, testObj) {\n        for (var prop in spec) {\n            if (_has(prop, spec) && !spec[prop](testObj[prop])) {\n                return false;\n            }\n        }\n        return true;\n    });\n\n    /**\n     * Wrap a function inside another to allow you to make adjustments to the\n     * parameters, or do other processing either before the internal function is\n     * called or with its results.\n     *\n     * @func\n     * @memberOf R\n     * @since v0.1.0\n     * @category Function\n     * @sig (a... -> b) -> ((a... -> b) -> a... -> c) -> (a... -> c)\n     * @param {Function} fn The function to wrap.\n     * @param {Function} wrapper The wrapper function.\n     * @return {Function} The wrapped function.\n     * @deprecated since v0.22.0\n     * @example\n     *\n     *      var greet = name => 'Hello ' + name;\n     *\n     *      var shoutedGreet = R.wrap(greet, (gr, name) => gr(name).toUpperCase());\n     *\n     *      shoutedGreet(\"Kathy\"); //=> \"HELLO KATHY\"\n     *\n     *      var shortenedGreet = R.wrap(greet, function(gr, name) {\n     *        return gr(name.substring(0, 3));\n     *      });\n     *      shortenedGreet(\"Robert\"); //=> \"Hello Rob\"\n     */\n    var wrap = _curry2(function wrap(fn, wrapper) {\n        return curryN(fn.length, function () {\n            return wrapper.apply(this, _concat([fn], arguments));\n        });\n    });\n\n    /**\n     * Creates a new list out of the two supplied by creating each possible pair\n     * from the lists.\n     *\n     * @func\n     * @memberOf R\n     * @since v0.1.0\n     * @category List\n     * @sig [a] -> [b] -> [[a,b]]\n     * @param {Array} as The first list.\n     * @param {Array} bs The second list.\n     * @return {Array} The list made by combining each possible pair from\n     *         `as` and `bs` into pairs (`[a, b]`).\n     * @example\n     *\n     *      R.xprod([1, 2], ['a', 'b']); //=> [[1, 'a'], [1, 'b'], [2, 'a'], [2, 'b']]\n     */\n    // = xprodWith(prepend); (takes about 3 times as long...)\n    var xprod = _curry2(function xprod(a, b) {\n        // = xprodWith(prepend); (takes about 3 times as long...)\n        var idx = 0;\n        var ilen = a.length;\n        var j;\n        var jlen = b.length;\n        var result = [];\n        while (idx < ilen) {\n            j = 0;\n            while (j < jlen) {\n                result[result.length] = [\n                    a[idx],\n                    b[j]\n                ];\n                j += 1;\n            }\n            idx += 1;\n        }\n        return result;\n    });\n\n    /**\n     * Creates a new list out of the two supplied by pairing up equally-positioned\n     * items from both lists. The returned list is truncated to the length of the\n     * shorter of the two input lists.\n     * Note: `zip` is equivalent to `zipWith(function(a, b) { return [a, b] })`.\n     *\n     * @func\n     * @memberOf R\n     * @since v0.1.0\n     * @category List\n     * @sig [a] -> [b] -> [[a,b]]\n     * @param {Array} list1 The first array to consider.\n     * @param {Array} list2 The second array to consider.\n     * @return {Array} The list made by pairing up same-indexed elements of `list1` and `list2`.\n     * @example\n     *\n     *      R.zip([1, 2, 3], ['a', 'b', 'c']); //=> [[1, 'a'], [2, 'b'], [3, 'c']]\n     */\n    var zip = _curry2(function zip(a, b) {\n        var rv = [];\n        var idx = 0;\n        var len = Math.min(a.length, b.length);\n        while (idx < len) {\n            rv[idx] = [\n                a[idx],\n                b[idx]\n            ];\n            idx += 1;\n        }\n        return rv;\n    });\n\n    /**\n     * Creates a new object out of a list of keys and a list of values.\n     * Key/value pairing is truncated to the length of the shorter of the two lists.\n     * Note: `zipObj` is equivalent to `pipe(zipWith(pair), fromPairs)`.\n     *\n     * @func\n     * @memberOf R\n     * @since v0.3.0\n     * @category List\n     * @sig [String] -> [*] -> {String: *}\n     * @param {Array} keys The array that will be properties on the output object.\n     * @param {Array} values The list of values on the output object.\n     * @return {Object} The object made by pairing up same-indexed elements of `keys` and `values`.\n     * @example\n     *\n     *      R.zipObj(['a', 'b', 'c'], [1, 2, 3]); //=> {a: 1, b: 2, c: 3}\n     */\n    var zipObj = _curry2(function zipObj(keys, values) {\n        var idx = 0;\n        var len = Math.min(keys.length, values.length);\n        var out = {};\n        while (idx < len) {\n            out[keys[idx]] = values[idx];\n            idx += 1;\n        }\n        return out;\n    });\n\n    /**\n     * Creates a new list out of the two supplied by applying the function to each\n     * equally-positioned pair in the lists. The returned list is truncated to the\n     * length of the shorter of the two input lists.\n     *\n     * @function\n     * @memberOf R\n     * @since v0.1.0\n     * @category List\n     * @sig (a,b -> c) -> [a] -> [b] -> [c]\n     * @param {Function} fn The function used to combine the two elements into one value.\n     * @param {Array} list1 The first array to consider.\n     * @param {Array} list2 The second array to consider.\n     * @return {Array} The list made by combining same-indexed elements of `list1` and `list2`\n     *         using `fn`.\n     * @example\n     *\n     *      var f = (x, y) => {\n     *        // ...\n     *      };\n     *      R.zipWith(f, [1, 2, 3], ['a', 'b', 'c']);\n     *      //=> [f(1, 'a'), f(2, 'b'), f(3, 'c')]\n     */\n    var zipWith = _curry3(function zipWith(fn, a, b) {\n        var rv = [];\n        var idx = 0;\n        var len = Math.min(a.length, b.length);\n        while (idx < len) {\n            rv[idx] = fn(a[idx], b[idx]);\n            idx += 1;\n        }\n        return rv;\n    });\n\n    /**\n     * A function that always returns `false`. Any passed in parameters are ignored.\n     *\n     * @func\n     * @memberOf R\n     * @since v0.9.0\n     * @category Function\n     * @sig * -> Boolean\n     * @param {*}\n     * @return {Boolean}\n     * @see R.always, R.T\n     * @example\n     *\n     *      R.F(); //=> false\n     */\n    var F = always(false);\n\n    /**\n     * A function that always returns `true`. Any passed in parameters are ignored.\n     *\n     * @func\n     * @memberOf R\n     * @since v0.9.0\n     * @category Function\n     * @sig * -> Boolean\n     * @param {*}\n     * @return {Boolean}\n     * @see R.always, R.F\n     * @example\n     *\n     *      R.T(); //=> true\n     */\n    var T = always(true);\n\n    /**\n     * Copies an object.\n     *\n     * @private\n     * @param {*} value The value to be copied\n     * @param {Array} refFrom Array containing the source references\n     * @param {Array} refTo Array containing the copied source references\n     * @param {Boolean} deep Whether or not to perform deep cloning.\n     * @return {*} The copied value.\n     */\n    var _clone = function _clone(value, refFrom, refTo, deep) {\n        var copy = function copy(copiedValue) {\n            var len = refFrom.length;\n            var idx = 0;\n            while (idx < len) {\n                if (value === refFrom[idx]) {\n                    return refTo[idx];\n                }\n                idx += 1;\n            }\n            refFrom[idx + 1] = value;\n            refTo[idx + 1] = copiedValue;\n            for (var key in value) {\n                copiedValue[key] = deep ? _clone(value[key], refFrom, refTo, true) : value[key];\n            }\n            return copiedValue;\n        };\n        switch (type(value)) {\n        case 'Object':\n            return copy({});\n        case 'Array':\n            return copy([]);\n        case 'Date':\n            return new Date(value.valueOf());\n        case 'RegExp':\n            return _cloneRegExp(value);\n        default:\n            return value;\n        }\n    };\n\n    var _createPartialApplicator = function _createPartialApplicator(concat) {\n        return _curry2(function (fn, args) {\n            return _arity(Math.max(0, fn.length - args.length), function () {\n                return fn.apply(this, concat(args, arguments));\n            });\n        });\n    };\n\n    var _dropLast = function dropLast(n, xs) {\n        return take(n < xs.length ? xs.length - n : 0, xs);\n    };\n\n    // Values of other types are only equal if identical.\n    var _equals = function _equals(a, b, stackA, stackB) {\n        if (identical(a, b)) {\n            return true;\n        }\n        if (type(a) !== type(b)) {\n            return false;\n        }\n        if (a == null || b == null) {\n            return false;\n        }\n        if (typeof a.equals === 'function' || typeof b.equals === 'function') {\n            return typeof a.equals === 'function' && a.equals(b) && typeof b.equals === 'function' && b.equals(a);\n        }\n        switch (type(a)) {\n        case 'Arguments':\n        case 'Array':\n        case 'Object':\n            if (typeof a.constructor === 'function' && _functionName(a.constructor) === 'Promise') {\n                return a === b;\n            }\n            break;\n        case 'Boolean':\n        case 'Number':\n        case 'String':\n            if (!(typeof a === typeof b && identical(a.valueOf(), b.valueOf()))) {\n                return false;\n            }\n            break;\n        case 'Date':\n            if (!identical(a.valueOf(), b.valueOf())) {\n                return false;\n            }\n            break;\n        case 'Error':\n            return a.name === b.name && a.message === b.message;\n        case 'RegExp':\n            if (!(a.source === b.source && a.global === b.global && a.ignoreCase === b.ignoreCase && a.multiline === b.multiline && a.sticky === b.sticky && a.unicode === b.unicode)) {\n                return false;\n            }\n            break;\n        case 'Map':\n        case 'Set':\n            if (!_equals(_arrayFromIterator(a.entries()), _arrayFromIterator(b.entries()), stackA, stackB)) {\n                return false;\n            }\n            break;\n        case 'Int8Array':\n        case 'Uint8Array':\n        case 'Uint8ClampedArray':\n        case 'Int16Array':\n        case 'Uint16Array':\n        case 'Int32Array':\n        case 'Uint32Array':\n        case 'Float32Array':\n        case 'Float64Array':\n            break;\n        case 'ArrayBuffer':\n            break;\n        default:\n            // Values of other types are only equal if identical.\n            return false;\n        }\n        var keysA = keys(a);\n        if (keysA.length !== keys(b).length) {\n            return false;\n        }\n        var idx = stackA.length - 1;\n        while (idx >= 0) {\n            if (stackA[idx] === a) {\n                return stackB[idx] === b;\n            }\n            idx -= 1;\n        }\n        stackA.push(a);\n        stackB.push(b);\n        idx = keysA.length - 1;\n        while (idx >= 0) {\n            var key = keysA[idx];\n            if (!(_has(key, b) && _equals(b[key], a[key], stackA, stackB))) {\n                return false;\n            }\n            idx -= 1;\n        }\n        stackA.pop();\n        stackB.pop();\n        return true;\n    };\n\n    /**\n     * `_makeFlat` is a helper function that returns a one-level or fully recursive\n     * function based on the flag passed in.\n     *\n     * @private\n     */\n    var _makeFlat = function _makeFlat(recursive) {\n        return function flatt(list) {\n            var value, jlen, j;\n            var result = [];\n            var idx = 0;\n            var ilen = list.length;\n            while (idx < ilen) {\n                if (isArrayLike(list[idx])) {\n                    value = recursive ? flatt(list[idx]) : list[idx];\n                    j = 0;\n                    jlen = value.length;\n                    while (j < jlen) {\n                        result[result.length] = value[j];\n                        j += 1;\n                    }\n                } else {\n                    result[result.length] = list[idx];\n                }\n                idx += 1;\n            }\n            return result;\n        };\n    };\n\n    var _reduce = function () {\n        function _arrayReduce(xf, acc, list) {\n            var idx = 0;\n            var len = list.length;\n            while (idx < len) {\n                acc = xf['@@transducer/step'](acc, list[idx]);\n                if (acc && acc['@@transducer/reduced']) {\n                    acc = acc['@@transducer/value'];\n                    break;\n                }\n                idx += 1;\n            }\n            return xf['@@transducer/result'](acc);\n        }\n        function _iterableReduce(xf, acc, iter) {\n            var step = iter.next();\n            while (!step.done) {\n                acc = xf['@@transducer/step'](acc, step.value);\n                if (acc && acc['@@transducer/reduced']) {\n                    acc = acc['@@transducer/value'];\n                    break;\n                }\n                step = iter.next();\n            }\n            return xf['@@transducer/result'](acc);\n        }\n        function _methodReduce(xf, acc, obj) {\n            return xf['@@transducer/result'](obj.reduce(bind(xf['@@transducer/step'], xf), acc));\n        }\n        var symIterator = typeof Symbol !== 'undefined' ? Symbol.iterator : '@@iterator';\n        return function _reduce(fn, acc, list) {\n            if (typeof fn === 'function') {\n                fn = _xwrap(fn);\n            }\n            if (isArrayLike(list)) {\n                return _arrayReduce(fn, acc, list);\n            }\n            if (typeof list.reduce === 'function') {\n                return _methodReduce(fn, acc, list);\n            }\n            if (list[symIterator] != null) {\n                return _iterableReduce(fn, acc, list[symIterator]());\n            }\n            if (typeof list.next === 'function') {\n                return _iterableReduce(fn, acc, list);\n            }\n            throw new TypeError('reduce: list must be array or iterable');\n        };\n    }();\n\n    var _stepCat = function () {\n        var _stepCatArray = {\n            '@@transducer/init': Array,\n            '@@transducer/step': function (xs, x) {\n                xs.push(x);\n                return xs;\n            },\n            '@@transducer/result': _identity\n        };\n        var _stepCatString = {\n            '@@transducer/init': String,\n            '@@transducer/step': function (a, b) {\n                return a + b;\n            },\n            '@@transducer/result': _identity\n        };\n        var _stepCatObject = {\n            '@@transducer/init': Object,\n            '@@transducer/step': function (result, input) {\n                return _assign(result, isArrayLike(input) ? objOf(input[0], input[1]) : input);\n            },\n            '@@transducer/result': _identity\n        };\n        return function _stepCat(obj) {\n            if (_isTransformer(obj)) {\n                return obj;\n            }\n            if (isArrayLike(obj)) {\n                return _stepCatArray;\n            }\n            if (typeof obj === 'string') {\n                return _stepCatString;\n            }\n            if (typeof obj === 'object') {\n                return _stepCatObject;\n            }\n            throw new Error('Cannot create transformer for ' + obj);\n        };\n    }();\n\n    var _xdropLastWhile = function () {\n        function XDropLastWhile(fn, xf) {\n            this.f = fn;\n            this.retained = [];\n            this.xf = xf;\n        }\n        XDropLastWhile.prototype['@@transducer/init'] = _xfBase.init;\n        XDropLastWhile.prototype['@@transducer/result'] = function (result) {\n            this.retained = null;\n            return this.xf['@@transducer/result'](result);\n        };\n        XDropLastWhile.prototype['@@transducer/step'] = function (result, input) {\n            return this.f(input) ? this.retain(result, input) : this.flush(result, input);\n        };\n        XDropLastWhile.prototype.flush = function (result, input) {\n            result = _reduce(this.xf['@@transducer/step'], result, this.retained);\n            this.retained = [];\n            return this.xf['@@transducer/step'](result, input);\n        };\n        XDropLastWhile.prototype.retain = function (result, input) {\n            this.retained.push(input);\n            return result;\n        };\n        return _curry2(function _xdropLastWhile(fn, xf) {\n            return new XDropLastWhile(fn, xf);\n        });\n    }();\n\n    /**\n     * Creates a new list iteration function from an existing one by adding two new\n     * parameters to its callback function: the current index, and the entire list.\n     *\n     * This would turn, for instance, Ramda's simple `map` function into one that\n     * more closely resembles `Array.prototype.map`. Note that this will only work\n     * for functions in which the iteration callback function is the first\n     * parameter, and where the list is the last parameter. (This latter might be\n     * unimportant if the list parameter is not used.)\n     *\n     * @func\n     * @memberOf R\n     * @since v0.15.0\n     * @category Function\n     * @category List\n     * @sig ((a ... -> b) ... -> [a] -> *) -> (a ..., Int, [a] -> b) ... -> [a] -> *)\n     * @param {Function} fn A list iteration function that does not pass index or list to its callback\n     * @return {Function} An altered list iteration function that passes (item, index, list) to its callback\n     * @example\n     *\n     *      var mapIndexed = R.addIndex(R.map);\n     *      mapIndexed((val, idx) => idx + '-' + val, ['f', 'o', 'o', 'b', 'a', 'r']);\n     *      //=> ['0-f', '1-o', '2-o', '3-b', '4-a', '5-r']\n     */\n    var addIndex = _curry1(function addIndex(fn) {\n        return curryN(fn.length, function () {\n            var idx = 0;\n            var origFn = arguments[0];\n            var list = arguments[arguments.length - 1];\n            var args = _slice(arguments);\n            args[0] = function () {\n                var result = origFn.apply(this, _concat(arguments, [\n                    idx,\n                    list\n                ]));\n                idx += 1;\n                return result;\n            };\n            return fn.apply(this, args);\n        });\n    });\n\n    /**\n     * Wraps a function of any arity (including nullary) in a function that accepts\n     * exactly 2 parameters. Any extraneous parameters will not be passed to the\n     * supplied function.\n     *\n     * @func\n     * @memberOf R\n     * @since v0.2.0\n     * @category Function\n     * @sig (* -> c) -> (a, b -> c)\n     * @param {Function} fn The function to wrap.\n     * @return {Function} A new function wrapping `fn`. The new function is guaranteed to be of\n     *         arity 2.\n     * @example\n     *\n     *      var takesThreeArgs = function(a, b, c) {\n     *        return [a, b, c];\n     *      };\n     *      takesThreeArgs.length; //=> 3\n     *      takesThreeArgs(1, 2, 3); //=> [1, 2, 3]\n     *\n     *      var takesTwoArgs = R.binary(takesThreeArgs);\n     *      takesTwoArgs.length; //=> 2\n     *      // Only 2 arguments are passed to the wrapped function\n     *      takesTwoArgs(1, 2, 3); //=> [1, 2, undefined]\n     */\n    var binary = _curry1(function binary(fn) {\n        return nAry(2, fn);\n    });\n\n    /**\n     * Creates a deep copy of the value which may contain (nested) `Array`s and\n     * `Object`s, `Number`s, `String`s, `Boolean`s and `Date`s. `Function`s are not\n     * copied, but assigned by their reference.\n     *\n     * Dispatches to a `clone` method if present.\n     *\n     * @func\n     * @memberOf R\n     * @since v0.1.0\n     * @category Object\n     * @sig {*} -> {*}\n     * @param {*} value The object or array to clone\n     * @return {*} A new object or array.\n     * @example\n     *\n     *      var objects = [{}, {}, {}];\n     *      var objectsClone = R.clone(objects);\n     *      objects[0] === objectsClone[0]; //=> false\n     */\n    var clone = _curry1(function clone(value) {\n        return value != null && typeof value.clone === 'function' ? value.clone() : _clone(value, [], [], true);\n    });\n\n    /**\n     * Returns a curried equivalent of the provided function. The curried function\n     * has two unusual capabilities. First, its arguments needn't be provided one\n     * at a time. If `f` is a ternary function and `g` is `R.curry(f)`, the\n     * following are equivalent:\n     *\n     *   - `g(1)(2)(3)`\n     *   - `g(1)(2, 3)`\n     *   - `g(1, 2)(3)`\n     *   - `g(1, 2, 3)`\n     *\n     * Secondly, the special placeholder value `R.__` may be used to specify\n     * \"gaps\", allowing partial application of any combination of arguments,\n     * regardless of their positions. If `g` is as above and `_` is `R.__`, the\n     * following are equivalent:\n     *\n     *   - `g(1, 2, 3)`\n     *   - `g(_, 2, 3)(1)`\n     *   - `g(_, _, 3)(1)(2)`\n     *   - `g(_, _, 3)(1, 2)`\n     *   - `g(_, 2)(1)(3)`\n     *   - `g(_, 2)(1, 3)`\n     *   - `g(_, 2)(_, 3)(1)`\n     *\n     * @func\n     * @memberOf R\n     * @since v0.1.0\n     * @category Function\n     * @sig (* -> a) -> (* -> a)\n     * @param {Function} fn The function to curry.\n     * @return {Function} A new, curried function.\n     * @see R.curryN\n     * @example\n     *\n     *      var addFourNumbers = (a, b, c, d) => a + b + c + d;\n     *\n     *      var curriedAddFourNumbers = R.curry(addFourNumbers);\n     *      var f = curriedAddFourNumbers(1, 2);\n     *      var g = f(3);\n     *      g(4); //=> 10\n     */\n    var curry = _curry1(function curry(fn) {\n        return curryN(fn.length, fn);\n    });\n\n    /**\n     * Returns all but the first `n` elements of the given list, string, or\n     * transducer/transformer (or object with a `drop` method).\n     *\n     * Dispatches to the `drop` method of the second argument, if present.\n     *\n     * @func\n     * @memberOf R\n     * @since v0.1.0\n     * @category List\n     * @sig Number -> [a] -> [a]\n     * @sig Number -> String -> String\n     * @param {Number} n\n     * @param {*} list\n     * @return {*}\n     * @see R.take, R.transduce\n     * @example\n     *\n     *      R.drop(1, ['foo', 'bar', 'baz']); //=> ['bar', 'baz']\n     *      R.drop(2, ['foo', 'bar', 'baz']); //=> ['baz']\n     *      R.drop(3, ['foo', 'bar', 'baz']); //=> []\n     *      R.drop(4, ['foo', 'bar', 'baz']); //=> []\n     *      R.drop(3, 'ramda');               //=> 'da'\n     */\n    var drop = _curry2(_dispatchable('drop', _xdrop, function drop(n, xs) {\n        return slice(Math.max(0, n), Infinity, xs);\n    }));\n\n    /**\n     * Returns a list containing all but the last `n` elements of the given `list`.\n     *\n     * @func\n     * @memberOf R\n     * @since v0.16.0\n     * @category List\n     * @sig Number -> [a] -> [a]\n     * @sig Number -> String -> String\n     * @param {Number} n The number of elements of `xs` to skip.\n     * @param {Array} xs The collection to consider.\n     * @return {Array}\n     * @see R.takeLast\n     * @example\n     *\n     *      R.dropLast(1, ['foo', 'bar', 'baz']); //=> ['foo', 'bar']\n     *      R.dropLast(2, ['foo', 'bar', 'baz']); //=> ['foo']\n     *      R.dropLast(3, ['foo', 'bar', 'baz']); //=> []\n     *      R.dropLast(4, ['foo', 'bar', 'baz']); //=> []\n     *      R.dropLast(3, 'ramda');               //=> 'ra'\n     */\n    var dropLast = _curry2(_dispatchable('dropLast', _xdropLast, _dropLast));\n\n    /**\n     * Returns a new list excluding all the tailing elements of a given list which\n     * satisfy the supplied predicate function. It passes each value from the right\n     * to the supplied predicate function, skipping elements while the predicate\n     * function returns `true`. The predicate function is applied to one argument:\n     * *(value)*.\n     *\n     * @func\n     * @memberOf R\n     * @since v0.16.0\n     * @category List\n     * @sig (a -> Boolean) -> [a] -> [a]\n     * @param {Function} fn The function called per iteration.\n     * @param {Array} list The collection to iterate over.\n     * @return {Array} A new array.\n     * @see R.takeLastWhile, R.addIndex\n     * @example\n     *\n     *      var lteThree = x => x <= 3;\n     *\n     *      R.dropLastWhile(lteThree, [1, 2, 3, 4, 3, 2, 1]); //=> [1, 2, 3, 4]\n     */\n    var dropLastWhile = _curry2(_dispatchable('dropLastWhile', _xdropLastWhile, _dropLastWhile));\n\n    /**\n     * Returns `true` if its arguments are equivalent, `false` otherwise. Handles\n     * cyclical data structures.\n     *\n     * Dispatches symmetrically to the `equals` methods of both arguments, if\n     * present.\n     *\n     * @func\n     * @memberOf R\n     * @since v0.15.0\n     * @category Relation\n     * @sig a -> b -> Boolean\n     * @param {*} a\n     * @param {*} b\n     * @return {Boolean}\n     * @example\n     *\n     *      R.equals(1, 1); //=> true\n     *      R.equals(1, '1'); //=> false\n     *      R.equals([1, 2, 3], [1, 2, 3]); //=> true\n     *\n     *      var a = {}; a.v = a;\n     *      var b = {}; b.v = b;\n     *      R.equals(a, b); //=> true\n     */\n    var equals = _curry2(function equals(a, b) {\n        return _equals(a, b, [], []);\n    });\n\n    /**\n     * Takes a predicate and a \"filterable\", and returns a new filterable of the\n     * same type containing the members of the given filterable which satisfy the\n     * given predicate.\n     *\n     * Dispatches to the `filter` method of the second argument, if present.\n     *\n     * Acts as a transducer if a transformer is given in list position.\n     *\n     * @func\n     * @memberOf R\n     * @since v0.1.0\n     * @category List\n     * @sig Filterable f => (a -> Boolean) -> f a -> f a\n     * @param {Function} pred\n     * @param {Array} filterable\n     * @return {Array}\n     * @see R.reject, R.transduce, R.addIndex\n     * @example\n     *\n     *      var isEven = n => n % 2 === 0;\n     *\n     *      R.filter(isEven, [1, 2, 3, 4]); //=> [2, 4]\n     *\n     *      R.filter(isEven, {a: 1, b: 2, c: 3, d: 4}); //=> {b: 2, d: 4}\n     */\n    // else\n    var filter = _curry2(_dispatchable('filter', _xfilter, function (pred, filterable) {\n        return _isObject(filterable) ? _reduce(function (acc, key) {\n            if (pred(filterable[key])) {\n                acc[key] = filterable[key];\n            }\n            return acc;\n        }, {}, keys(filterable)) : // else\n        _filter(pred, filterable);\n    }));\n\n    /**\n     * Returns a new list by pulling every item out of it (and all its sub-arrays)\n     * and putting them in a new array, depth-first.\n     *\n     * @func\n     * @memberOf R\n     * @since v0.1.0\n     * @category List\n     * @sig [a] -> [b]\n     * @param {Array} list The array to consider.\n     * @return {Array} The flattened list.\n     * @see R.unnest\n     * @example\n     *\n     *      R.flatten([1, 2, [3, 4], 5, [6, [7, 8, [9, [10, 11], 12]]]]);\n     *      //=> [1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12]\n     */\n    var flatten = _curry1(_makeFlat(true));\n\n    /**\n     * Returns a new function much like the supplied one, except that the first two\n     * arguments' order is reversed.\n     *\n     * @func\n     * @memberOf R\n     * @since v0.1.0\n     * @category Function\n     * @sig (a -> b -> c -> ... -> z) -> (b -> a -> c -> ... -> z)\n     * @param {Function} fn The function to invoke with its first two parameters reversed.\n     * @return {*} The result of invoking `fn` with its first two parameters' order reversed.\n     * @example\n     *\n     *      var mergeThree = (a, b, c) => [].concat(a, b, c);\n     *\n     *      mergeThree(1, 2, 3); //=> [1, 2, 3]\n     *\n     *      R.flip(mergeThree)(1, 2, 3); //=> [2, 1, 3]\n     */\n    var flip = _curry1(function flip(fn) {\n        return curry(function (a, b) {\n            var args = _slice(arguments);\n            args[0] = b;\n            args[1] = a;\n            return fn.apply(this, args);\n        });\n    });\n\n    /**\n     * Returns the first element of the given list or string. In some libraries\n     * this function is named `first`.\n     *\n     * @func\n     * @memberOf R\n     * @since v0.1.0\n     * @category List\n     * @sig [a] -> a | Undefined\n     * @sig String -> String\n     * @param {Array|String} list\n     * @return {*}\n     * @see R.tail, R.init, R.last\n     * @example\n     *\n     *      R.head(['fi', 'fo', 'fum']); //=> 'fi'\n     *      R.head([]); //=> undefined\n     *\n     *      R.head('abc'); //=> 'a'\n     *      R.head(''); //=> ''\n     */\n    var head = nth(0);\n\n    /**\n     * Returns all but the last element of the given list or string.\n     *\n     * @func\n     * @memberOf R\n     * @since v0.9.0\n     * @category List\n     * @sig [a] -> [a]\n     * @sig String -> String\n     * @param {*} list\n     * @return {*}\n     * @see R.last, R.head, R.tail\n     * @example\n     *\n     *      R.init([1, 2, 3]);  //=> [1, 2]\n     *      R.init([1, 2]);     //=> [1]\n     *      R.init([1]);        //=> []\n     *      R.init([]);         //=> []\n     *\n     *      R.init('abc');  //=> 'ab'\n     *      R.init('ab');   //=> 'a'\n     *      R.init('a');    //=> ''\n     *      R.init('');     //=> ''\n     */\n    var init = slice(0, -1);\n\n    /**\n     * Combines two lists into a set (i.e. no duplicates) composed of those\n     * elements common to both lists. Duplication is determined according to the\n     * value returned by applying the supplied predicate to two list elements.\n     *\n     * @func\n     * @memberOf R\n     * @since v0.1.0\n     * @category Relation\n     * @sig (a -> a -> Boolean) -> [*] -> [*] -> [*]\n     * @param {Function} pred A predicate function that determines whether\n     *        the two supplied elements are equal.\n     * @param {Array} list1 One list of items to compare\n     * @param {Array} list2 A second list of items to compare\n     * @return {Array} A new list containing those elements common to both lists.\n     * @see R.intersection\n     * @example\n     *\n     *      var buffaloSpringfield = [\n     *        {id: 824, name: 'Richie Furay'},\n     *        {id: 956, name: 'Dewey Martin'},\n     *        {id: 313, name: 'Bruce Palmer'},\n     *        {id: 456, name: 'Stephen Stills'},\n     *        {id: 177, name: 'Neil Young'}\n     *      ];\n     *      var csny = [\n     *        {id: 204, name: 'David Crosby'},\n     *        {id: 456, name: 'Stephen Stills'},\n     *        {id: 539, name: 'Graham Nash'},\n     *        {id: 177, name: 'Neil Young'}\n     *      ];\n     *\n     *      R.intersectionWith(R.eqBy(R.prop('id')), buffaloSpringfield, csny);\n     *      //=> [{id: 456, name: 'Stephen Stills'}, {id: 177, name: 'Neil Young'}]\n     */\n    var intersectionWith = _curry3(function intersectionWith(pred, list1, list2) {\n        var lookupList, filteredList;\n        if (list1.length > list2.length) {\n            lookupList = list1;\n            filteredList = list2;\n        } else {\n            lookupList = list2;\n            filteredList = list1;\n        }\n        var results = [];\n        var idx = 0;\n        while (idx < filteredList.length) {\n            if (_containsWith(pred, filteredList[idx], lookupList)) {\n                results[results.length] = filteredList[idx];\n            }\n            idx += 1;\n        }\n        return uniqWith(pred, results);\n    });\n\n    /**\n     * Transforms the items of the list with the transducer and appends the\n     * transformed items to the accumulator using an appropriate iterator function\n     * based on the accumulator type.\n     *\n     * The accumulator can be an array, string, object or a transformer. Iterated\n     * items will be appended to arrays and concatenated to strings. Objects will\n     * be merged directly or 2-item arrays will be merged as key, value pairs.\n     *\n     * The accumulator can also be a transformer object that provides a 2-arity\n     * reducing iterator function, step, 0-arity initial value function, init, and\n     * 1-arity result extraction function result. The step function is used as the\n     * iterator function in reduce. The result function is used to convert the\n     * final accumulator into the return type and in most cases is R.identity. The\n     * init function is used to provide the initial accumulator.\n     *\n     * The iteration is performed with R.reduce after initializing the transducer.\n     *\n     * @func\n     * @memberOf R\n     * @since v0.12.0\n     * @category List\n     * @sig a -> (b -> b) -> [c] -> a\n     * @param {*} acc The initial accumulator value.\n     * @param {Function} xf The transducer function. Receives a transformer and returns a transformer.\n     * @param {Array} list The list to iterate over.\n     * @return {*} The final, accumulated value.\n     * @example\n     *\n     *      var numbers = [1, 2, 3, 4];\n     *      var transducer = R.compose(R.map(R.add(1)), R.take(2));\n     *\n     *      R.into([], transducer, numbers); //=> [2, 3]\n     *\n     *      var intoArray = R.into([]);\n     *      intoArray(transducer, numbers); //=> [2, 3]\n     */\n    var into = _curry3(function into(acc, xf, list) {\n        return _isTransformer(acc) ? _reduce(xf(acc), acc['@@transducer/init'](), list) : _reduce(xf(_stepCat(acc)), _clone(acc, [], [], false), list);\n    });\n\n    /**\n     * Same as R.invertObj, however this accounts for objects with duplicate values\n     * by putting the values into an array.\n     *\n     * @func\n     * @memberOf R\n     * @since v0.9.0\n     * @category Object\n     * @sig {s: x} -> {x: [ s, ... ]}\n     * @param {Object} obj The object or array to invert\n     * @return {Object} out A new object with keys\n     * in an array.\n     * @example\n     *\n     *      var raceResultsByFirstName = {\n     *        first: 'alice',\n     *        second: 'jake',\n     *        third: 'alice',\n     *      };\n     *      R.invert(raceResultsByFirstName);\n     *      //=> { 'alice': ['first', 'third'], 'jake':['second'] }\n     */\n    var invert = _curry1(function invert(obj) {\n        var props = keys(obj);\n        var len = props.length;\n        var idx = 0;\n        var out = {};\n        while (idx < len) {\n            var key = props[idx];\n            var val = obj[key];\n            var list = _has(val, out) ? out[val] : out[val] = [];\n            list[list.length] = key;\n            idx += 1;\n        }\n        return out;\n    });\n\n    /**\n     * Returns a new object with the keys of the given object as values, and the\n     * values of the given object, which are coerced to strings, as keys. Note\n     * that the last key found is preferred when handling the same value.\n     *\n     * @func\n     * @memberOf R\n     * @since v0.9.0\n     * @category Object\n     * @sig {s: x} -> {x: s}\n     * @param {Object} obj The object or array to invert\n     * @return {Object} out A new object\n     * @example\n     *\n     *      var raceResults = {\n     *        first: 'alice',\n     *        second: 'jake'\n     *      };\n     *      R.invertObj(raceResults);\n     *      //=> { 'alice': 'first', 'jake':'second' }\n     *\n     *      // Alternatively:\n     *      var raceResults = ['alice', 'jake'];\n     *      R.invertObj(raceResults);\n     *      //=> { 'alice': '0', 'jake':'1' }\n     */\n    var invertObj = _curry1(function invertObj(obj) {\n        var props = keys(obj);\n        var len = props.length;\n        var idx = 0;\n        var out = {};\n        while (idx < len) {\n            var key = props[idx];\n            out[obj[key]] = key;\n            idx += 1;\n        }\n        return out;\n    });\n\n    /**\n     * Returns `true` if the given value is its type's empty value; `false`\n     * otherwise.\n     *\n     * @func\n     * @memberOf R\n     * @since v0.1.0\n     * @category Logic\n     * @sig a -> Boolean\n     * @param {*} x\n     * @return {Boolean}\n     * @see R.empty\n     * @example\n     *\n     *      R.isEmpty([1, 2, 3]);   //=> false\n     *      R.isEmpty([]);          //=> true\n     *      R.isEmpty('');          //=> true\n     *      R.isEmpty(null);        //=> false\n     *      R.isEmpty({});          //=> true\n     *      R.isEmpty({length: 0}); //=> false\n     */\n    var isEmpty = _curry1(function isEmpty(x) {\n        return x != null && equals(x, empty(x));\n    });\n\n    /**\n     * Returns the last element of the given list or string.\n     *\n     * @func\n     * @memberOf R\n     * @since v0.1.4\n     * @category List\n     * @sig [a] -> a | Undefined\n     * @sig String -> String\n     * @param {*} list\n     * @return {*}\n     * @see R.init, R.head, R.tail\n     * @example\n     *\n     *      R.last(['fi', 'fo', 'fum']); //=> 'fum'\n     *      R.last([]); //=> undefined\n     *\n     *      R.last('abc'); //=> 'c'\n     *      R.last(''); //=> ''\n     */\n    var last = nth(-1);\n\n    /**\n     * Returns the position of the last occurrence of an item in an array, or -1 if\n     * the item is not included in the array. `R.equals` is used to determine\n     * equality.\n     *\n     * @func\n     * @memberOf R\n     * @since v0.1.0\n     * @category List\n     * @sig a -> [a] -> Number\n     * @param {*} target The item to find.\n     * @param {Array} xs The array to search in.\n     * @return {Number} the index of the target, or -1 if the target is not found.\n     * @see R.indexOf\n     * @example\n     *\n     *      R.lastIndexOf(3, [-1,3,3,0,1,2,3,4]); //=> 6\n     *      R.lastIndexOf(10, [1,2,3,4]); //=> -1\n     */\n    var lastIndexOf = _curry2(function lastIndexOf(target, xs) {\n        if (typeof xs.lastIndexOf === 'function' && !_isArray(xs)) {\n            return xs.lastIndexOf(target);\n        } else {\n            var idx = xs.length - 1;\n            while (idx >= 0) {\n                if (equals(xs[idx], target)) {\n                    return idx;\n                }\n                idx -= 1;\n            }\n            return -1;\n        }\n    });\n\n    /**\n     * Takes a function and\n     * a [functor](https://github.com/fantasyland/fantasy-land#functor),\n     * applies the function to each of the functor's values, and returns\n     * a functor of the same shape.\n     *\n     * Ramda provides suitable `map` implementations for `Array` and `Object`,\n     * so this function may be applied to `[1, 2, 3]` or `{x: 1, y: 2, z: 3}`.\n     *\n     * Dispatches to the `map` method of the second argument, if present.\n     *\n     * Acts as a transducer if a transformer is given in list position.\n     *\n     * Also treats functions as functors and will compose them together.\n     *\n     * @func\n     * @memberOf R\n     * @since v0.1.0\n     * @category List\n     * @sig Functor f => (a -> b) -> f a -> f b\n     * @param {Function} fn The function to be called on every element of the input `list`.\n     * @param {Array} list The list to be iterated over.\n     * @return {Array} The new list.\n     * @see R.transduce, R.addIndex\n     * @example\n     *\n     *      var double = x => x * 2;\n     *\n     *      R.map(double, [1, 2, 3]); //=> [2, 4, 6]\n     *\n     *      R.map(double, {x: 1, y: 2, z: 3}); //=> {x: 2, y: 4, z: 6}\n     */\n    var map = _curry2(_dispatchable('map', _xmap, function map(fn, functor) {\n        switch (Object.prototype.toString.call(functor)) {\n        case '[object Function]':\n            return curryN(functor.length, function () {\n                return fn.call(this, functor.apply(this, arguments));\n            });\n        case '[object Object]':\n            return _reduce(function (acc, key) {\n                acc[key] = fn(functor[key]);\n                return acc;\n            }, {}, keys(functor));\n        default:\n            return _map(fn, functor);\n        }\n    }));\n\n    /**\n     * An Object-specific version of `map`. The function is applied to three\n     * arguments: *(value, key, obj)*. If only the value is significant, use\n     * `map` instead.\n     *\n     * @func\n     * @memberOf R\n     * @since v0.9.0\n     * @category Object\n     * @sig ((*, String, Object) -> *) -> Object -> Object\n     * @param {Function} fn\n     * @param {Object} obj\n     * @return {Object}\n     * @see R.map\n     * @example\n     *\n     *      var values = { x: 1, y: 2, z: 3 };\n     *      var prependKeyAndDouble = (num, key, obj) => key + (num * 2);\n     *\n     *      R.mapObjIndexed(prependKeyAndDouble, values); //=> { x: 'x2', y: 'y4', z: 'z6' }\n     */\n    var mapObjIndexed = _curry2(function mapObjIndexed(fn, obj) {\n        return _reduce(function (acc, key) {\n            acc[key] = fn(obj[key], key, obj);\n            return acc;\n        }, {}, keys(obj));\n    });\n\n    /**\n     * Creates a new object with the own properties of the two provided objects. If\n     * a key exists in both objects, the provided function is applied to the values\n     * associated with the key in each object, with the result being used as the\n     * value associated with the key in the returned object. The key will be\n     * excluded from the returned object if the resulting value is `undefined`.\n     *\n     * @func\n     * @memberOf R\n     * @since v0.19.0\n     * @category Object\n     * @sig (a -> a -> a) -> {a} -> {a} -> {a}\n     * @param {Function} fn\n     * @param {Object} l\n     * @param {Object} r\n     * @return {Object}\n     * @see R.merge, R.mergeWithKey\n     * @example\n     *\n     *      R.mergeWith(R.concat,\n     *                  { a: true, values: [10, 20] },\n     *                  { b: true, values: [15, 35] });\n     *      //=> { a: true, b: true, values: [10, 20, 15, 35] }\n     */\n    var mergeWith = _curry3(function mergeWith(fn, l, r) {\n        return mergeWithKey(function (_, _l, _r) {\n            return fn(_l, _r);\n        }, l, r);\n    });\n\n    /**\n     * Takes a function `f` and a list of arguments, and returns a function `g`.\n     * When applied, `g` returns the result of applying `f` to the arguments\n     * provided initially followed by the arguments provided to `g`.\n     *\n     * @func\n     * @memberOf R\n     * @since v0.10.0\n     * @category Function\n     * @sig ((a, b, c, ..., n) -> x) -> [a, b, c, ...] -> ((d, e, f, ..., n) -> x)\n     * @param {Function} f\n     * @param {Array} args\n     * @return {Function}\n     * @see R.partialRight\n     * @example\n     *\n     *      var multiply = (a, b) => a * b;\n     *      var double = R.partial(multiply, [2]);\n     *      double(2); //=> 4\n     *\n     *      var greet = (salutation, title, firstName, lastName) =>\n     *        salutation + ', ' + title + ' ' + firstName + ' ' + lastName + '!';\n     *\n     *      var sayHello = R.partial(greet, ['Hello']);\n     *      var sayHelloToMs = R.partial(sayHello, ['Ms.']);\n     *      sayHelloToMs('Jane', 'Jones'); //=> 'Hello, Ms. Jane Jones!'\n     */\n    var partial = _createPartialApplicator(_concat);\n\n    /**\n     * Takes a function `f` and a list of arguments, and returns a function `g`.\n     * When applied, `g` returns the result of applying `f` to the arguments\n     * provided to `g` followed by the arguments provided initially.\n     *\n     * @func\n     * @memberOf R\n     * @since v0.10.0\n     * @category Function\n     * @sig ((a, b, c, ..., n) -> x) -> [d, e, f, ..., n] -> ((a, b, c, ...) -> x)\n     * @param {Function} f\n     * @param {Array} args\n     * @return {Function}\n     * @see R.partial\n     * @example\n     *\n     *      var greet = (salutation, title, firstName, lastName) =>\n     *        salutation + ', ' + title + ' ' + firstName + ' ' + lastName + '!';\n     *\n     *      var greetMsJaneJones = R.partialRight(greet, ['Ms.', 'Jane', 'Jones']);\n     *\n     *      greetMsJaneJones('Hello'); //=> 'Hello, Ms. Jane Jones!'\n     */\n    var partialRight = _createPartialApplicator(flip(_concat));\n\n    /**\n     * Determines whether a nested path on an object has a specific value, in\n     * `R.equals` terms. Most likely used to filter a list.\n     *\n     * @func\n     * @memberOf R\n     * @since v0.7.0\n     * @category Relation\n     * @sig [String] -> * -> {String: *} -> Boolean\n     * @param {Array} path The path of the nested property to use\n     * @param {*} val The value to compare the nested property with\n     * @param {Object} obj The object to check the nested property in\n     * @return {Boolean} `true` if the value equals the nested object property,\n     *         `false` otherwise.\n     * @example\n     *\n     *      var user1 = { address: { zipCode: 90210 } };\n     *      var user2 = { address: { zipCode: 55555 } };\n     *      var user3 = { name: 'Bob' };\n     *      var users = [ user1, user2, user3 ];\n     *      var isFamous = R.pathEq(['address', 'zipCode'], 90210);\n     *      R.filter(isFamous, users); //=> [ user1 ]\n     */\n    var pathEq = _curry3(function pathEq(_path, val, obj) {\n        return equals(path(_path, obj), val);\n    });\n\n    /**\n     * Returns a new list by plucking the same named property off all objects in\n     * the list supplied.\n     *\n     * @func\n     * @memberOf R\n     * @since v0.1.0\n     * @category List\n     * @sig k -> [{k: v}] -> [v]\n     * @param {Number|String} key The key name to pluck off of each object.\n     * @param {Array} list The array to consider.\n     * @return {Array} The list of values for the given key.\n     * @see R.props\n     * @example\n     *\n     *      R.pluck('a')([{a: 1}, {a: 2}]); //=> [1, 2]\n     *      R.pluck(0)([[1, 2], [3, 4]]);   //=> [1, 3]\n     */\n    var pluck = _curry2(function pluck(p, list) {\n        return map(prop(p), list);\n    });\n\n    /**\n     * Reasonable analog to SQL `select` statement.\n     *\n     * @func\n     * @memberOf R\n     * @since v0.1.0\n     * @category Object\n     * @category Relation\n     * @sig [k] -> [{k: v}] -> [{k: v}]\n     * @param {Array} props The property names to project\n     * @param {Array} objs The objects to query\n     * @return {Array} An array of objects with just the `props` properties.\n     * @example\n     *\n     *      var abby = {name: 'Abby', age: 7, hair: 'blond', grade: 2};\n     *      var fred = {name: 'Fred', age: 12, hair: 'brown', grade: 7};\n     *      var kids = [abby, fred];\n     *      R.project(['name', 'grade'], kids); //=> [{name: 'Abby', grade: 2}, {name: 'Fred', grade: 7}]\n     */\n    // passing `identity` gives correct arity\n    var project = useWith(_map, [\n        pickAll,\n        identity\n    ]);\n\n    /**\n     * Returns `true` if the specified object property is equal, in `R.equals`\n     * terms, to the given value; `false` otherwise.\n     *\n     * @func\n     * @memberOf R\n     * @since v0.1.0\n     * @category Relation\n     * @sig String -> a -> Object -> Boolean\n     * @param {String} name\n     * @param {*} val\n     * @param {*} obj\n     * @return {Boolean}\n     * @see R.equals, R.propSatisfies\n     * @example\n     *\n     *      var abby = {name: 'Abby', age: 7, hair: 'blond'};\n     *      var fred = {name: 'Fred', age: 12, hair: 'brown'};\n     *      var rusty = {name: 'Rusty', age: 10, hair: 'brown'};\n     *      var alois = {name: 'Alois', age: 15, disposition: 'surly'};\n     *      var kids = [abby, fred, rusty, alois];\n     *      var hasBrownHair = R.propEq('hair', 'brown');\n     *      R.filter(hasBrownHair, kids); //=> [fred, rusty]\n     */\n    var propEq = _curry3(function propEq(name, val, obj) {\n        return equals(val, obj[name]);\n    });\n\n    /**\n     * Returns a single item by iterating through the list, successively calling\n     * the iterator function and passing it an accumulator value and the current\n     * value from the array, and then passing the result to the next call.\n     *\n     * The iterator function receives two values: *(acc, value)*. It may use\n     * `R.reduced` to shortcut the iteration.\n     *\n     * Note: `R.reduce` does not skip deleted or unassigned indices (sparse\n     * arrays), unlike the native `Array.prototype.reduce` method. For more details\n     * on this behavior, see:\n     * https://developer.mozilla.org/en-US/docs/Web/JavaScript/Reference/Global_Objects/Array/reduce#Description\n     *\n     * Dispatches to the `reduce` method of the third argument, if present.\n     *\n     * @func\n     * @memberOf R\n     * @since v0.1.0\n     * @category List\n     * @sig ((a, b) -> a) -> a -> [b] -> a\n     * @param {Function} fn The iterator function. Receives two values, the accumulator and the\n     *        current element from the array.\n     * @param {*} acc The accumulator value.\n     * @param {Array} list The list to iterate over.\n     * @return {*} The final, accumulated value.\n     * @see R.reduced, R.addIndex\n     * @example\n     *\n     *      var numbers = [1, 2, 3];\n     *      var plus = (a, b) => a + b;\n     *\n     *      R.reduce(plus, 10, numbers); //=> 16\n     */\n    var reduce = _curry3(_reduce);\n\n    /**\n     * Groups the elements of the list according to the result of calling\n     * the String-returning function `keyFn` on each element and reduces the elements\n     * of each group to a single value via the reducer function `valueFn`.\n     *\n     * This function is basically a more general `groupBy` function.\n     *\n     * Acts as a transducer if a transformer is given in list position.\n     *\n     * @func\n     * @memberOf R\n     * @since v0.20.0\n     * @category List\n     * @sig ((a, b) -> a) -> a -> (b -> String) -> [b] -> {String: a}\n     * @param {Function} valueFn The function that reduces the elements of each group to a single\n     *        value. Receives two values, accumulator for a particular group and the current element.\n     * @param {*} acc The (initial) accumulator value for each group.\n     * @param {Function} keyFn The function that maps the list's element into a key.\n     * @param {Array} list The array to group.\n     * @return {Object} An object with the output of `keyFn` for keys, mapped to the output of\n     *         `valueFn` for elements which produced that key when passed to `keyFn`.\n     * @see R.groupBy, R.reduce\n     * @example\n     *\n     *      var reduceToNamesBy = R.reduceBy((acc, student) => acc.concat(student.name), []);\n     *      var namesByGrade = reduceToNamesBy(function(student) {\n     *        var score = student.score;\n     *        return score < 65 ? 'F' :\n     *               score < 70 ? 'D' :\n     *               score < 80 ? 'C' :\n     *               score < 90 ? 'B' : 'A';\n     *      });\n     *      var students = [{name: 'Lucy', score: 92},\n     *                      {name: 'Drew', score: 85},\n     *                      // ...\n     *                      {name: 'Bart', score: 62}];\n     *      namesByGrade(students);\n     *      // {\n     *      //   'A': ['Lucy'],\n     *      //   'B': ['Drew']\n     *      //   // ...,\n     *      //   'F': ['Bart']\n     *      // }\n     */\n    var reduceBy = _curryN(4, [], _dispatchable('reduceBy', _xreduceBy, function reduceBy(valueFn, valueAcc, keyFn, list) {\n        return _reduce(function (acc, elt) {\n            var key = keyFn(elt);\n            acc[key] = valueFn(_has(key, acc) ? acc[key] : valueAcc, elt);\n            return acc;\n        }, {}, list);\n    }));\n\n    /**\n     * Like `reduce`, `reduceWhile` returns a single item by iterating through\n     * the list, successively calling the iterator function. `reduceWhile` also\n     * takes a predicate that is evaluated before each step. If the predicate returns\n     * `false`, it \"short-circuits\" the iteration and returns the current value\n     * of the accumulator.\n     *\n     * @func\n     * @memberOf R\n     * @since v0.22.0\n     * @category List\n     * @sig ((a, b) -> Boolean) -> ((a, b) -> a) -> a -> [b] -> a\n     * @param {Function} pred The predicate. It is passed the accumulator and the\n     *        current element.\n     * @param {Function} fn The iterator function. Receives two values, the\n     *        accumulator and the current element.\n     * @param {*} a The accumulator value.\n     * @param {Array} list The list to iterate over.\n     * @return {*} The final, accumulated value.\n     * @see R.reduce, R.reduced\n     * @example\n     *\n     *      var isOdd = (acc, x) => x % 2 === 1;\n     *      var xs = [1, 3, 5, 60, 777, 800];\n     *      R.reduceWhile(isOdd, R.add, 0, xs); //=> 9\n     *\n     *      var ys = [2, 4, 6]\n     *      R.reduceWhile(isOdd, R.add, 111, ys); //=> 111\n     */\n    var reduceWhile = _curryN(4, [], function _reduceWhile(pred, fn, a, list) {\n        return _reduce(function (acc, x) {\n            return pred(acc, x) ? fn(acc, x) : _reduced(acc);\n        }, a, list);\n    });\n\n    /**\n     * The complement of `filter`.\n     *\n     * Acts as a transducer if a transformer is given in list position.\n     *\n     * @func\n     * @memberOf R\n     * @since v0.1.0\n     * @category List\n     * @sig Filterable f => (a -> Boolean) -> f a -> f a\n     * @param {Function} pred\n     * @param {Array} filterable\n     * @return {Array}\n     * @see R.filter, R.transduce, R.addIndex\n     * @example\n     *\n     *      var isOdd = (n) => n % 2 === 1;\n     *\n     *      R.reject(isOdd, [1, 2, 3, 4]); //=> [2, 4]\n     *\n     *      R.reject(isOdd, {a: 1, b: 2, c: 3, d: 4}); //=> {b: 2, d: 4}\n     */\n    var reject = _curry2(function reject(pred, filterable) {\n        return filter(_complement(pred), filterable);\n    });\n\n    /**\n     * Returns a fixed list of size `n` containing a specified identical value.\n     *\n     * @func\n     * @memberOf R\n     * @since v0.1.1\n     * @category List\n     * @sig a -> n -> [a]\n     * @param {*} value The value to repeat.\n     * @param {Number} n The desired size of the output list.\n     * @return {Array} A new array containing `n` `value`s.\n     * @example\n     *\n     *      R.repeat('hi', 5); //=> ['hi', 'hi', 'hi', 'hi', 'hi']\n     *\n     *      var obj = {};\n     *      var repeatedObjs = R.repeat(obj, 5); //=> [{}, {}, {}, {}, {}]\n     *      repeatedObjs[0] === repeatedObjs[1]; //=> true\n     */\n    var repeat = _curry2(function repeat(value, n) {\n        return times(always(value), n);\n    });\n\n    /**\n     * Adds together all the elements of a list.\n     *\n     * @func\n     * @memberOf R\n     * @since v0.1.0\n     * @category Math\n     * @sig [Number] -> Number\n     * @param {Array} list An array of numbers\n     * @return {Number} The sum of all the numbers in the list.\n     * @see R.reduce\n     * @example\n     *\n     *      R.sum([2,4,6,8,100,1]); //=> 121\n     */\n    var sum = reduce(add, 0);\n\n    /**\n     * Returns a new list containing the last `n` elements of the given list.\n     * If `n > list.length`, returns a list of `list.length` elements.\n     *\n     * @func\n     * @memberOf R\n     * @since v0.16.0\n     * @category List\n     * @sig Number -> [a] -> [a]\n     * @sig Number -> String -> String\n     * @param {Number} n The number of elements to return.\n     * @param {Array} xs The collection to consider.\n     * @return {Array}\n     * @see R.dropLast\n     * @example\n     *\n     *      R.takeLast(1, ['foo', 'bar', 'baz']); //=> ['baz']\n     *      R.takeLast(2, ['foo', 'bar', 'baz']); //=> ['bar', 'baz']\n     *      R.takeLast(3, ['foo', 'bar', 'baz']); //=> ['foo', 'bar', 'baz']\n     *      R.takeLast(4, ['foo', 'bar', 'baz']); //=> ['foo', 'bar', 'baz']\n     *      R.takeLast(3, 'ramda');               //=> 'mda'\n     */\n    var takeLast = _curry2(function takeLast(n, xs) {\n        return drop(n >= 0 ? xs.length - n : 0, xs);\n    });\n\n    /**\n     * Initializes a transducer using supplied iterator function. Returns a single\n     * item by iterating through the list, successively calling the transformed\n     * iterator function and passing it an accumulator value and the current value\n     * from the array, and then passing the result to the next call.\n     *\n     * The iterator function receives two values: *(acc, value)*. It will be\n     * wrapped as a transformer to initialize the transducer. A transformer can be\n     * passed directly in place of an iterator function. In both cases, iteration\n     * may be stopped early with the `R.reduced` function.\n     *\n     * A transducer is a function that accepts a transformer and returns a\n     * transformer and can be composed directly.\n     *\n     * A transformer is an an object that provides a 2-arity reducing iterator\n     * function, step, 0-arity initial value function, init, and 1-arity result\n     * extraction function, result. The step function is used as the iterator\n     * function in reduce. The result function is used to convert the final\n     * accumulator into the return type and in most cases is R.identity. The init\n     * function can be used to provide an initial accumulator, but is ignored by\n     * transduce.\n     *\n     * The iteration is performed with R.reduce after initializing the transducer.\n     *\n     * @func\n     * @memberOf R\n     * @since v0.12.0\n     * @category List\n     * @sig (c -> c) -> (a,b -> a) -> a -> [b] -> a\n     * @param {Function} xf The transducer function. Receives a transformer and returns a transformer.\n     * @param {Function} fn The iterator function. Receives two values, the accumulator and the\n     *        current element from the array. Wrapped as transformer, if necessary, and used to\n     *        initialize the transducer\n     * @param {*} acc The initial accumulator value.\n     * @param {Array} list The list to iterate over.\n     * @return {*} The final, accumulated value.\n     * @see R.reduce, R.reduced, R.into\n     * @example\n     *\n     *      var numbers = [1, 2, 3, 4];\n     *      var transducer = R.compose(R.map(R.add(1)), R.take(2));\n     *\n     *      R.transduce(transducer, R.flip(R.append), [], numbers); //=> [2, 3]\n     */\n    var transduce = curryN(4, function transduce(xf, fn, acc, list) {\n        return _reduce(xf(typeof fn === 'function' ? _xwrap(fn) : fn), acc, list);\n    });\n\n    /**\n     * Combines two lists into a set (i.e. no duplicates) composed of the elements\n     * of each list. Duplication is determined according to the value returned by\n     * applying the supplied predicate to two list elements.\n     *\n     * @func\n     * @memberOf R\n     * @since v0.1.0\n     * @category Relation\n     * @sig (a -> a -> Boolean) -> [*] -> [*] -> [*]\n     * @param {Function} pred A predicate used to test whether two items are equal.\n     * @param {Array} list1 The first list.\n     * @param {Array} list2 The second list.\n     * @return {Array} The first and second lists concatenated, with\n     *         duplicates removed.\n     * @see R.union\n     * @example\n     *\n     *      var l1 = [{a: 1}, {a: 2}];\n     *      var l2 = [{a: 1}, {a: 4}];\n     *      R.unionWith(R.eqBy(R.prop('a')), l1, l2); //=> [{a: 1}, {a: 2}, {a: 4}]\n     */\n    var unionWith = _curry3(function unionWith(pred, list1, list2) {\n        return uniqWith(pred, _concat(list1, list2));\n    });\n\n    /**\n     * Takes a spec object and a test object; returns true if the test satisfies\n     * the spec, false otherwise. An object satisfies the spec if, for each of the\n     * spec's own properties, accessing that property of the object gives the same\n     * value (in `R.equals` terms) as accessing that property of the spec.\n     *\n     * `whereEq` is a specialization of [`where`](#where).\n     *\n     * @func\n     * @memberOf R\n     * @since v0.14.0\n     * @category Object\n     * @sig {String: *} -> {String: *} -> Boolean\n     * @param {Object} spec\n     * @param {Object} testObj\n     * @return {Boolean}\n     * @see R.where\n     * @example\n     *\n     *      // pred :: Object -> Boolean\n     *      var pred = R.whereEq({a: 1, b: 2});\n     *\n     *      pred({a: 1});              //=> false\n     *      pred({a: 1, b: 2});        //=> true\n     *      pred({a: 1, b: 2, c: 3});  //=> true\n     *      pred({a: 1, b: 1});        //=> false\n     */\n    var whereEq = _curry2(function whereEq(spec, testObj) {\n        return where(map(equals, spec), testObj);\n    });\n\n    var _flatCat = function () {\n        var preservingReduced = function (xf) {\n            return {\n                '@@transducer/init': _xfBase.init,\n                '@@transducer/result': function (result) {\n                    return xf['@@transducer/result'](result);\n                },\n                '@@transducer/step': function (result, input) {\n                    var ret = xf['@@transducer/step'](result, input);\n                    return ret['@@transducer/reduced'] ? _forceReduced(ret) : ret;\n                }\n            };\n        };\n        return function _xcat(xf) {\n            var rxf = preservingReduced(xf);\n            return {\n                '@@transducer/init': _xfBase.init,\n                '@@transducer/result': function (result) {\n                    return rxf['@@transducer/result'](result);\n                },\n                '@@transducer/step': function (result, input) {\n                    return !isArrayLike(input) ? _reduce(rxf, result, [input]) : _reduce(rxf, result, input);\n                }\n            };\n        };\n    }();\n\n    // Array.prototype.indexOf doesn't exist below IE9\n    // manually crawl the list to distinguish between +0 and -0\n    // NaN\n    // non-zero numbers can utilise Set\n    // all these types can utilise Set\n    // null can utilise Set\n    // anything else not covered above, defer to R.equals\n    var _indexOf = function _indexOf(list, a, idx) {\n        var inf, item;\n        // Array.prototype.indexOf doesn't exist below IE9\n        if (typeof list.indexOf === 'function') {\n            switch (typeof a) {\n            case 'number':\n                if (a === 0) {\n                    // manually crawl the list to distinguish between +0 and -0\n                    inf = 1 / a;\n                    while (idx < list.length) {\n                        item = list[idx];\n                        if (item === 0 && 1 / item === inf) {\n                            return idx;\n                        }\n                        idx += 1;\n                    }\n                    return -1;\n                } else if (a !== a) {\n                    // NaN\n                    while (idx < list.length) {\n                        item = list[idx];\n                        if (typeof item === 'number' && item !== item) {\n                            return idx;\n                        }\n                        idx += 1;\n                    }\n                    return -1;\n                }\n                // non-zero numbers can utilise Set\n                return list.indexOf(a, idx);\n            // all these types can utilise Set\n            case 'string':\n            case 'boolean':\n            case 'function':\n            case 'undefined':\n                return list.indexOf(a, idx);\n            case 'object':\n                if (a === null) {\n                    // null can utilise Set\n                    return list.indexOf(a, idx);\n                }\n            }\n        }\n        // anything else not covered above, defer to R.equals\n        while (idx < list.length) {\n            if (equals(list[idx], a)) {\n                return idx;\n            }\n            idx += 1;\n        }\n        return -1;\n    };\n\n    var _xchain = _curry2(function _xchain(f, xf) {\n        return map(f, _flatCat(xf));\n    });\n\n    /**\n     * Takes a list of predicates and returns a predicate that returns true for a\n     * given list of arguments if every one of the provided predicates is satisfied\n     * by those arguments.\n     *\n     * The function returned is a curried function whose arity matches that of the\n     * highest-arity predicate.\n     *\n     * @func\n     * @memberOf R\n     * @since v0.9.0\n     * @category Logic\n     * @sig [(*... -> Boolean)] -> (*... -> Boolean)\n     * @param {Array} preds\n     * @return {Function}\n     * @see R.anyPass\n     * @example\n     *\n     *      var isQueen = R.propEq('rank', 'Q');\n     *      var isSpade = R.propEq('suit', '♠︎');\n     *      var isQueenOfSpades = R.allPass([isQueen, isSpade]);\n     *\n     *      isQueenOfSpades({rank: 'Q', suit: '♣︎'}); //=> false\n     *      isQueenOfSpades({rank: 'Q', suit: '♠︎'}); //=> true\n     */\n    var allPass = _curry1(function allPass(preds) {\n        return curryN(reduce(max, 0, pluck('length', preds)), function () {\n            var idx = 0;\n            var len = preds.length;\n            while (idx < len) {\n                if (!preds[idx].apply(this, arguments)) {\n                    return false;\n                }\n                idx += 1;\n            }\n            return true;\n        });\n    });\n\n    /**\n     * Takes a list of predicates and returns a predicate that returns true for a\n     * given list of arguments if at least one of the provided predicates is\n     * satisfied by those arguments.\n     *\n     * The function returned is a curried function whose arity matches that of the\n     * highest-arity predicate.\n     *\n     * @func\n     * @memberOf R\n     * @since v0.9.0\n     * @category Logic\n     * @sig [(*... -> Boolean)] -> (*... -> Boolean)\n     * @param {Array} preds\n     * @return {Function}\n     * @see R.allPass\n     * @example\n     *\n     *      var gte = R.anyPass([R.gt, R.equals]);\n     *\n     *      gte(3, 2); //=> true\n     *      gte(2, 2); //=> true\n     *      gte(2, 3); //=> false\n     */\n    var anyPass = _curry1(function anyPass(preds) {\n        return curryN(reduce(max, 0, pluck('length', preds)), function () {\n            var idx = 0;\n            var len = preds.length;\n            while (idx < len) {\n                if (preds[idx].apply(this, arguments)) {\n                    return true;\n                }\n                idx += 1;\n            }\n            return false;\n        });\n    });\n\n    /**\n     * ap applies a list of functions to a list of values.\n     *\n     * Dispatches to the `ap` method of the second argument, if present. Also\n     * treats curried functions as applicatives.\n     *\n     * @func\n     * @memberOf R\n     * @since v0.3.0\n     * @category Function\n     * @sig [a -> b] -> [a] -> [b]\n     * @sig Apply f => f (a -> b) -> f a -> f b\n     * @param {Array} fns An array of functions\n     * @param {Array} vs An array of values\n     * @return {Array} An array of results of applying each of `fns` to all of `vs` in turn.\n     * @example\n     *\n     *      R.ap([R.multiply(2), R.add(3)], [1,2,3]); //=> [2, 4, 6, 4, 5, 6]\n     */\n    // else\n    var ap = _curry2(function ap(applicative, fn) {\n        return typeof applicative.ap === 'function' ? applicative.ap(fn) : typeof applicative === 'function' ? function (x) {\n            return applicative(x)(fn(x));\n        } : // else\n        _reduce(function (acc, f) {\n            return _concat(acc, map(f, fn));\n        }, [], applicative);\n    });\n\n    /**\n     * Given a spec object recursively mapping properties to functions, creates a\n     * function producing an object of the same structure, by mapping each property\n     * to the result of calling its associated function with the supplied arguments.\n     *\n     * @func\n     * @memberOf R\n     * @since v0.20.0\n     * @category Function\n     * @sig {k: ((a, b, ..., m) -> v)} -> ((a, b, ..., m) -> {k: v})\n     * @param {Object} spec an object recursively mapping properties to functions for\n     *        producing the values for these properties.\n     * @return {Function} A function that returns an object of the same structure\n     * as `spec', with each property set to the value returned by calling its\n     * associated function with the supplied arguments.\n     * @see R.converge, R.juxt\n     * @example\n     *\n     *      var getMetrics = R.applySpec({\n     *                                      sum: R.add,\n     *                                      nested: { mul: R.multiply }\n     *                                   });\n     *      getMetrics(2, 4); // => { sum: 6, nested: { mul: 8 } }\n     */\n    var applySpec = _curry1(function applySpec(spec) {\n        spec = map(function (v) {\n            return typeof v == 'function' ? v : applySpec(v);\n        }, spec);\n        return curryN(reduce(max, 0, pluck('length', values(spec))), function () {\n            var args = arguments;\n            return map(function (f) {\n                return apply(f, args);\n            }, spec);\n        });\n    });\n\n    /**\n     * Returns the result of calling its first argument with the remaining\n     * arguments. This is occasionally useful as a converging function for\n     * `R.converge`: the left branch can produce a function while the right branch\n     * produces a value to be passed to that function as an argument.\n     *\n     * @func\n     * @memberOf R\n     * @since v0.9.0\n     * @category Function\n     * @sig (*... -> a),*... -> a\n     * @param {Function} fn The function to apply to the remaining arguments.\n     * @param {...*} args Any number of positional arguments.\n     * @return {*}\n     * @see R.apply\n     * @example\n     *\n     *      var indentN = R.pipe(R.times(R.always(' ')),\n     *                           R.join(''),\n     *                           R.replace(/^(?!$)/gm));\n     *\n     *      var format = R.converge(R.call, [\n     *                                  R.pipe(R.prop('indent'), indentN),\n     *                                  R.prop('value')\n     *                              ]);\n     *\n     *      format({indent: 2, value: 'foo\\nbar\\nbaz\\n'}); //=> '  foo\\n  bar\\n  baz\\n'\n     */\n    var call = curry(function call(fn) {\n        return fn.apply(this, _slice(arguments, 1));\n    });\n\n    /**\n     * `chain` maps a function over a list and concatenates the results. `chain`\n     * is also known as `flatMap` in some libraries\n     *\n     * Dispatches to the `chain` method of the second argument, if present,\n     * according to the [FantasyLand Chain spec](https://github.com/fantasyland/fantasy-land#chain).\n     *\n     * @func\n     * @memberOf R\n     * @since v0.3.0\n     * @category List\n     * @sig Chain m => (a -> m b) -> m a -> m b\n     * @param {Function} fn\n     * @param {Array} list\n     * @return {Array}\n     * @example\n     *\n     *      var duplicate = n => [n, n];\n     *      R.chain(duplicate, [1, 2, 3]); //=> [1, 1, 2, 2, 3, 3]\n     */\n    var chain = _curry2(_dispatchable('chain', _xchain, function chain(fn, monad) {\n        if (typeof monad === 'function') {\n            return function () {\n                return monad.call(this, fn.apply(this, arguments)).apply(this, arguments);\n            };\n        }\n        return _makeFlat(false)(map(fn, monad));\n    }));\n\n    /**\n     * Returns a function, `fn`, which encapsulates if/else-if/else logic.\n     * `R.cond` takes a list of [predicate, transform] pairs. All of the arguments\n     * to `fn` are applied to each of the predicates in turn until one returns a\n     * \"truthy\" value, at which point `fn` returns the result of applying its\n     * arguments to the corresponding transformer. If none of the predicates\n     * matches, `fn` returns undefined.\n     *\n     * @func\n     * @memberOf R\n     * @since v0.6.0\n     * @category Logic\n     * @sig [[(*... -> Boolean),(*... -> *)]] -> (*... -> *)\n     * @param {Array} pairs\n     * @return {Function}\n     * @example\n     *\n     *      var fn = R.cond([\n     *        [R.equals(0),   R.always('water freezes at 0°C')],\n     *        [R.equals(100), R.always('water boils at 100°C')],\n     *        [R.T,           temp => 'nothing special happens at ' + temp + '°C']\n     *      ]);\n     *      fn(0); //=> 'water freezes at 0°C'\n     *      fn(50); //=> 'nothing special happens at 50°C'\n     *      fn(100); //=> 'water boils at 100°C'\n     */\n    var cond = _curry1(function cond(pairs) {\n        var arity = reduce(max, 0, map(function (pair) {\n            return pair[0].length;\n        }, pairs));\n        return _arity(arity, function () {\n            var idx = 0;\n            while (idx < pairs.length) {\n                if (pairs[idx][0].apply(this, arguments)) {\n                    return pairs[idx][1].apply(this, arguments);\n                }\n                idx += 1;\n            }\n        });\n    });\n\n    /**\n     * Wraps a constructor function inside a curried function that can be called\n     * with the same arguments and returns the same type. The arity of the function\n     * returned is specified to allow using variadic constructor functions.\n     *\n     * @func\n     * @memberOf R\n     * @since v0.4.0\n     * @category Function\n     * @sig Number -> (* -> {*}) -> (* -> {*})\n     * @param {Number} n The arity of the constructor function.\n     * @param {Function} Fn The constructor function to wrap.\n     * @return {Function} A wrapped, curried constructor function.\n     * @example\n     *\n     *      // Variadic constructor function\n     *      var Widget = () => {\n     *        this.children = Array.prototype.slice.call(arguments);\n     *        // ...\n     *      };\n     *      Widget.prototype = {\n     *        // ...\n     *      };\n     *      var allConfigs = [\n     *        // ...\n     *      ];\n     *      R.map(R.constructN(1, Widget), allConfigs); // a list of Widgets\n     */\n    var constructN = _curry2(function constructN(n, Fn) {\n        if (n > 10) {\n            throw new Error('Constructor with greater than ten arguments');\n        }\n        if (n === 0) {\n            return function () {\n                return new Fn();\n            };\n        }\n        return curry(nAry(n, function ($0, $1, $2, $3, $4, $5, $6, $7, $8, $9) {\n            switch (arguments.length) {\n            case 1:\n                return new Fn($0);\n            case 2:\n                return new Fn($0, $1);\n            case 3:\n                return new Fn($0, $1, $2);\n            case 4:\n                return new Fn($0, $1, $2, $3);\n            case 5:\n                return new Fn($0, $1, $2, $3, $4);\n            case 6:\n                return new Fn($0, $1, $2, $3, $4, $5);\n            case 7:\n                return new Fn($0, $1, $2, $3, $4, $5, $6);\n            case 8:\n                return new Fn($0, $1, $2, $3, $4, $5, $6, $7);\n            case 9:\n                return new Fn($0, $1, $2, $3, $4, $5, $6, $7, $8);\n            case 10:\n                return new Fn($0, $1, $2, $3, $4, $5, $6, $7, $8, $9);\n            }\n        }));\n    });\n\n    /**\n     * Accepts a converging function and a list of branching functions and returns\n     * a new function. When invoked, this new function is applied to some\n     * arguments, each branching function is applied to those same arguments. The\n     * results of each branching function are passed as arguments to the converging\n     * function to produce the return value.\n     *\n     * @func\n     * @memberOf R\n     * @since v0.4.2\n     * @category Function\n     * @sig (x1 -> x2 -> ... -> z) -> [(a -> b -> ... -> x1), (a -> b -> ... -> x2), ...] -> (a -> b -> ... -> z)\n     * @param {Function} after A function. `after` will be invoked with the return values of\n     *        `fn1` and `fn2` as its arguments.\n     * @param {Array} functions A list of functions.\n     * @return {Function} A new function.\n     * @example\n     *\n     *      var add = (a, b) => a + b;\n     *      var multiply = (a, b) => a * b;\n     *      var subtract = (a, b) => a - b;\n     *\n     *      //≅ multiply( add(1, 2), subtract(1, 2) );\n     *      R.converge(multiply, [add, subtract])(1, 2); //=> -3\n     *\n     *      var add3 = (a, b, c) => a + b + c;\n     *      R.converge(add3, [multiply, add, subtract])(1, 2); //=> 4\n     */\n    var converge = _curry2(function converge(after, fns) {\n        return curryN(reduce(max, 0, pluck('length', fns)), function () {\n            var args = arguments;\n            var context = this;\n            return after.apply(context, _map(function (fn) {\n                return fn.apply(context, args);\n            }, fns));\n        });\n    });\n\n    /**\n     * Counts the elements of a list according to how many match each value of a\n     * key generated by the supplied function. Returns an object mapping the keys\n     * produced by `fn` to the number of occurrences in the list. Note that all\n     * keys are coerced to strings because of how JavaScript objects work.\n     *\n     * Acts as a transducer if a transformer is given in list position.\n     *\n     * @func\n     * @memberOf R\n     * @since v0.1.0\n     * @category Relation\n     * @sig (a -> String) -> [a] -> {*}\n     * @param {Function} fn The function used to map values to keys.\n     * @param {Array} list The list to count elements from.\n     * @return {Object} An object mapping keys to number of occurrences in the list.\n     * @example\n     *\n     *      var numbers = [1.0, 1.1, 1.2, 2.0, 3.0, 2.2];\n     *      var letters = R.split('', 'abcABCaaaBBc');\n     *      R.countBy(Math.floor)(numbers);    //=> {'1': 3, '2': 2, '3': 1}\n     *      R.countBy(R.toLower)(letters);   //=> {'a': 5, 'b': 4, 'c': 3}\n     */\n    var countBy = reduceBy(function (acc, elem) {\n        return acc + 1;\n    }, 0);\n\n    /**\n     * Returns a new list without any consecutively repeating elements. Equality is\n     * determined by applying the supplied predicate two consecutive elements. The\n     * first element in a series of equal element is the one being preserved.\n     *\n     * Dispatches to the `dropRepeatsWith` method of the second argument, if present.\n     *\n     * Acts as a transducer if a transformer is given in list position.\n     *\n     * @func\n     * @memberOf R\n     * @since v0.14.0\n     * @category List\n     * @sig (a, a -> Boolean) -> [a] -> [a]\n     * @param {Function} pred A predicate used to test whether two items are equal.\n     * @param {Array} list The array to consider.\n     * @return {Array} `list` without repeating elements.\n     * @see R.transduce\n     * @example\n     *\n     *      var l = [1, -1, 1, 3, 4, -4, -4, -5, 5, 3, 3];\n     *      R.dropRepeatsWith(R.eqBy(Math.abs), l); //=> [1, 3, 4, -5, 3]\n     */\n    var dropRepeatsWith = _curry2(_dispatchable('dropRepeatsWith', _xdropRepeatsWith, function dropRepeatsWith(pred, list) {\n        var result = [];\n        var idx = 1;\n        var len = list.length;\n        if (len !== 0) {\n            result[0] = list[0];\n            while (idx < len) {\n                if (!pred(last(result), list[idx])) {\n                    result[result.length] = list[idx];\n                }\n                idx += 1;\n            }\n        }\n        return result;\n    }));\n\n    /**\n     * Takes a function and two values in its domain and returns `true` if the\n     * values map to the same value in the codomain; `false` otherwise.\n     *\n     * @func\n     * @memberOf R\n     * @since v0.18.0\n     * @category Relation\n     * @sig (a -> b) -> a -> a -> Boolean\n     * @param {Function} f\n     * @param {*} x\n     * @param {*} y\n     * @return {Boolean}\n     * @example\n     *\n     *      R.eqBy(Math.abs, 5, -5); //=> true\n     */\n    var eqBy = _curry3(function eqBy(f, x, y) {\n        return equals(f(x), f(y));\n    });\n\n    /**\n     * Reports whether two objects have the same value, in `R.equals` terms, for\n     * the specified property. Useful as a curried predicate.\n     *\n     * @func\n     * @memberOf R\n     * @since v0.1.0\n     * @category Object\n     * @sig k -> {k: v} -> {k: v} -> Boolean\n     * @param {String} prop The name of the property to compare\n     * @param {Object} obj1\n     * @param {Object} obj2\n     * @return {Boolean}\n     *\n     * @example\n     *\n     *      var o1 = { a: 1, b: 2, c: 3, d: 4 };\n     *      var o2 = { a: 10, b: 20, c: 3, d: 40 };\n     *      R.eqProps('a', o1, o2); //=> false\n     *      R.eqProps('c', o1, o2); //=> true\n     */\n    var eqProps = _curry3(function eqProps(prop, obj1, obj2) {\n        return equals(obj1[prop], obj2[prop]);\n    });\n\n    /**\n     * Splits a list into sub-lists stored in an object, based on the result of\n     * calling a String-returning function on each element, and grouping the\n     * results according to values returned.\n     *\n     * Dispatches to the `groupBy` method of the second argument, if present.\n     *\n     * Acts as a transducer if a transformer is given in list position.\n     *\n     * @func\n     * @memberOf R\n     * @since v0.1.0\n     * @category List\n     * @sig (a -> String) -> [a] -> {String: [a]}\n     * @param {Function} fn Function :: a -> String\n     * @param {Array} list The array to group\n     * @return {Object} An object with the output of `fn` for keys, mapped to arrays of elements\n     *         that produced that key when passed to `fn`.\n     * @see R.transduce\n     * @example\n     *\n     *      var byGrade = R.groupBy(function(student) {\n     *        var score = student.score;\n     *        return score < 65 ? 'F' :\n     *               score < 70 ? 'D' :\n     *               score < 80 ? 'C' :\n     *               score < 90 ? 'B' : 'A';\n     *      });\n     *      var students = [{name: 'Abby', score: 84},\n     *                      {name: 'Eddy', score: 58},\n     *                      // ...\n     *                      {name: 'Jack', score: 69}];\n     *      byGrade(students);\n     *      // {\n     *      //   'A': [{name: 'Dianne', score: 99}],\n     *      //   'B': [{name: 'Abby', score: 84}]\n     *      //   // ...,\n     *      //   'F': [{name: 'Eddy', score: 58}]\n     *      // }\n     */\n    var groupBy = _curry2(_checkForMethod('groupBy', reduceBy(function (acc, item) {\n        if (acc == null) {\n            acc = [];\n        }\n        acc.push(item);\n        return acc;\n    }, null)));\n\n    /**\n     * Given a function that generates a key, turns a list of objects into an\n     * object indexing the objects by the given key. Note that if multiple\n     * objects generate the same value for the indexing key only the last value\n     * will be included in the generated object.\n     *\n     * Acts as a transducer if a transformer is given in list position.\n     *\n     * @func\n     * @memberOf R\n     * @since v0.19.0\n     * @category List\n     * @sig (a -> String) -> [{k: v}] -> {k: {k: v}}\n     * @param {Function} fn Function :: a -> String\n     * @param {Array} array The array of objects to index\n     * @return {Object} An object indexing each array element by the given property.\n     * @example\n     *\n     *      var list = [{id: 'xyz', title: 'A'}, {id: 'abc', title: 'B'}];\n     *      R.indexBy(R.prop('id'), list);\n     *      //=> {abc: {id: 'abc', title: 'B'}, xyz: {id: 'xyz', title: 'A'}}\n     */\n    var indexBy = reduceBy(function (acc, elem) {\n        return elem;\n    }, null);\n\n    /**\n     * Returns the position of the first occurrence of an item in an array, or -1\n     * if the item is not included in the array. `R.equals` is used to determine\n     * equality.\n     *\n     * @func\n     * @memberOf R\n     * @since v0.1.0\n     * @category List\n     * @sig a -> [a] -> Number\n     * @param {*} target The item to find.\n     * @param {Array} xs The array to search in.\n     * @return {Number} the index of the target, or -1 if the target is not found.\n     * @see R.lastIndexOf\n     * @example\n     *\n     *      R.indexOf(3, [1,2,3,4]); //=> 2\n     *      R.indexOf(10, [1,2,3,4]); //=> -1\n     */\n    var indexOf = _curry2(function indexOf(target, xs) {\n        return typeof xs.indexOf === 'function' && !_isArray(xs) ? xs.indexOf(target) : _indexOf(xs, target, 0);\n    });\n\n    /**\n     * juxt applies a list of functions to a list of values.\n     *\n     * @func\n     * @memberOf R\n     * @since v0.19.0\n     * @category Function\n     * @sig [(a, b, ..., m) -> n] -> ((a, b, ..., m) -> [n])\n     * @param {Array} fns An array of functions\n     * @return {Function} A function that returns a list of values after applying each of the original `fns` to its parameters.\n     * @see R.applySpec\n     * @example\n     *\n     *      var getRange = R.juxt([Math.min, Math.max]);\n     *      getRange(3, 4, 9, -3); //=> [-3, 9]\n     */\n    var juxt = _curry1(function juxt(fns) {\n        return converge(_arrayOf, fns);\n    });\n\n    /**\n     * Returns a lens for the given getter and setter functions. The getter \"gets\"\n     * the value of the focus; the setter \"sets\" the value of the focus. The setter\n     * should not mutate the data structure.\n     *\n     * @func\n     * @memberOf R\n     * @since v0.8.0\n     * @category Object\n     * @typedefn Lens s a = Functor f => (a -> f a) -> s -> f s\n     * @sig (s -> a) -> ((a, s) -> s) -> Lens s a\n     * @param {Function} getter\n     * @param {Function} setter\n     * @return {Lens}\n     * @see R.view, R.set, R.over, R.lensIndex, R.lensProp\n     * @example\n     *\n     *      var xLens = R.lens(R.prop('x'), R.assoc('x'));\n     *\n     *      R.view(xLens, {x: 1, y: 2});            //=> 1\n     *      R.set(xLens, 4, {x: 1, y: 2});          //=> {x: 4, y: 2}\n     *      R.over(xLens, R.negate, {x: 1, y: 2});  //=> {x: -1, y: 2}\n     */\n    var lens = _curry2(function lens(getter, setter) {\n        return function (toFunctorFn) {\n            return function (target) {\n                return map(function (focus) {\n                    return setter(focus, target);\n                }, toFunctorFn(getter(target)));\n            };\n        };\n    });\n\n    /**\n     * Returns a lens whose focus is the specified index.\n     *\n     * @func\n     * @memberOf R\n     * @since v0.14.0\n     * @category Object\n     * @typedefn Lens s a = Functor f => (a -> f a) -> s -> f s\n     * @sig Number -> Lens s a\n     * @param {Number} n\n     * @return {Lens}\n     * @see R.view, R.set, R.over\n     * @example\n     *\n     *      var headLens = R.lensIndex(0);\n     *\n     *      R.view(headLens, ['a', 'b', 'c']);            //=> 'a'\n     *      R.set(headLens, 'x', ['a', 'b', 'c']);        //=> ['x', 'b', 'c']\n     *      R.over(headLens, R.toUpper, ['a', 'b', 'c']); //=> ['A', 'b', 'c']\n     */\n    var lensIndex = _curry1(function lensIndex(n) {\n        return lens(nth(n), update(n));\n    });\n\n    /**\n     * Returns a lens whose focus is the specified path.\n     *\n     * @func\n     * @memberOf R\n     * @since v0.19.0\n     * @category Object\n     * @typedefn Lens s a = Functor f => (a -> f a) -> s -> f s\n     * @sig [String] -> Lens s a\n     * @param {Array} path The path to use.\n     * @return {Lens}\n     * @see R.view, R.set, R.over\n     * @example\n     *\n     *      var xyLens = R.lensPath(['x', 'y']);\n     *\n     *      R.view(xyLens, {x: {y: 2, z: 3}});            //=> 2\n     *      R.set(xyLens, 4, {x: {y: 2, z: 3}});          //=> {x: {y: 4, z: 3}}\n     *      R.over(xyLens, R.negate, {x: {y: 2, z: 3}});  //=> {x: {y: -2, z: 3}}\n     */\n    var lensPath = _curry1(function lensPath(p) {\n        return lens(path(p), assocPath(p));\n    });\n\n    /**\n     * Returns a lens whose focus is the specified property.\n     *\n     * @func\n     * @memberOf R\n     * @since v0.14.0\n     * @category Object\n     * @typedefn Lens s a = Functor f => (a -> f a) -> s -> f s\n     * @sig String -> Lens s a\n     * @param {String} k\n     * @return {Lens}\n     * @see R.view, R.set, R.over\n     * @example\n     *\n     *      var xLens = R.lensProp('x');\n     *\n     *      R.view(xLens, {x: 1, y: 2});            //=> 1\n     *      R.set(xLens, 4, {x: 1, y: 2});          //=> {x: 4, y: 2}\n     *      R.over(xLens, R.negate, {x: 1, y: 2});  //=> {x: -1, y: 2}\n     */\n    var lensProp = _curry1(function lensProp(k) {\n        return lens(prop(k), assoc(k));\n    });\n\n    /**\n     * \"lifts\" a function to be the specified arity, so that it may \"map over\" that\n     * many lists, Functions or other objects that satisfy the [FantasyLand Apply spec](https://github.com/fantasyland/fantasy-land#apply).\n     *\n     * @func\n     * @memberOf R\n     * @since v0.7.0\n     * @category Function\n     * @sig Number -> (*... -> *) -> ([*]... -> [*])\n     * @param {Function} fn The function to lift into higher context\n     * @return {Function} The lifted function.\n     * @see R.lift, R.ap\n     * @example\n     *\n     *      var madd3 = R.liftN(3, R.curryN(3, (...args) => R.sum(args)));\n     *      madd3([1,2,3], [1,2,3], [1]); //=> [3, 4, 5, 4, 5, 6, 5, 6, 7]\n     */\n    var liftN = _curry2(function liftN(arity, fn) {\n        var lifted = curryN(arity, fn);\n        return curryN(arity, function () {\n            return _reduce(ap, map(lifted, arguments[0]), _slice(arguments, 1));\n        });\n    });\n\n    /**\n     * Returns the mean of the given list of numbers.\n     *\n     * @func\n     * @memberOf R\n     * @since v0.14.0\n     * @category Math\n     * @sig [Number] -> Number\n     * @param {Array} list\n     * @return {Number}\n     * @example\n     *\n     *      R.mean([2, 7, 9]); //=> 6\n     *      R.mean([]); //=> NaN\n     */\n    var mean = _curry1(function mean(list) {\n        return sum(list) / list.length;\n    });\n\n    /**\n     * Returns the median of the given list of numbers.\n     *\n     * @func\n     * @memberOf R\n     * @since v0.14.0\n     * @category Math\n     * @sig [Number] -> Number\n     * @param {Array} list\n     * @return {Number}\n     * @example\n     *\n     *      R.median([2, 9, 7]); //=> 7\n     *      R.median([7, 2, 10, 9]); //=> 8\n     *      R.median([]); //=> NaN\n     */\n    var median = _curry1(function median(list) {\n        var len = list.length;\n        if (len === 0) {\n            return NaN;\n        }\n        var width = 2 - len % 2;\n        var idx = (len - width) / 2;\n        return mean(_slice(list).sort(function (a, b) {\n            return a < b ? -1 : a > b ? 1 : 0;\n        }).slice(idx, idx + width));\n    });\n\n    /**\n     * Takes a predicate and a list or other \"filterable\" object and returns the\n     * pair of filterable objects of the same type of elements which do and do not\n     * satisfy, the predicate, respectively.\n     *\n     * @func\n     * @memberOf R\n     * @since v0.1.4\n     * @category List\n     * @sig Filterable f => (a -> Boolean) -> f a -> [f a, f a]\n     * @param {Function} pred A predicate to determine which side the element belongs to.\n     * @param {Array} filterable the list (or other filterable) to partition.\n     * @return {Array} An array, containing first the subset of elements that satisfy the\n     *         predicate, and second the subset of elements that do not satisfy.\n     * @see R.filter, R.reject\n     * @example\n     *\n     *      R.partition(R.contains('s'), ['sss', 'ttt', 'foo', 'bars']);\n     *      // => [ [ 'sss', 'bars' ],  [ 'ttt', 'foo' ] ]\n     *\n     *      R.partition(R.contains('s'), { a: 'sss', b: 'ttt', foo: 'bars' });\n     *      // => [ { a: 'sss', foo: 'bars' }, { b: 'ttt' }  ]\n     */\n    var partition = juxt([\n        filter,\n        reject\n    ]);\n\n    /**\n     * Performs left-to-right function composition. The leftmost function may have\n     * any arity; the remaining functions must be unary.\n     *\n     * In some libraries this function is named `sequence`.\n     *\n     * **Note:** The result of pipe is not automatically curried.\n     *\n     * @func\n     * @memberOf R\n     * @since v0.1.0\n     * @category Function\n     * @sig (((a, b, ..., n) -> o), (o -> p), ..., (x -> y), (y -> z)) -> ((a, b, ..., n) -> z)\n     * @param {...Function} functions\n     * @return {Function}\n     * @see R.compose\n     * @example\n     *\n     *      var f = R.pipe(Math.pow, R.negate, R.inc);\n     *\n     *      f(3, 4); // -(3^4) + 1\n     */\n    var pipe = function pipe() {\n        if (arguments.length === 0) {\n            throw new Error('pipe requires at least one argument');\n        }\n        return _arity(arguments[0].length, reduce(_pipe, arguments[0], tail(arguments)));\n    };\n\n    /**\n     * Performs left-to-right composition of one or more Promise-returning\n     * functions. The leftmost function may have any arity; the remaining functions\n     * must be unary.\n     *\n     * @func\n     * @memberOf R\n     * @since v0.10.0\n     * @category Function\n     * @sig ((a -> Promise b), (b -> Promise c), ..., (y -> Promise z)) -> (a -> Promise z)\n     * @param {...Function} functions\n     * @return {Function}\n     * @see R.composeP\n     * @example\n     *\n     *      //  followersForUser :: String -> Promise [User]\n     *      var followersForUser = R.pipeP(db.getUserById, db.getFollowers);\n     */\n    var pipeP = function pipeP() {\n        if (arguments.length === 0) {\n            throw new Error('pipeP requires at least one argument');\n        }\n        return _arity(arguments[0].length, reduce(_pipeP, arguments[0], tail(arguments)));\n    };\n\n    /**\n     * Multiplies together all the elements of a list.\n     *\n     * @func\n     * @memberOf R\n     * @since v0.1.0\n     * @category Math\n     * @sig [Number] -> Number\n     * @param {Array} list An array of numbers\n     * @return {Number} The product of all the numbers in the list.\n     * @see R.reduce\n     * @example\n     *\n     *      R.product([2,4,6,8,100,1]); //=> 38400\n     */\n    var product = reduce(multiply, 1);\n\n    /**\n     * Transforms a [Traversable](https://github.com/fantasyland/fantasy-land#traversable)\n     * of [Applicative](https://github.com/fantasyland/fantasy-land#applicative) into an\n     * Applicative of Traversable.\n     *\n     * Dispatches to the `sequence` method of the second argument, if present.\n     *\n     * @func\n     * @memberOf R\n     * @since v0.19.0\n     * @category List\n     * @sig (Applicative f, Traversable t) => (a -> f a) -> t (f a) -> f (t a)\n     * @param {Function} of\n     * @param {*} traversable\n     * @return {*}\n     * @see R.traverse\n     * @example\n     *\n     *      R.sequence(Maybe.of, [Just(1), Just(2), Just(3)]);   //=> Just([1, 2, 3])\n     *      R.sequence(Maybe.of, [Just(1), Just(2), Nothing()]); //=> Nothing()\n     *\n     *      R.sequence(R.of, Just([1, 2, 3])); //=> [Just(1), Just(2), Just(3)]\n     *      R.sequence(R.of, Nothing());       //=> [Nothing()]\n     */\n    var sequence = _curry2(function sequence(of, traversable) {\n        return typeof traversable.sequence === 'function' ? traversable.sequence(of) : reduceRight(function (acc, x) {\n            return ap(map(prepend, x), acc);\n        }, of([]), traversable);\n    });\n\n    /**\n     * Maps an [Applicative](https://github.com/fantasyland/fantasy-land#applicative)-returning\n     * function over a [Traversable](https://github.com/fantasyland/fantasy-land#traversable),\n     * then uses [`sequence`](#sequence) to transform the resulting Traversable of Applicative\n     * into an Applicative of Traversable.\n     *\n     * Dispatches to the `sequence` method of the third argument, if present.\n     *\n     * @func\n     * @memberOf R\n     * @since v0.19.0\n     * @category List\n     * @sig (Applicative f, Traversable t) => (a -> f a) -> (a -> f b) -> t a -> f (t b)\n     * @param {Function} of\n     * @param {Function} f\n     * @param {*} traversable\n     * @return {*}\n     * @see R.sequence\n     * @example\n     *\n     *      // Returns `Nothing` if the given divisor is `0`\n     *      safeDiv = n => d => d === 0 ? Nothing() : Just(n / d)\n     *\n     *      R.traverse(Maybe.of, safeDiv(10), [2, 4, 5]); //=> Just([5, 2.5, 2])\n     *      R.traverse(Maybe.of, safeDiv(10), [2, 0, 5]); //=> Nothing\n     */\n    var traverse = _curry3(function traverse(of, f, traversable) {\n        return sequence(of, map(f, traversable));\n    });\n\n    /**\n     * Shorthand for `R.chain(R.identity)`, which removes one level of nesting from\n     * any [Chain](https://github.com/fantasyland/fantasy-land#chain).\n     *\n     * @func\n     * @memberOf R\n     * @since v0.3.0\n     * @category List\n     * @sig Chain c => c (c a) -> c a\n     * @param {*} list\n     * @return {*}\n     * @see R.flatten, R.chain\n     * @example\n     *\n     *      R.unnest([1, [2], [[3]]]); //=> [1, 2, [3]]\n     *      R.unnest([[1, 2], [3, 4], [5, 6]]); //=> [1, 2, 3, 4, 5, 6]\n     */\n    var unnest = chain(_identity);\n\n    var _contains = function _contains(a, list) {\n        return _indexOf(list, a, 0) >= 0;\n    };\n\n    //  mapPairs :: (Object, [String]) -> [String]\n    var _toString = function _toString(x, seen) {\n        var recur = function recur(y) {\n            var xs = seen.concat([x]);\n            return _contains(y, xs) ? '<Circular>' : _toString(y, xs);\n        };\n        //  mapPairs :: (Object, [String]) -> [String]\n        var mapPairs = function (obj, keys) {\n            return _map(function (k) {\n                return _quote(k) + ': ' + recur(obj[k]);\n            }, keys.slice().sort());\n        };\n        switch (Object.prototype.toString.call(x)) {\n        case '[object Arguments]':\n            return '(function() { return arguments; }(' + _map(recur, x).join(', ') + '))';\n        case '[object Array]':\n            return '[' + _map(recur, x).concat(mapPairs(x, reject(function (k) {\n                return /^\\d+$/.test(k);\n            }, keys(x)))).join(', ') + ']';\n        case '[object Boolean]':\n            return typeof x === 'object' ? 'new Boolean(' + recur(x.valueOf()) + ')' : x.toString();\n        case '[object Date]':\n            return 'new Date(' + (isNaN(x.valueOf()) ? recur(NaN) : _quote(_toISOString(x))) + ')';\n        case '[object Null]':\n            return 'null';\n        case '[object Number]':\n            return typeof x === 'object' ? 'new Number(' + recur(x.valueOf()) + ')' : 1 / x === -Infinity ? '-0' : x.toString(10);\n        case '[object String]':\n            return typeof x === 'object' ? 'new String(' + recur(x.valueOf()) + ')' : _quote(x);\n        case '[object Undefined]':\n            return 'undefined';\n        default:\n            if (typeof x.toString === 'function') {\n                var repr = x.toString();\n                if (repr !== '[object Object]') {\n                    return repr;\n                }\n            }\n            return '{' + mapPairs(x, keys(x)).join(', ') + '}';\n        }\n    };\n\n    /**\n     * Performs right-to-left function composition. The rightmost function may have\n     * any arity; the remaining functions must be unary.\n     *\n     * **Note:** The result of compose is not automatically curried.\n     *\n     * @func\n     * @memberOf R\n     * @since v0.1.0\n     * @category Function\n     * @sig ((y -> z), (x -> y), ..., (o -> p), ((a, b, ..., n) -> o)) -> ((a, b, ..., n) -> z)\n     * @param {...Function} functions\n     * @return {Function}\n     * @see R.pipe\n     * @example\n     *\n     *      var f = R.compose(R.inc, R.negate, Math.pow);\n     *\n     *      f(3, 4); // -(3^4) + 1\n     */\n    var compose = function compose() {\n        if (arguments.length === 0) {\n            throw new Error('compose requires at least one argument');\n        }\n        return pipe.apply(this, reverse(arguments));\n    };\n\n    /**\n     * Returns the right-to-left Kleisli composition of the provided functions,\n     * each of which must return a value of a type supported by [`chain`](#chain).\n     *\n     * `R.composeK(h, g, f)` is equivalent to `R.compose(R.chain(h), R.chain(g), R.chain(f))`.\n     *\n     * @func\n     * @memberOf R\n     * @since v0.16.0\n     * @category Function\n     * @sig Chain m => ((y -> m z), (x -> m y), ..., (a -> m b)) -> (m a -> m z)\n     * @param {...Function}\n     * @return {Function}\n     * @see R.pipeK\n     * @example\n     *\n     *      //  parseJson :: String -> Maybe *\n     *      //  get :: String -> Object -> Maybe *\n     *\n     *      //  getStateCode :: Maybe String -> Maybe String\n     *      var getStateCode = R.composeK(\n     *        R.compose(Maybe.of, R.toUpper),\n     *        get('state'),\n     *        get('address'),\n     *        get('user'),\n     *        parseJson\n     *      );\n     *\n     *      getStateCode(Maybe.of('{\"user\":{\"address\":{\"state\":\"ny\"}}}'));\n     *      //=> Just('NY')\n     *      getStateCode(Maybe.of('[Invalid JSON]'));\n     *      //=> Nothing()\n     */\n    var composeK = function composeK() {\n        return compose.apply(this, prepend(identity, map(chain, arguments)));\n    };\n\n    /**\n     * Performs right-to-left composition of one or more Promise-returning\n     * functions. The rightmost function may have any arity; the remaining\n     * functions must be unary.\n     *\n     * @func\n     * @memberOf R\n     * @since v0.10.0\n     * @category Function\n     * @sig ((y -> Promise z), (x -> Promise y), ..., (a -> Promise b)) -> (a -> Promise z)\n     * @param {...Function} functions\n     * @return {Function}\n     * @see R.pipeP\n     * @example\n     *\n     *      //  followersForUser :: String -> Promise [User]\n     *      var followersForUser = R.composeP(db.getFollowers, db.getUserById);\n     */\n    var composeP = function composeP() {\n        if (arguments.length === 0) {\n            throw new Error('composeP requires at least one argument');\n        }\n        return pipeP.apply(this, reverse(arguments));\n    };\n\n    /**\n     * Wraps a constructor function inside a curried function that can be called\n     * with the same arguments and returns the same type.\n     *\n     * @func\n     * @memberOf R\n     * @since v0.1.0\n     * @category Function\n     * @sig (* -> {*}) -> (* -> {*})\n     * @param {Function} Fn The constructor function to wrap.\n     * @return {Function} A wrapped, curried constructor function.\n     * @example\n     *\n     *      // Constructor function\n     *      var Widget = config => {\n     *        // ...\n     *      };\n     *      Widget.prototype = {\n     *        // ...\n     *      };\n     *      var allConfigs = [\n     *        // ...\n     *      ];\n     *      R.map(R.construct(Widget), allConfigs); // a list of Widgets\n     */\n    var construct = _curry1(function construct(Fn) {\n        return constructN(Fn.length, Fn);\n    });\n\n    /**\n     * Returns `true` if the specified value is equal, in `R.equals` terms, to at\n     * least one element of the given list; `false` otherwise.\n     *\n     * @func\n     * @memberOf R\n     * @since v0.1.0\n     * @category List\n     * @sig a -> [a] -> Boolean\n     * @param {Object} a The item to compare against.\n     * @param {Array} list The array to consider.\n     * @return {Boolean} `true` if the item is in the list, `false` otherwise.\n     * @see R.any\n     * @example\n     *\n     *      R.contains(3, [1, 2, 3]); //=> true\n     *      R.contains(4, [1, 2, 3]); //=> false\n     *      R.contains([42], [[42]]); //=> true\n     */\n    var contains = _curry2(_contains);\n\n    /**\n     * Finds the set (i.e. no duplicates) of all elements in the first list not\n     * contained in the second list.\n     *\n     * @func\n     * @memberOf R\n     * @since v0.1.0\n     * @category Relation\n     * @sig [*] -> [*] -> [*]\n     * @param {Array} list1 The first list.\n     * @param {Array} list2 The second list.\n     * @return {Array} The elements in `list1` that are not in `list2`.\n     * @see R.differenceWith, R.symmetricDifference, R.symmetricDifferenceWith\n     * @example\n     *\n     *      R.difference([1,2,3,4], [7,6,5,4,3]); //=> [1,2]\n     *      R.difference([7,6,5,4,3], [1,2,3,4]); //=> [7,6,5]\n     */\n    var difference = _curry2(function difference(first, second) {\n        var out = [];\n        var idx = 0;\n        var firstLen = first.length;\n        while (idx < firstLen) {\n            if (!_contains(first[idx], second) && !_contains(first[idx], out)) {\n                out[out.length] = first[idx];\n            }\n            idx += 1;\n        }\n        return out;\n    });\n\n    /**\n     * Returns a new list without any consecutively repeating elements. `R.equals`\n     * is used to determine equality.\n     *\n     * Dispatches to the `dropRepeats` method of the first argument, if present.\n     *\n     * Acts as a transducer if a transformer is given in list position.\n     *\n     * @func\n     * @memberOf R\n     * @since v0.14.0\n     * @category List\n     * @sig [a] -> [a]\n     * @param {Array} list The array to consider.\n     * @return {Array} `list` without repeating elements.\n     * @see R.transduce\n     * @example\n     *\n     *     R.dropRepeats([1, 1, 1, 2, 3, 4, 4, 2, 2]); //=> [1, 2, 3, 4, 2]\n     */\n    var dropRepeats = _curry1(_dispatchable('dropRepeats', _xdropRepeatsWith(equals), dropRepeatsWith(equals)));\n\n    /**\n     * \"lifts\" a function of arity > 1 so that it may \"map over\" a list, Function or other\n     * object that satisfies the [FantasyLand Apply spec](https://github.com/fantasyland/fantasy-land#apply).\n     *\n     * @func\n     * @memberOf R\n     * @since v0.7.0\n     * @category Function\n     * @sig (*... -> *) -> ([*]... -> [*])\n     * @param {Function} fn The function to lift into higher context\n     * @return {Function} The lifted function.\n     * @see R.liftN\n     * @example\n     *\n     *      var madd3 = R.lift(R.curry((a, b, c) => a + b + c));\n     *\n     *      madd3([1,2,3], [1,2,3], [1]); //=> [3, 4, 5, 4, 5, 6, 5, 6, 7]\n     *\n     *      var madd5 = R.lift(R.curry((a, b, c, d, e) => a + b + c + d + e));\n     *\n     *      madd5([1,2], [3], [4, 5], [6], [7, 8]); //=> [21, 22, 22, 23, 22, 23, 23, 24]\n     */\n    var lift = _curry1(function lift(fn) {\n        return liftN(fn.length, fn);\n    });\n\n    /**\n     * Returns a partial copy of an object omitting the keys specified.\n     *\n     * @func\n     * @memberOf R\n     * @since v0.1.0\n     * @category Object\n     * @sig [String] -> {String: *} -> {String: *}\n     * @param {Array} names an array of String property names to omit from the new object\n     * @param {Object} obj The object to copy from\n     * @return {Object} A new object with properties from `names` not on it.\n     * @see R.pick\n     * @example\n     *\n     *      R.omit(['a', 'd'], {a: 1, b: 2, c: 3, d: 4}); //=> {b: 2, c: 3}\n     */\n    var omit = _curry2(function omit(names, obj) {\n        var result = {};\n        for (var prop in obj) {\n            if (!_contains(prop, names)) {\n                result[prop] = obj[prop];\n            }\n        }\n        return result;\n    });\n\n    /**\n     * Returns the left-to-right Kleisli composition of the provided functions,\n     * each of which must return a value of a type supported by [`chain`](#chain).\n     *\n     * `R.pipeK(f, g, h)` is equivalent to `R.pipe(R.chain(f), R.chain(g), R.chain(h))`.\n     *\n     * @func\n     * @memberOf R\n     * @since v0.16.0\n     * @category Function\n     * @sig Chain m => ((a -> m b), (b -> m c), ..., (y -> m z)) -> (m a -> m z)\n     * @param {...Function}\n     * @return {Function}\n     * @see R.composeK\n     * @example\n     *\n     *      //  parseJson :: String -> Maybe *\n     *      //  get :: String -> Object -> Maybe *\n     *\n     *      //  getStateCode :: Maybe String -> Maybe String\n     *      var getStateCode = R.pipeK(\n     *        parseJson,\n     *        get('user'),\n     *        get('address'),\n     *        get('state'),\n     *        R.compose(Maybe.of, R.toUpper)\n     *      );\n     *\n     *      getStateCode(Maybe.of('{\"user\":{\"address\":{\"state\":\"ny\"}}}'));\n     *      //=> Just('NY')\n     *      getStateCode(Maybe.of('[Invalid JSON]'));\n     *      //=> Nothing()\n     */\n    var pipeK = function pipeK() {\n        return composeK.apply(this, reverse(arguments));\n    };\n\n    /**\n     * Returns the string representation of the given value. `eval`'ing the output\n     * should result in a value equivalent to the input value. Many of the built-in\n     * `toString` methods do not satisfy this requirement.\n     *\n     * If the given value is an `[object Object]` with a `toString` method other\n     * than `Object.prototype.toString`, this method is invoked with no arguments\n     * to produce the return value. This means user-defined constructor functions\n     * can provide a suitable `toString` method. For example:\n     *\n     *     function Point(x, y) {\n     *       this.x = x;\n     *       this.y = y;\n     *     }\n     *\n     *     Point.prototype.toString = function() {\n     *       return 'new Point(' + this.x + ', ' + this.y + ')';\n     *     };\n     *\n     *     R.toString(new Point(1, 2)); //=> 'new Point(1, 2)'\n     *\n     * @func\n     * @memberOf R\n     * @since v0.14.0\n     * @category String\n     * @sig * -> String\n     * @param {*} val\n     * @return {String}\n     * @example\n     *\n     *      R.toString(42); //=> '42'\n     *      R.toString('abc'); //=> '\"abc\"'\n     *      R.toString([1, 2, 3]); //=> '[1, 2, 3]'\n     *      R.toString({foo: 1, bar: 2, baz: 3}); //=> '{\"bar\": 2, \"baz\": 3, \"foo\": 1}'\n     *      R.toString(new Date('2001-02-03T04:05:06Z')); //=> 'new Date(\"2001-02-03T04:05:06.000Z\")'\n     */\n    var toString = _curry1(function toString(val) {\n        return _toString(val, []);\n    });\n\n    /**\n     * Returns a new list without values in the first argument.\n     * `R.equals` is used to determine equality.\n     *\n     * Acts as a transducer if a transformer is given in list position.\n     *\n     * @func\n     * @memberOf R\n     * @since v0.19.0\n     * @category List\n     * @sig [a] -> [a] -> [a]\n     * @param {Array} list1 The values to be removed from `list2`.\n     * @param {Array} list2 The array to remove values from.\n     * @return {Array} The new array without values in `list1`.\n     * @see R.transduce\n     * @example\n     *\n     *      R.without([1, 2], [1, 2, 1, 3, 4]); //=> [3, 4]\n     */\n    var without = _curry2(function (xs, list) {\n        return reject(flip(_contains)(xs), list);\n    });\n\n    // A simple Set type that honours R.equals semantics\n    /* globals Set */\n    // until we figure out why jsdoc chokes on this\n    // @param item The item to add to the Set\n    // @returns {boolean} true if the item did not exist prior, otherwise false\n    //\n    //\n    // @param item The item to check for existence in the Set\n    // @returns {boolean} true if the item exists in the Set, otherwise false\n    //\n    //\n    // Combines the logic for checking whether an item is a member of the set and\n    // for adding a new item to the set.\n    //\n    // @param item       The item to check or add to the Set instance.\n    // @param shouldAdd  If true, the item will be added to the set if it doesn't\n    //                   already exist.\n    // @param set        The set instance to check or add to.\n    // @return {boolean} true if the item already existed, otherwise false.\n    //\n    // distinguish between +0 and -0\n    // these types can all utilise the native Set\n    // set._items['boolean'] holds a two element array\n    // representing [ falseExists, trueExists ]\n    // compare functions for reference equality\n    /* falls through */\n    // reduce the search size of heterogeneous sets by creating buckets\n    // for each type.\n    // scan through all previously applied items\n    var _Set = function () {\n        function _Set() {\n            /* globals Set */\n            this._nativeSet = typeof Set === 'function' ? new Set() : null;\n            this._items = {};\n        }\n        // until we figure out why jsdoc chokes on this\n        // @param item The item to add to the Set\n        // @returns {boolean} true if the item did not exist prior, otherwise false\n        //\n        _Set.prototype.add = function (item) {\n            return !hasOrAdd(item, true, this);\n        };\n        //\n        // @param item The item to check for existence in the Set\n        // @returns {boolean} true if the item exists in the Set, otherwise false\n        //\n        _Set.prototype.has = function (item) {\n            return hasOrAdd(item, false, this);\n        };\n        //\n        // Combines the logic for checking whether an item is a member of the set and\n        // for adding a new item to the set.\n        //\n        // @param item       The item to check or add to the Set instance.\n        // @param shouldAdd  If true, the item will be added to the set if it doesn't\n        //                   already exist.\n        // @param set        The set instance to check or add to.\n        // @return {boolean} true if the item already existed, otherwise false.\n        //\n        function hasOrAdd(item, shouldAdd, set) {\n            var type = typeof item;\n            var prevSize, newSize;\n            switch (type) {\n            case 'string':\n            case 'number':\n                // distinguish between +0 and -0\n                if (item === 0 && 1 / item === -Infinity) {\n                    if (set._items['-0']) {\n                        return true;\n                    } else {\n                        if (shouldAdd) {\n                            set._items['-0'] = true;\n                        }\n                        return false;\n                    }\n                }\n                // these types can all utilise the native Set\n                if (set._nativeSet !== null) {\n                    if (shouldAdd) {\n                        prevSize = set._nativeSet.size;\n                        set._nativeSet.add(item);\n                        newSize = set._nativeSet.size;\n                        return newSize === prevSize;\n                    } else {\n                        return set._nativeSet.has(item);\n                    }\n                } else {\n                    if (!(type in set._items)) {\n                        if (shouldAdd) {\n                            set._items[type] = {};\n                            set._items[type][item] = true;\n                        }\n                        return false;\n                    } else if (item in set._items[type]) {\n                        return true;\n                    } else {\n                        if (shouldAdd) {\n                            set._items[type][item] = true;\n                        }\n                        return false;\n                    }\n                }\n            case 'boolean':\n                // set._items['boolean'] holds a two element array\n                // representing [ falseExists, trueExists ]\n                if (type in set._items) {\n                    var bIdx = item ? 1 : 0;\n                    if (set._items[type][bIdx]) {\n                        return true;\n                    } else {\n                        if (shouldAdd) {\n                            set._items[type][bIdx] = true;\n                        }\n                        return false;\n                    }\n                } else {\n                    if (shouldAdd) {\n                        set._items[type] = item ? [\n                            false,\n                            true\n                        ] : [\n                            true,\n                            false\n                        ];\n                    }\n                    return false;\n                }\n            case 'function':\n                // compare functions for reference equality\n                if (set._nativeSet !== null) {\n                    if (shouldAdd) {\n                        prevSize = set._nativeSet.size;\n                        set._nativeSet.add(item);\n                        newSize = set._nativeSet.size;\n                        return newSize > prevSize;\n                    } else {\n                        return set._nativeSet.has(item);\n                    }\n                } else {\n                    if (!(type in set._items)) {\n                        if (shouldAdd) {\n                            set._items[type] = [item];\n                        }\n                        return false;\n                    }\n                    if (!_contains(item, set._items[type])) {\n                        if (shouldAdd) {\n                            set._items[type].push(item);\n                        }\n                        return false;\n                    }\n                    return true;\n                }\n            case 'undefined':\n                if (set._items[type]) {\n                    return true;\n                } else {\n                    if (shouldAdd) {\n                        set._items[type] = true;\n                    }\n                    return false;\n                }\n            case 'object':\n                if (item === null) {\n                    if (!set._items['null']) {\n                        if (shouldAdd) {\n                            set._items['null'] = true;\n                        }\n                        return false;\n                    }\n                    return true;\n                }\n            /* falls through */\n            default:\n                // reduce the search size of heterogeneous sets by creating buckets\n                // for each type.\n                type = Object.prototype.toString.call(item);\n                if (!(type in set._items)) {\n                    if (shouldAdd) {\n                        set._items[type] = [item];\n                    }\n                    return false;\n                }\n                // scan through all previously applied items\n                if (!_contains(item, set._items[type])) {\n                    if (shouldAdd) {\n                        set._items[type].push(item);\n                    }\n                    return false;\n                }\n                return true;\n            }\n        }\n        return _Set;\n    }();\n\n    /**\n     * A function wrapping calls to the two functions in an `&&` operation,\n     * returning the result of the first function if it is false-y and the result\n     * of the second function otherwise. Note that this is short-circuited,\n     * meaning that the second function will not be invoked if the first returns a\n     * false-y value.\n     *\n     * In addition to functions, `R.both` also accepts any fantasy-land compatible\n     * applicative functor.\n     *\n     * @func\n     * @memberOf R\n     * @since v0.12.0\n     * @category Logic\n     * @sig (*... -> Boolean) -> (*... -> Boolean) -> (*... -> Boolean)\n     * @param {Function} f a predicate\n     * @param {Function} g another predicate\n     * @return {Function} a function that applies its arguments to `f` and `g` and `&&`s their outputs together.\n     * @see R.and\n     * @example\n     *\n     *      var gt10 = x => x > 10;\n     *      var even = x => x % 2 === 0;\n     *      var f = R.both(gt10, even);\n     *      f(100); //=> true\n     *      f(101); //=> false\n     */\n    var both = _curry2(function both(f, g) {\n        return _isFunction(f) ? function _both() {\n            return f.apply(this, arguments) && g.apply(this, arguments);\n        } : lift(and)(f, g);\n    });\n\n    /**\n     * Takes a function `f` and returns a function `g` such that:\n     *\n     *   - applying `g` to zero or more arguments will give __true__ if applying\n     *     the same arguments to `f` gives a logical __false__ value; and\n     *\n     *   - applying `g` to zero or more arguments will give __false__ if applying\n     *     the same arguments to `f` gives a logical __true__ value.\n     *\n     * `R.complement` will work on all other functors as well.\n     *\n     * @func\n     * @memberOf R\n     * @since v0.12.0\n     * @category Logic\n     * @sig (*... -> *) -> (*... -> Boolean)\n     * @param {Function} f\n     * @return {Function}\n     * @see R.not\n     * @example\n     *\n     *      var isEven = n => n % 2 === 0;\n     *      var isOdd = R.complement(isEven);\n     *      isOdd(21); //=> true\n     *      isOdd(42); //=> false\n     */\n    var complement = lift(not);\n\n    /**\n     * Returns the result of concatenating the given lists or strings.\n     *\n     * Note: `R.concat` expects both arguments to be of the same type,\n     * unlike the native `Array.prototype.concat` method. It will throw\n     * an error if you `concat` an Array with a non-Array value.\n     *\n     * Dispatches to the `concat` method of the first argument, if present.\n     *\n     * @func\n     * @memberOf R\n     * @since v0.1.0\n     * @category List\n     * @sig [a] -> [a] -> [a]\n     * @sig String -> String -> String\n     * @param {Array|String} a\n     * @param {Array|String} b\n     * @return {Array|String}\n     *\n     * @example\n     *\n     *      R.concat([], []); //=> []\n     *      R.concat([4, 5, 6], [1, 2, 3]); //=> [4, 5, 6, 1, 2, 3]\n     *      R.concat('ABC', 'DEF'); // 'ABCDEF'\n     */\n    var concat = _curry2(function concat(a, b) {\n        if (a == null || !_isFunction(a.concat)) {\n            throw new TypeError(toString(a) + ' does not have a method named \"concat\"');\n        }\n        if (_isArray(a) && !_isArray(b)) {\n            throw new TypeError(toString(b) + ' is not an array');\n        }\n        return a.concat(b);\n    });\n\n    /**\n     * A function wrapping calls to the two functions in an `||` operation,\n     * returning the result of the first function if it is truth-y and the result\n     * of the second function otherwise. Note that this is short-circuited,\n     * meaning that the second function will not be invoked if the first returns a\n     * truth-y value.\n     *\n     * In addition to functions, `R.either` also accepts any fantasy-land compatible\n     * applicative functor.\n     *\n     * @func\n     * @memberOf R\n     * @since v0.12.0\n     * @category Logic\n     * @sig (*... -> Boolean) -> (*... -> Boolean) -> (*... -> Boolean)\n     * @param {Function} f a predicate\n     * @param {Function} g another predicate\n     * @return {Function} a function that applies its arguments to `f` and `g` and `||`s their outputs together.\n     * @see R.or\n     * @example\n     *\n     *      var gt10 = x => x > 10;\n     *      var even = x => x % 2 === 0;\n     *      var f = R.either(gt10, even);\n     *      f(101); //=> true\n     *      f(8); //=> true\n     */\n    var either = _curry2(function either(f, g) {\n        return _isFunction(f) ? function _either() {\n            return f.apply(this, arguments) || g.apply(this, arguments);\n        } : lift(or)(f, g);\n    });\n\n    /**\n     * Turns a named method with a specified arity into a function that can be\n     * called directly supplied with arguments and a target object.\n     *\n     * The returned function is curried and accepts `arity + 1` parameters where\n     * the final parameter is the target object.\n     *\n     * @func\n     * @memberOf R\n     * @since v0.1.0\n     * @category Function\n     * @sig Number -> String -> (a -> b -> ... -> n -> Object -> *)\n     * @param {Number} arity Number of arguments the returned function should take\n     *        before the target object.\n     * @param {String} method Name of the method to call.\n     * @return {Function} A new curried function.\n     * @example\n     *\n     *      var sliceFrom = R.invoker(1, 'slice');\n     *      sliceFrom(6, 'abcdefghijklm'); //=> 'ghijklm'\n     *      var sliceFrom6 = R.invoker(2, 'slice')(6);\n     *      sliceFrom6(8, 'abcdefghijklm'); //=> 'gh'\n     */\n    var invoker = _curry2(function invoker(arity, method) {\n        return curryN(arity + 1, function () {\n            var target = arguments[arity];\n            if (target != null && _isFunction(target[method])) {\n                return target[method].apply(target, _slice(arguments, 0, arity));\n            }\n            throw new TypeError(toString(target) + ' does not have a method named \"' + method + '\"');\n        });\n    });\n\n    /**\n     * Returns a string made by inserting the `separator` between each element and\n     * concatenating all the elements into a single string.\n     *\n     * @func\n     * @memberOf R\n     * @since v0.1.0\n     * @category List\n     * @sig String -> [a] -> String\n     * @param {Number|String} separator The string used to separate the elements.\n     * @param {Array} xs The elements to join into a string.\n     * @return {String} str The string made by concatenating `xs` with `separator`.\n     * @see R.split\n     * @example\n     *\n     *      var spacer = R.join(' ');\n     *      spacer(['a', 2, 3.4]);   //=> 'a 2 3.4'\n     *      R.join('|', [1, 2, 3]);    //=> '1|2|3'\n     */\n    var join = invoker(1, 'join');\n\n    /**\n     * Creates a new function that, when invoked, caches the result of calling `fn`\n     * for a given argument set and returns the result. Subsequent calls to the\n     * memoized `fn` with the same argument set will not result in an additional\n     * call to `fn`; instead, the cached result for that set of arguments will be\n     * returned.\n     *\n     * @func\n     * @memberOf R\n     * @since v0.1.0\n     * @category Function\n     * @sig (*... -> a) -> (*... -> a)\n     * @param {Function} fn The function to memoize.\n     * @return {Function} Memoized version of `fn`.\n     * @example\n     *\n     *      var count = 0;\n     *      var factorial = R.memoize(n => {\n     *        count += 1;\n     *        return R.product(R.range(1, n + 1));\n     *      });\n     *      factorial(5); //=> 120\n     *      factorial(5); //=> 120\n     *      factorial(5); //=> 120\n     *      count; //=> 1\n     */\n    var memoize = _curry1(function memoize(fn) {\n        var cache = {};\n        return _arity(fn.length, function () {\n            var key = toString(arguments);\n            if (!_has(key, cache)) {\n                cache[key] = fn.apply(this, arguments);\n            }\n            return cache[key];\n        });\n    });\n\n    /**\n     * Splits a string into an array of strings based on the given\n     * separator.\n     *\n     * @func\n     * @memberOf R\n     * @since v0.1.0\n     * @category String\n     * @sig (String | RegExp) -> String -> [String]\n     * @param {String|RegExp} sep The pattern.\n     * @param {String} str The string to separate into an array.\n     * @return {Array} The array of strings from `str` separated by `str`.\n     * @see R.join\n     * @example\n     *\n     *      var pathComponents = R.split('/');\n     *      R.tail(pathComponents('/usr/local/bin/node')); //=> ['usr', 'local', 'bin', 'node']\n     *\n     *      R.split('.', 'a.b.c.xyz.d'); //=> ['a', 'b', 'c', 'xyz', 'd']\n     */\n    var split = invoker(1, 'split');\n\n    /**\n     * Finds the set (i.e. no duplicates) of all elements contained in the first or\n     * second list, but not both.\n     *\n     * @func\n     * @memberOf R\n     * @since v0.19.0\n     * @category Relation\n     * @sig [*] -> [*] -> [*]\n     * @param {Array} list1 The first list.\n     * @param {Array} list2 The second list.\n     * @return {Array} The elements in `list1` or `list2`, but not both.\n     * @see R.symmetricDifferenceWith, R.difference, R.differenceWith\n     * @example\n     *\n     *      R.symmetricDifference([1,2,3,4], [7,6,5,4,3]); //=> [1,2,7,6,5]\n     *      R.symmetricDifference([7,6,5,4,3], [1,2,3,4]); //=> [7,6,5,1,2]\n     */\n    var symmetricDifference = _curry2(function symmetricDifference(list1, list2) {\n        return concat(difference(list1, list2), difference(list2, list1));\n    });\n\n    /**\n     * Finds the set (i.e. no duplicates) of all elements contained in the first or\n     * second list, but not both. Duplication is determined according to the value\n     * returned by applying the supplied predicate to two list elements.\n     *\n     * @func\n     * @memberOf R\n     * @since v0.19.0\n     * @category Relation\n     * @sig (a -> a -> Boolean) -> [a] -> [a] -> [a]\n     * @param {Function} pred A predicate used to test whether two items are equal.\n     * @param {Array} list1 The first list.\n     * @param {Array} list2 The second list.\n     * @return {Array} The elements in `list1` or `list2`, but not both.\n     * @see R.symmetricDifference, R.difference, R.differenceWith\n     * @example\n     *\n     *      var eqA = R.eqBy(R.prop('a'));\n     *      var l1 = [{a: 1}, {a: 2}, {a: 3}, {a: 4}];\n     *      var l2 = [{a: 3}, {a: 4}, {a: 5}, {a: 6}];\n     *      R.symmetricDifferenceWith(eqA, l1, l2); //=> [{a: 1}, {a: 2}, {a: 5}, {a: 6}]\n     */\n    var symmetricDifferenceWith = _curry3(function symmetricDifferenceWith(pred, list1, list2) {\n        return concat(differenceWith(pred, list1, list2), differenceWith(pred, list2, list1));\n    });\n\n    /**\n     * Determines whether a given string matches a given regular expression.\n     *\n     * @func\n     * @memberOf R\n     * @since v0.12.0\n     * @category String\n     * @sig RegExp -> String -> Boolean\n     * @param {RegExp} pattern\n     * @param {String} str\n     * @return {Boolean}\n     * @see R.match\n     * @example\n     *\n     *      R.test(/^x/, 'xyz'); //=> true\n     *      R.test(/^y/, 'xyz'); //=> false\n     */\n    var test = _curry2(function test(pattern, str) {\n        if (!_isRegExp(pattern)) {\n            throw new TypeError('\\u2018test\\u2019 requires a value of type RegExp as its first argument; received ' + toString(pattern));\n        }\n        return _cloneRegExp(pattern).test(str);\n    });\n\n    /**\n     * The lower case version of a string.\n     *\n     * @func\n     * @memberOf R\n     * @since v0.9.0\n     * @category String\n     * @sig String -> String\n     * @param {String} str The string to lower case.\n     * @return {String} The lower case version of `str`.\n     * @see R.toUpper\n     * @example\n     *\n     *      R.toLower('XYZ'); //=> 'xyz'\n     */\n    var toLower = invoker(0, 'toLowerCase');\n\n    /**\n     * The upper case version of a string.\n     *\n     * @func\n     * @memberOf R\n     * @since v0.9.0\n     * @category String\n     * @sig String -> String\n     * @param {String} str The string to upper case.\n     * @return {String} The upper case version of `str`.\n     * @see R.toLower\n     * @example\n     *\n     *      R.toUpper('abc'); //=> 'ABC'\n     */\n    var toUpper = invoker(0, 'toUpperCase');\n\n    /**\n     * Returns a new list containing only one copy of each element in the original\n     * list, based upon the value returned by applying the supplied function to\n     * each list element. Prefers the first item if the supplied function produces\n     * the same value on two items. `R.equals` is used for comparison.\n     *\n     * @func\n     * @memberOf R\n     * @since v0.16.0\n     * @category List\n     * @sig (a -> b) -> [a] -> [a]\n     * @param {Function} fn A function used to produce a value to use during comparisons.\n     * @param {Array} list The array to consider.\n     * @return {Array} The list of unique items.\n     * @example\n     *\n     *      R.uniqBy(Math.abs, [-1, -5, 2, 10, 1, 2]); //=> [-1, -5, 2, 10]\n     */\n    var uniqBy = _curry2(function uniqBy(fn, list) {\n        var set = new _Set();\n        var result = [];\n        var idx = 0;\n        var appliedItem, item;\n        while (idx < list.length) {\n            item = list[idx];\n            appliedItem = fn(item);\n            if (set.add(appliedItem)) {\n                result.push(item);\n            }\n            idx += 1;\n        }\n        return result;\n    });\n\n    /**\n     * Returns a new list containing only one copy of each element in the original\n     * list. `R.equals` is used to determine equality.\n     *\n     * @func\n     * @memberOf R\n     * @since v0.1.0\n     * @category List\n     * @sig [a] -> [a]\n     * @param {Array} list The array to consider.\n     * @return {Array} The list of unique items.\n     * @example\n     *\n     *      R.uniq([1, 1, 2, 1]); //=> [1, 2]\n     *      R.uniq([1, '1']);     //=> [1, '1']\n     *      R.uniq([[42], [42]]); //=> [[42]]\n     */\n    var uniq = uniqBy(identity);\n\n    /**\n     * Combines two lists into a set (i.e. no duplicates) composed of those\n     * elements common to both lists.\n     *\n     * @func\n     * @memberOf R\n     * @since v0.1.0\n     * @category Relation\n     * @sig [*] -> [*] -> [*]\n     * @param {Array} list1 The first list.\n     * @param {Array} list2 The second list.\n     * @return {Array} The list of elements found in both `list1` and `list2`.\n     * @see R.intersectionWith\n     * @example\n     *\n     *      R.intersection([1,2,3,4], [7,6,5,4,3]); //=> [4, 3]\n     */\n    var intersection = _curry2(function intersection(list1, list2) {\n        var lookupList, filteredList;\n        if (list1.length > list2.length) {\n            lookupList = list1;\n            filteredList = list2;\n        } else {\n            lookupList = list2;\n            filteredList = list1;\n        }\n        return uniq(_filter(flip(_contains)(lookupList), filteredList));\n    });\n\n    /**\n     * Combines two lists into a set (i.e. no duplicates) composed of the elements\n     * of each list.\n     *\n     * @func\n     * @memberOf R\n     * @since v0.1.0\n     * @category Relation\n     * @sig [*] -> [*] -> [*]\n     * @param {Array} as The first list.\n     * @param {Array} bs The second list.\n     * @return {Array} The first and second lists concatenated, with\n     *         duplicates removed.\n     * @example\n     *\n     *      R.union([1, 2, 3], [2, 3, 4]); //=> [1, 2, 3, 4]\n     */\n    var union = _curry2(compose(uniq, _concat));\n\n    var R = {\n        F: F,\n        T: T,\n        __: __,\n        add: add,\n        addIndex: addIndex,\n        adjust: adjust,\n        all: all,\n        allPass: allPass,\n        always: always,\n        and: and,\n        any: any,\n        anyPass: anyPass,\n        ap: ap,\n        aperture: aperture,\n        append: append,\n        apply: apply,\n        applySpec: applySpec,\n        assoc: assoc,\n        assocPath: assocPath,\n        binary: binary,\n        bind: bind,\n        both: both,\n        call: call,\n        chain: chain,\n        clamp: clamp,\n        clone: clone,\n        comparator: comparator,\n        complement: complement,\n        compose: compose,\n        composeK: composeK,\n        composeP: composeP,\n        concat: concat,\n        cond: cond,\n        construct: construct,\n        constructN: constructN,\n        contains: contains,\n        converge: converge,\n        countBy: countBy,\n        curry: curry,\n        curryN: curryN,\n        dec: dec,\n        defaultTo: defaultTo,\n        difference: difference,\n        differenceWith: differenceWith,\n        dissoc: dissoc,\n        dissocPath: dissocPath,\n        divide: divide,\n        drop: drop,\n        dropLast: dropLast,\n        dropLastWhile: dropLastWhile,\n        dropRepeats: dropRepeats,\n        dropRepeatsWith: dropRepeatsWith,\n        dropWhile: dropWhile,\n        either: either,\n        empty: empty,\n        eqBy: eqBy,\n        eqProps: eqProps,\n        equals: equals,\n        evolve: evolve,\n        filter: filter,\n        find: find,\n        findIndex: findIndex,\n        findLast: findLast,\n        findLastIndex: findLastIndex,\n        flatten: flatten,\n        flip: flip,\n        forEach: forEach,\n        fromPairs: fromPairs,\n        groupBy: groupBy,\n        groupWith: groupWith,\n        gt: gt,\n        gte: gte,\n        has: has,\n        hasIn: hasIn,\n        head: head,\n        identical: identical,\n        identity: identity,\n        ifElse: ifElse,\n        inc: inc,\n        indexBy: indexBy,\n        indexOf: indexOf,\n        init: init,\n        insert: insert,\n        insertAll: insertAll,\n        intersection: intersection,\n        intersectionWith: intersectionWith,\n        intersperse: intersperse,\n        into: into,\n        invert: invert,\n        invertObj: invertObj,\n        invoker: invoker,\n        is: is,\n        isArrayLike: isArrayLike,\n        isEmpty: isEmpty,\n        isNil: isNil,\n        join: join,\n        juxt: juxt,\n        keys: keys,\n        keysIn: keysIn,\n        last: last,\n        lastIndexOf: lastIndexOf,\n        length: length,\n        lens: lens,\n        lensIndex: lensIndex,\n        lensPath: lensPath,\n        lensProp: lensProp,\n        lift: lift,\n        liftN: liftN,\n        lt: lt,\n        lte: lte,\n        map: map,\n        mapAccum: mapAccum,\n        mapAccumRight: mapAccumRight,\n        mapObjIndexed: mapObjIndexed,\n        match: match,\n        mathMod: mathMod,\n        max: max,\n        maxBy: maxBy,\n        mean: mean,\n        median: median,\n        memoize: memoize,\n        merge: merge,\n        mergeAll: mergeAll,\n        mergeWith: mergeWith,\n        mergeWithKey: mergeWithKey,\n        min: min,\n        minBy: minBy,\n        modulo: modulo,\n        multiply: multiply,\n        nAry: nAry,\n        negate: negate,\n        none: none,\n        not: not,\n        nth: nth,\n        nthArg: nthArg,\n        objOf: objOf,\n        of: of,\n        omit: omit,\n        once: once,\n        or: or,\n        over: over,\n        pair: pair,\n        partial: partial,\n        partialRight: partialRight,\n        partition: partition,\n        path: path,\n        pathEq: pathEq,\n        pathOr: pathOr,\n        pathSatisfies: pathSatisfies,\n        pick: pick,\n        pickAll: pickAll,\n        pickBy: pickBy,\n        pipe: pipe,\n        pipeK: pipeK,\n        pipeP: pipeP,\n        pluck: pluck,\n        prepend: prepend,\n        product: product,\n        project: project,\n        prop: prop,\n        propEq: propEq,\n        propIs: propIs,\n        propOr: propOr,\n        propSatisfies: propSatisfies,\n        props: props,\n        range: range,\n        reduce: reduce,\n        reduceBy: reduceBy,\n        reduceRight: reduceRight,\n        reduceWhile: reduceWhile,\n        reduced: reduced,\n        reject: reject,\n        remove: remove,\n        repeat: repeat,\n        replace: replace,\n        reverse: reverse,\n        scan: scan,\n        sequence: sequence,\n        set: set,\n        slice: slice,\n        sort: sort,\n        sortBy: sortBy,\n        split: split,\n        splitAt: splitAt,\n        splitEvery: splitEvery,\n        splitWhen: splitWhen,\n        subtract: subtract,\n        sum: sum,\n        symmetricDifference: symmetricDifference,\n        symmetricDifferenceWith: symmetricDifferenceWith,\n        tail: tail,\n        take: take,\n        takeLast: takeLast,\n        takeLastWhile: takeLastWhile,\n        takeWhile: takeWhile,\n        tap: tap,\n        test: test,\n        times: times,\n        toLower: toLower,\n        toPairs: toPairs,\n        toPairsIn: toPairsIn,\n        toString: toString,\n        toUpper: toUpper,\n        transduce: transduce,\n        transpose: transpose,\n        traverse: traverse,\n        trim: trim,\n        tryCatch: tryCatch,\n        type: type,\n        unapply: unapply,\n        unary: unary,\n        uncurryN: uncurryN,\n        unfold: unfold,\n        union: union,\n        unionWith: unionWith,\n        uniq: uniq,\n        uniqBy: uniqBy,\n        uniqWith: uniqWith,\n        unless: unless,\n        unnest: unnest,\n        until: until,\n        update: update,\n        useWith: useWith,\n        values: values,\n        valuesIn: valuesIn,\n        view: view,\n        when: when,\n        where: where,\n        whereEq: whereEq,\n        without: without,\n        wrap: wrap,\n        xprod: xprod,\n        zip: zip,\n        zipObj: zipObj,\n        zipWith: zipWith\n    };\n  /* eslint-env amd */\n\n  /* TEST_ENTRY_POINT */\n\n  if (typeof exports === 'object') {\n    module.exports = R;\n  } else if (typeof define === 'function' && define.amd) {\n    define(function() { return R; });\n  } else {\n    this.R = R;\n  }\n\n}.call(this));\n"]}
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}));
}).call(this,typeof global !== "undefined" ? global : typeof self !== "undefined" ? self : typeof window !== "undefined" ? window : {})
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},{}],"fluture":[function(require,module,exports){
(function (global){
//// ____ _ _
//// / ___| | | |_
//// | |__ | | _ _ | _\ _ ___ ___
//// | __|| || | | || || | | || _// _ \
//// | | | || |_| || || |_| || | | __/
//// |_| |_| \__,_||_| \__,_||_| \___\
////
(function(global, f){
'use strict';
/*istanbul ignore next*/
if(module && typeof module.exports !== 'undefined'){
module.exports = f(require('inspect-f'));
}
else{
global.Fluture = f(global.inspectf);
}
}(/*istanbul ignore next*/(global || window || this), function(inspectf){
'use strict';
///////////////////
// Type checking //
///////////////////
const TYPEOF_FUTURE = 'fluture/Future';
const FL = {
map: 'fantasy-land/map',
bimap: 'fantasy-land/bimap',
chain: 'fantasy-land/chain',
chainRec: 'fantasy-land/chainRec',
ap: 'fantasy-land/ap',
of: 'fantasy-land/of'
};
function isForkable(m){
return Boolean(m) && typeof m.fork === 'function' && m.fork.length >= 2;
}
function isFuture(m){
return (m instanceof FutureClass) || Boolean(m) && m['@@type'] === TYPEOF_FUTURE;
}
function isFunction(f){
return typeof f === 'function';
}
function isBinary(f){
return f.length >= 2;
}
function isTernary(f){
return f.length >= 3;
}
function isPositiveInteger(n){
return n === Infinity || (typeof n === 'number' && n > 0 && n % 1 === 0 && n === n);
}
function isObject(o){
return o !== null && typeof o === 'object';
}
function isIterator(i){
return isObject(i) && typeof i.next === 'function';
}
function isIteration(o){
return isObject(o) && typeof o.done === 'boolean';
}
///////////////
// Utilities //
///////////////
//A small string representing a value, but not containing the whole value.
const preview = x =>
typeof x === 'string'
? JSON.stringify(x)
: Array.isArray(x)
? `[Array: ${x.length}]`
: typeof x === 'function'
? typeof x.name === 'string' && x.name.length > 0
? `[Function: ${x.name}]`
: /*istanbul ignore next*/ '[Function]' //Only for older JS engines.
: x && typeof x === 'object'
? `[Object: ${Object.keys(x).map(String).join(', ')}]`
: String(x);
//A show function to provide a slightly more meaningful representation of values.
const show = x =>
typeof x === 'string'
? preview(x)
: Array.isArray(x)
? `[${x.map(preview).join(', ')}]`
: x && (typeof x.toString === 'function')
? x.toString === Object.prototype.toString
? `{${Object.keys(x).reduce((o, k) => o.concat(`${preview(k)}: ${preview(x[k])}`), []).join(', ')}}`
: x.toString()
: preview(x);
const noop = function noop(){};
const call = function call(f){f()};
const padf = (sf, s) => s.replace(/^/gm, sf).replace(sf, '');
const showf = f => padf(' ', inspectf(2, f));
const fid = f => f.name ? f.name : '<anonymous>';
const ordinal = ['first', 'second', 'third', 'fourth', 'fifth'];
const Next = x => ({done: false, value: x});
const Done = x => ({done: true, value: x});
//Partially apply a function with a single argument.
function unaryPartial(f, a){
return function partial(b, c, d){
switch(arguments.length){
case 1: return f(a, b);
case 2: return f(a, b, c);
default: return f(a, b, c, d);
}
};
}
//Partially apply a function with two arguments.
function binaryPartial(f, a, b){
return function partial(c, d){ return arguments.length === 1 ? f(a, b, c) : f(a, b, c, d) };
}
//Partially apply a function with three arguments.
function ternaryPartial(f, a, b, c){
return function partial(d){ return f(a, b, c, d) };
}
////////////
// Errors //
////////////
function error$invalidArgument(it, at, expected, actual){
throw new TypeError(
`${it} expects its ${ordinal[at]} argument to ${expected}\n Actual: ${show(actual)}`
);
}
function error$invalidContext(it, actual){
throw new TypeError(
`${it} was invoked outside the context of a Future. You might want to use`
+ ` a dispatcher instead\n Called on: ${show(actual)}`
)
}
function check$Future(fork){
if(!isFunction(fork)) error$invalidArgument('Future', 0, 'be a function', fork);
}
function check$fork(it, rej, res){
if(!isFuture(it)) error$invalidContext('Future#fork', it);
if(!isFunction(rej)) error$invalidArgument('Future#fork', 0, 'be a function', rej);
if(!isFunction(res)) error$invalidArgument('Future#fork', 1, 'be a function', res);
}
function check$fork$f(f, c){
if(!(f === undefined || (isFunction(f) && f.length === 0))) throw new TypeError(
'Future#fork expected the computation to return a nullary function or void'
+ `\n Actual: ${show(f)}\n From calling: ${showf(c)}`
);
}
function check$chain(it, f){
if(!isFuture(it)) error$invalidContext('Future#chain', it);
if(!isFunction(f)) error$invalidArgument('Future#chain', 0, 'be a function', f);
}
function check$chainRec(f){
if(!isFunction(f)) error$invalidArgument('Future.chainRec', 0, 'be a function', f);
}
function check$chainRec$f(m, f, i, x){
if(!isFuture(m)) throw new TypeError(
'Future.chainRec expects the function its given to return a Future every'
+ ' time it is called. The value returned from'
+ (ordinal[i] ? ` the ${ordinal[i]} call` : ` call ${i}`)
+ ' was not a Future.'
+ `\n Actual: ${show(m)}\n From calling: ${showf(f)}\n With: (Next, Done, ${show(x)})`
);
}
function check$chainRec$it(it, i){
if(!isIteration(it)) throw new TypeError(
'Future.chainRec expects the function its given to return a Future of an'
+ ' Iteration every time it is called. The Future returned from'
+ (ordinal[i] ? ` the ${ordinal[i]} call` : ` call ${i}`)
+ ' did not resolve to a member of Iteration.'
+ '\n You can create an uncomplete or complete Iteration using the next'
+ ' or done functions respectively. These are passed into your callback'
+ ' as first and second arguments.'
+ `\n Actual: Future.of(${show(it)})`
);
}
function check$recur(it, f){
if(!isFuture(it)) error$invalidContext('Future#recur', it);
if(!isFunction(f)) error$invalidArgument('Future#recur', 0, 'be a function', f);
}
function check$chain$f(m, f, x){
if(!isFuture(m)) throw new TypeError(
'Future#chain expects the function its given to return a Future'
+ `\n Actual: ${show(m)}\n From calling: ${showf(f)}\n With: ${show(x)}`
);
}
function check$recur$f(m, f, x){
if(!isFuture(m)) throw new TypeError(
'Future#recur expects the function its given to return a Future'
+ `\n Actual: ${show(m)}\n From calling: ${showf(f)}\n With: ${show(x)}`
);
}
function check$chainRej(it, f){
if(!isFuture(it)) error$invalidContext('Future.chainRej', it);
if(!isFunction(f)) error$invalidArgument('Future.chainRej', 0, 'a function', f);
}
function check$chainRej$f(m, f, x){
if(!isFuture(m)) throw new TypeError(
'Future.chainRej expects the function its given to return a Future'
+ `\n Actual: ${show(m)}\n From calling: ${showf(f)}\n With: ${show(x)}`
);
}
function check$map(it, f){
if(!isFuture(it)) error$invalidContext('Future#map', it);
if(!isFunction(f)) error$invalidArgument('Future#map', 0, 'be a function', f);
}
function check$mapRej(it, f){
if(!isFuture(it)) error$invalidContext('Future#mapRej', it);
if(!isFunction(f)) error$invalidArgument('Future#mapRej', 0, 'be a function', f);
}
function check$bimap(it, f, g){
if(!isFuture(it)) error$invalidContext('Future#bimap', it);
if(!isFunction(f)) error$invalidArgument('Future#bimap', 0, 'be a function', f);
if(!isFunction(g)) error$invalidArgument('Future#bimap', 1, 'be a function', g);
}
function check$ap(it, m){
if(!isFuture(it)) error$invalidContext('Future#ap', it);
if(!isFuture(m)) error$invalidArgument('Future#ap', 0, 'be a Future', m);
}
function check$ap$f(f){
if(!isFunction(f)) throw new TypeError(
'Future#ap expects its first argument to be a Future of a Function'
+ `\n Actual: Future.of(${show(f)})`
);
}
function check$swap(it){
if(!isFuture(it)) error$invalidContext('Future#swap', it);
}
function check$race(it, m){
if(!isFuture(it)) error$invalidContext('Future#race', it);
if(!isFuture(m)) error$invalidArgument('Future#race', 0, 'be a Future', m);
}
function check$or(it, m){
if(!isFuture(it)) error$invalidContext('Future#or', it);
if(!isFuture(m)) error$invalidArgument('Future#or', 0, 'be a Future', m);
}
function check$fold(it, f, g){
if(!isFuture(it)) error$invalidContext('Future#fold', it);
if(!isFunction(f)) error$invalidArgument('Future#fold', 0, 'be a function', f);
if(!isFunction(g)) error$invalidArgument('Future#fold', 1, 'be a function', g);
}
function check$hook(it, f, g){
if(!isFuture(it)) error$invalidContext('Future#hook', it);
if(!isFunction(f)) error$invalidArgument('Future#hook', 0, 'be a function', f);
if(!isFunction(g)) error$invalidArgument('Future#hook', 1, 'be a function', g);
}
function check$hook$f(m, f, x){
if(!isFuture(m)) throw new TypeError(
'Future#hook expects the first function its given to return a Future'
+ `\n Actual: ${show(m)}\n From calling: ${showf(f)}\n With: ${show(x)}`
);
}
function check$hook$g(m, g, x){
if(!isFuture(m)) throw new TypeError(
'Future#hook expects the second function its given to return a Future'
+ `\n Actual: ${show(m)}\n From calling: ${showf(g)}\n With: ${show(x)}`
);
}
function check$finally(it, m){
if(!isFuture(it)) error$invalidContext('Future#finally', it);
if(!isFuture(m)) error$invalidArgument('Future#finally', 0, 'be a Future', m);
}
function check$value(it, f){
if(!isFuture(it)) error$invalidContext('Future#value', it);
if(!isFunction(f)) error$invalidArgument('Future#value', 0, 'be a function', f);
}
function check$promise(it){
if(!isFuture(it)) error$invalidContext('Future#promise', it);
}
function check$cache(it){
if(!isFuture(it)) error$invalidContext('Future#cache', it);
}
function check$after(n){
if(typeof n !== 'number') error$invalidArgument('Future.after', 0, 'be a number', n);
}
function check$cast(m){
if(!isForkable(m)) error$invalidArgument('Future.cast', 0, 'be a Forkable', m);
}
function check$encase(f){
if(!isFunction(f)) error$invalidArgument('Future.encase', 0, 'be a function', f);
}
function check$encase2(f){
if(!isFunction(f)) error$invalidArgument('Future.encase2', 0, 'be a function', f);
if(!isBinary(f)) error$invalidArgument('Future.encase2', 0, 'take two arguments', f);
}
function check$encase3(f){
if(!isFunction(f)) error$invalidArgument('Future.encase3', 0, 'be a function', f);
if(!isTernary(f)) error$invalidArgument('Future.encase3', 0, 'take three arguments', f);
}
function check$node(f){
if(!isFunction(f)) error$invalidArgument('Future.node', 0, 'be a function', f);
}
function check$parallel(i, ms){
if(!isPositiveInteger(i)) error$invalidArgument('Future.parallel', 0, 'be a positive integer', i);
if(!Array.isArray(ms)) error$invalidArgument('Future.parallel', 1, 'be an array', ms);
}
function check$parallel$m(m, i){
if(!isFuture(m)) throw new TypeError(
'Future.parallel expects its second argument to be an array of Futures.'
+ ` The value at position ${i} in the array was not a Future\n Actual: ${show(m)}`
);
}
function check$do(f){
if(!isFunction(f)) error$invalidArgument('Future.do', 0, 'be a function', f);
}
function check$do$g(g){
if(!isIterator(g)) error$invalidArgument(
'Future.do', 0, 'return an iterator, maybe you forgot the "*"', g
);
}
function check$do$next(o){
if(!isIteration(o)) throw new TypeError(
'Future.do was given an invalid generator:'
+ ' Its iterator did not return a valid iteration from iterator.next()'
+ `\n Actual: ${show(o)}`
);
if(!o.done && !isFuture(o.value)) throw new TypeError(
'A non-Future was produced by iterator.next() in Future.do.'
+ ' If you\'re using a generator, make sure you always `yield` a Future'
+ `\n Actual: ${o.value}`
);
}
////////////
// Future //
////////////
function FutureClass(safe, f){
this._f = safe === true ? Future$safeFork : f;
this._raw = f;
}
function Future(f){
check$Future(f);
return new FutureClass(true, f);
}
function Future$of(x){
return new FutureClass(false, function Future$of$fork(rej, res){
res(x);
return noop;
});
}
function Future$chainRec(f, init){
if(arguments.length === 1) return unaryPartial(Future$chainRec, f);
check$chainRec(f);
return new FutureClass(false, function(rej, res){
let cancel = noop, i = 0;
(function Future$chainRec$recur(state){
let isSync = null;
function Future$chainRec$res(it){
check$chainRec$it(it, i);
i = i + 1;
if(isSync === null){
isSync = true;
state = it;
}else{
Future$chainRec$recur(it);
}
}
while(!state.done){
isSync = null;
const m = f(Next, Done, state.value);
check$chainRec$f(m, f, i, state.value);
cancel = m._f(rej, Future$chainRec$res);
if(isSync === true){
continue;
}else{
isSync = false;
return;
}
}
res(state.value);
}(Next(init)));
return function Future$chainRec$cancel(){ cancel() };
});
}
function Future$fork(rej, res){
check$fork(this, rej, res);
return this._f(rej, res);
}
function Future$safeFork(rej, res){
let open = true;
const f = this._raw(function Future$safeFork$rej(x){
if(open){
open = false;
rej(x);
}
}, function Future$safeFork$res(x){
if(open){
open = false;
res(x);
}
});
check$fork$f(f, this._raw);
return function Future$safeFork$cancel(){
open && f && f();
open = false;
};
}
function Future$chain(f){
check$chain(this, f);
const _this = this;
return new FutureClass(false, function Future$chain$fork(rej, res){
let cancel;
const r = _this._f(rej, function Future$chain$res(x){
const m = f(x);
check$chain$f(m, f, x);
cancel = m._f(rej, res);
});
return cancel ? cancel : (cancel = r, function Future$chain$cancel(){ cancel() });
});
}
function Future$recur(f){
check$recur(this, f);
const _this = this;
return new FutureClass(false, function Future$chain$fork(rej, res){
return _this._f(rej, function Future$chain$res(x){
const m = f(x);
check$recur$f(m, f, x);
m._f(rej, res);
});
});
}
function Future$chainRej(f){
check$chainRej(this, f);
const _this = this;
return new FutureClass(false, function Future$chainRej$fork(rej, res){
let cancel;
const r = _this._f(function Future$chainRej$rej(x){
const m = f(x);
check$chainRej$f(m, f, x);
cancel = m._f(rej, res);
}, res);
return cancel ? cancel : (cancel = r, function Future$chainRej$cancel(){ cancel() });
});
}
function Future$map(f){
check$map(this, f);
const _this = this;
return new FutureClass(false, function Future$map$fork(rej, res){
return _this._f(rej, function Future$map$res(x){
res(f(x));
});
});
}
function Future$mapRej(f){
check$mapRej(this, f);
const _this = this;
return new FutureClass(false, function Future$mapRej$fork(rej, res){
return _this._f(function Future$mapRej$rej(x){
rej(f(x));
}, res);
});
}
function Future$bimap(f, g){
check$bimap(this, f, g);
const _this = this;
return new FutureClass(false, function Future$bimap$fork(rej, res){
return _this._f(function Future$bimap$rej(x){
rej(f(x));
}, function Future$bimap$res(x){
res(g(x));
});
});
}
function Future$ap(m){
check$ap(this, m);
const _this = this;
return new FutureClass(false, function Future$ap$fork(g, res){
let _f, _x, ok1, ok2, ko;
const rej = x => ko || (ko = 1, g(x));
const c1 = _this._f(rej, function Future$ap$resThis(x){
if(!ok1) return void (ok2 = 1, _x = x)
check$ap$f(_f);
res(_f(x));
});
const c2 = m._f(rej, function Future$ap$resThat(f){
if(!ok2) return void (ok1 = 1, _f = f);
check$ap$f(f);
res(f(_x));
});
return function Future$ap$cancel(){ c1(); c2() };
});
}
function Future$swap(){
check$swap(this);
const _this = this;
return new FutureClass(false, function Future$swap$fork(rej, res){
return _this._f(res, rej);
});
}
function Future$toString(){
return `Future(${this._raw.toString()})`;
}
function Future$race(m){
check$race(this, m);
const _this = this;
return new FutureClass(false, function Future$race$fork(rej, res){
let settled = false, c1 = noop, c2 = noop;
const once = f => a => settled || (settled = true, c1(), c2(), f(a));
c1 = _this._f(once(rej), once(res));
c2 = m._f(once(rej), once(res));
return function Future$race$cancel(){ c1(); c2() };
});
}
function Future$or(m){
check$or(this, m);
const _this = this;
return new FutureClass(false, function Future$or$fork(rej, res){
let ok = false, ko = false, val, err;
const c1 = _this._f(
() => ko ? rej(err) : ok ? res(val) : (ko = true),
x => (ok = true, res(x))
);
const c2 = m._f(
e => ok || (ko ? rej(e) : (err = e, ko = true)),
x => ok || (ko ? res(x) : (val = x, ok = true))
);
return function Future$or$cancel(){ c1(); c2() };
});
}
function Future$fold(f, g){
check$fold(this, f, g);
const _this = this;
return new FutureClass(false, function Future$fold$fork(rej, res){
return _this._f(e => res(f(e)), x => res(g(x)));
});
}
function Future$hook(dispose, consume){
check$hook(this, dispose, consume);
const _this = this;
return new FutureClass(false, function Future$hook$fork(rej, res){
let cancel;
const ret = _this._f(rej, function Future$hook$res(resource){
const m = consume(resource);
check$hook$g(m, consume, resource);
cancel = m._f(e => {
const c = dispose(resource);
check$hook$f(c, dispose, resource);
c._f(rej, _ => rej(e));
}, x => {
const c = dispose(resource);
check$hook$f(c, dispose, resource);
c._f(rej, _ => res(x));
});
});
cancel = cancel || ret;
return function Future$hook$cancel(){ cancel() };
});
}
function Future$finally(m){
check$finally(this, m);
const _this = this;
return new FutureClass(false, function Future$finally$fork(rej, res){
let cancel;
const r = _this._f(function Future$finally$rej(e){
cancel = m._f(rej, function Future$finally$rej$res(){ rej(e) });
}, function Future$finally$res(x){
cancel = m._f(rej, function Future$finally$res$res(){ res(x) });
});
return cancel ? cancel : (cancel = r, function Future$finally$cancel(){ cancel() });
});
}
function Future$value(f){
check$value(this, f);
return this._f(
function Future$value$rej(e){
throw new Error(
`Future#value was called on a rejected Future\n Actual: Future.reject(${show(e)})`
);
},
f
);
}
function Future$promise(){
check$promise(this);
const _this = this;
return new Promise(function Future$promise$do(resolve, reject){
_this._f(reject, resolve);
});
}
function Future$cache(){
check$cache(this);
const _this = this;
let que = [];
let value, state;
const settleWith = newState => function Future$cache$settle(newValue){
value = newValue; state = newState;
for(let i = 0, l = que.length; i < l; i++){
que[i][state](value);
que[i] = undefined;
}
que = undefined;
};
return new FutureClass(false, function Future$cache$fork(rej, res){
let cancel = noop;
switch(state){
case 1: que.push({2: rej, 3: res}); break;
case 2: rej(value); break;
case 3: res(value); break;
default:
state = 1;
que.push({2: rej, 3: res});
cancel = _this._f(settleWith(2), settleWith(3));
}
return function Future$cache$cancel(){
que = [];
value = undefined;
state = undefined;
cancel();
};
});
}
FutureClass.prototype = Future.prototype = {
'@@type': TYPEOF_FUTURE,
_f: null,
fork: Future$fork,
[FL.of]: Future$of,
of: Future$of,
[FL.chainRec]: Future$chainRec,
[FL.chain]: Future$chain,
chain: Future$chain,
recur: Future$recur,
chainRej: Future$chainRej,
[FL.map]: Future$map,
map: Future$map,
mapRej: Future$mapRej,
[FL.bimap]: Future$bimap,
bimap: Future$bimap,
[FL.ap]: Future$ap,
ap: Future$ap,
swap: Future$swap,
toString: Future$toString,
inspect: Future$toString,
race: Future$race,
or: Future$or,
fold: Future$fold,
hook: Future$hook,
finally: Future$finally,
value: Future$value,
promise: Future$promise,
cache: Future$cache
};
Future[FL.of] = Future.of = Future$of;
Future[FL.chainRec] = Future.chainRec = Future$chainRec;
Future.Future = Future;
Future.util = {
Next,
Done,
isForkable,
isFuture,
isFunction,
isBinary,
isTernary,
isPositiveInteger,
isObject,
isIterator,
isIteration,
preview,
show,
padf,
showf,
fid,
unaryPartial,
binaryPartial,
ternaryPartial
};
/////////////////
// Dispatchers //
/////////////////
//Creates a dispatcher for a nullary method.
function createNullaryDispatcher(method){
return function nullaryDispatch(m){
if(m && typeof m[method] === 'function') return m[method]();
error$invalidArgument(`Future.${method}`, 1, `have a "${method}" method`, m);
};
}
//Creates a dispatcher for a unary method.
function createUnaryDispatcher(method){
return function unaryDispatch(a, m){
if(arguments.length === 1) return unaryPartial(unaryDispatch, a);
if(m && typeof m[method] === 'function') return m[method](a);
error$invalidArgument(`Future.${method}`, 1, `have a "${method}" method`, m);
};
}
//Creates a dispatcher for a binary method.
function createBinaryDispatcher(method){
return function binaryDispatch(a, b, m){
if(arguments.length === 1) return unaryPartial(binaryDispatch, a);
if(arguments.length === 2) return binaryPartial(binaryDispatch, a, b);
if(m && typeof m[method] === 'function') return m[method](a, b);
error$invalidArgument(`Future.${method}`, 2, `have a "${method}" method`, m);
};
}
//Creates a dispatcher for a binary method, but takes the object first rather than last.
function createInvertedBinaryDispatcher(method){
return function invertedBinaryDispatch(m, a, b){
if(arguments.length === 1) return unaryPartial(invertedBinaryDispatch, m);
if(arguments.length === 2) return binaryPartial(invertedBinaryDispatch, m, a);
if(m && typeof m[method] === 'function') return m[method](a, b);
error$invalidArgument(`Future.${method}`, 0, `have a "${method}" method`, m);
};
}
Future.chain = createUnaryDispatcher(FL.chain);
Future.recur = createUnaryDispatcher('recur');
Future.chainRej = createUnaryDispatcher('chainRej');
Future.map = createUnaryDispatcher(FL.map);
Future.mapRej = createUnaryDispatcher('mapRej');
Future.bimap = createBinaryDispatcher(FL.bimap);
Future.ap = createUnaryDispatcher(FL.ap);
Future.swap = createNullaryDispatcher('swap');
Future.fork = createBinaryDispatcher('fork');
Future.race = createUnaryDispatcher('race');
Future.or = createUnaryDispatcher('or');
Future.fold = createBinaryDispatcher('fold');
Future.hook = createInvertedBinaryDispatcher('hook');
Future.finally = createUnaryDispatcher('finally');
Future.value = createUnaryDispatcher('value');
Future.promise = createNullaryDispatcher('promise');
Future.cache = createNullaryDispatcher('cache');
/////////////////////
// Other functions //
/////////////////////
Future.isFuture = isFuture;
Future.isForkable = isForkable;
Future.reject = function Future$reject(x){
return new FutureClass(false, function Future$reject$fork(rej){
rej(x);
return noop;
});
};
Future.after = function Future$after(n, x){
if(arguments.length === 1) return unaryPartial(Future.after, n);
check$after(n);
return new FutureClass(false, function Future$after$fork(rej, res){
const t = setTimeout(res, n, x);
return function Future$after$cancel(){ clearTimeout(t) };
});
};
Future.cast = function Future$cast(m){
check$cast(m);
return new FutureClass(true, function Future$cast$fork(rej, res){
m.fork(rej, res);
});
};
Future.encase = function Future$encase(f, x){
check$encase(f);
if(arguments.length === 1) return unaryPartial(Future.encase, f);
return new FutureClass(false, function Future$encase$fork(rej, res){
let r;
try{ r = f(x) }catch(e){ return void rej(e) }
res(r);
return noop;
});
};
Future.encase2 = function Future$encase2(f, x, y){
check$encase2(f);
if(arguments.length === 1) return unaryPartial(Future.encase2, f);
if(arguments.length === 2) return binaryPartial(Future.encase2, f, x);
return new FutureClass(false, function Future$encase2$fork(rej, res){
let r;
try{ r = f(x, y) }catch(e){ return void rej(e) }
res(r);
return noop;
});
};
Future.encase3 = function Future$encase3(f, x, y, z){
check$encase3(f);
if(arguments.length === 1) return unaryPartial(Future.encase3, f);
if(arguments.length === 2) return binaryPartial(Future.encase3, f, x);
if(arguments.length === 3) return ternaryPartial(Future.encase3, f, x, y);
return new FutureClass(false, function Future$encase3$fork(rej, res){
let r;
try{ r = f(x, y, z) }catch(e){ return void rej(e) }
res(r);
return noop;
});
};
Future.try = function Future$try(f){
return Future.encase(f, undefined);
};
Future.node = function Future$node(f){
check$node(f);
return new FutureClass(true, function Future$node$fork(rej, res){
f(function Future$node$done(a, b){
a ? rej(a) : res(b);
});
});
};
Future.parallel = function Future$parallel(i, ms){
if(arguments.length === 1) return unaryPartial(Future.parallel, i);
check$parallel(i, ms);
const l = ms.length;
return l < 1 ? Future$of([]) : new FutureClass(false, function Future$parallel$fork(rej, res){
let ko = false;
let ok = 0;
const cs = [];
const out = new Array(l);
const next = j => i < l ? fork(ms[i], i++) : (j === l && res(out));
const fork = (m, j) => (check$parallel$m(m, j), cs[j] = m._f(
e => ko || (rej(e), ko = true),
x => ko || (out[j] = x, next(++ok))
));
ms.slice(0, i).forEach(fork);
return function Future$parallel$cancel(){ cs.forEach(call) };
});
};
Future.do = function Future$do(f){
check$do(f);
return new FutureClass(false, function Future$do$fork(rej, res){
const g = f();
check$do$g(g);
return Future$chainRec(function Future$do$next(next, _, x){
const o = g.next(x);
check$do$next(o);
return o.done ? Future$of(o) : o.value.map(next);
}, undefined)._f(rej, res);
});
};
return Future;
}));
}).call(this,typeof global !== "undefined" ? global : typeof self !== "undefined" ? self : typeof window !== "undefined" ? window : {})
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     ____ _         _\n////     / ___| |       | |_\n////    | |__ | | _   _ |  _\\   _  ___  ___\n////    |  __|| || | | || || | | ||  _// _ \\\n////    | |   | || |_| || || |_| || | |  __/\n////    |_|   |_| \\__,_||_| \\__,_||_|  \\___\\\n////\n(function(global, f){\n\n  'use strict';\n\n  /*istanbul ignore next*/\n  if(module && typeof module.exports !== 'undefined'){\n    module.exports = f(require('inspect-f'));\n  }\n\n  else{\n    global.Fluture = f(global.inspectf);\n  }\n\n}(/*istanbul ignore next*/(global || window || this), function(inspectf){\n\n  'use strict';\n\n  ///////////////////\n  // Type checking //\n  ///////////////////\n\n  const TYPEOF_FUTURE = 'fluture/Future';\n  const FL = {\n    map: 'fantasy-land/map',\n    bimap: 'fantasy-land/bimap',\n    chain: 'fantasy-land/chain',\n    chainRec: 'fantasy-land/chainRec',\n    ap: 'fantasy-land/ap',\n    of: 'fantasy-land/of'\n  };\n\n  function isForkable(m){\n    return Boolean(m) && typeof m.fork === 'function' && m.fork.length >= 2;\n  }\n\n  function isFuture(m){\n    return (m instanceof FutureClass) || Boolean(m) && m['@@type'] === TYPEOF_FUTURE;\n  }\n\n  function isFunction(f){\n    return typeof f === 'function';\n  }\n\n  function isBinary(f){\n    return f.length >= 2;\n  }\n\n  function isTernary(f){\n    return f.length >= 3;\n  }\n\n  function isPositiveInteger(n){\n    return n === Infinity || (typeof n === 'number' && n > 0 && n % 1 === 0 && n === n);\n  }\n\n  function isObject(o){\n    return o !== null && typeof o === 'object';\n  }\n\n  function isIterator(i){\n    return isObject(i) && typeof i.next === 'function';\n  }\n\n  function isIteration(o){\n    return isObject(o) && typeof o.done === 'boolean';\n  }\n\n  ///////////////\n  // Utilities //\n  ///////////////\n\n  //A small string representing a value, but not containing the whole value.\n  const preview = x =>\n    typeof x === 'string'\n    ? JSON.stringify(x)\n    : Array.isArray(x)\n    ? `[Array: ${x.length}]`\n    : typeof x === 'function'\n    ? typeof x.name === 'string' && x.name.length > 0\n    ? `[Function: ${x.name}]`\n    : /*istanbul ignore next*/ '[Function]' //Only for older JS engines.\n    : x && typeof x === 'object'\n    ? `[Object: ${Object.keys(x).map(String).join(', ')}]`\n    : String(x);\n\n  //A show function to provide a slightly more meaningful representation of values.\n  const show = x =>\n    typeof x === 'string'\n    ? preview(x)\n    : Array.isArray(x)\n    ? `[${x.map(preview).join(', ')}]`\n    : x && (typeof x.toString === 'function')\n    ? x.toString === Object.prototype.toString\n    ? `{${Object.keys(x).reduce((o, k) => o.concat(`${preview(k)}: ${preview(x[k])}`), []).join(', ')}}`\n    : x.toString()\n    : preview(x);\n\n  const noop = function noop(){};\n  const call = function call(f){f()};\n  const padf = (sf, s) => s.replace(/^/gm, sf).replace(sf, '');\n  const showf = f => padf('  ', inspectf(2, f));\n  const fid = f => f.name ? f.name : '<anonymous>';\n  const ordinal = ['first', 'second', 'third', 'fourth', 'fifth'];\n  const Next = x => ({done: false, value: x});\n  const Done = x => ({done: true, value: x});\n\n  //Partially apply a function with a single argument.\n  function unaryPartial(f, a){\n    return function partial(b, c, d){\n      switch(arguments.length){\n        case 1: return f(a, b);\n        case 2: return f(a, b, c);\n        default: return f(a, b, c, d);\n      }\n    };\n  }\n\n  //Partially apply a function with two arguments.\n  function binaryPartial(f, a, b){\n    return function partial(c, d){ return arguments.length === 1 ? f(a, b, c) : f(a, b, c, d) };\n  }\n\n  //Partially apply a function with three arguments.\n  function ternaryPartial(f, a, b, c){\n    return function partial(d){ return f(a, b, c, d) };\n  }\n\n  ////////////\n  // Errors //\n  ////////////\n\n  function error$invalidArgument(it, at, expected, actual){\n    throw new TypeError(\n      `${it} expects its ${ordinal[at]} argument to ${expected}\\n  Actual: ${show(actual)}`\n    );\n  }\n\n  function error$invalidContext(it, actual){\n    throw new TypeError(\n      `${it} was invoked outside the context of a Future. You might want to use`\n      + ` a dispatcher instead\\n  Called on: ${show(actual)}`\n    )\n  }\n\n  function check$Future(fork){\n    if(!isFunction(fork)) error$invalidArgument('Future', 0, 'be a function', fork);\n  }\n\n  function check$fork(it, rej, res){\n    if(!isFuture(it)) error$invalidContext('Future#fork', it);\n    if(!isFunction(rej)) error$invalidArgument('Future#fork', 0, 'be a function', rej);\n    if(!isFunction(res)) error$invalidArgument('Future#fork', 1, 'be a function', res);\n  }\n\n  function check$fork$f(f, c){\n    if(!(f === undefined || (isFunction(f) && f.length === 0))) throw new TypeError(\n      'Future#fork expected the computation to return a nullary function or void'\n      + `\\n  Actual: ${show(f)}\\n  From calling: ${showf(c)}`\n    );\n  }\n\n  function check$chain(it, f){\n    if(!isFuture(it)) error$invalidContext('Future#chain', it);\n    if(!isFunction(f)) error$invalidArgument('Future#chain', 0, 'be a function', f);\n  }\n\n  function check$chainRec(f){\n    if(!isFunction(f)) error$invalidArgument('Future.chainRec', 0, 'be a function', f);\n  }\n\n  function check$chainRec$f(m, f, i, x){\n    if(!isFuture(m)) throw new TypeError(\n      'Future.chainRec expects the function its given to return a Future every'\n      + ' time it is called. The value returned from'\n      + (ordinal[i] ? ` the ${ordinal[i]} call` : ` call ${i}`)\n      + ' was not a Future.'\n      + `\\n  Actual: ${show(m)}\\n  From calling: ${showf(f)}\\n  With: (Next, Done, ${show(x)})`\n    );\n  }\n\n  function check$chainRec$it(it, i){\n    if(!isIteration(it)) throw new TypeError(\n      'Future.chainRec expects the function its given to return a Future of an'\n      + ' Iteration every time it is called. The Future returned from'\n      + (ordinal[i] ? ` the ${ordinal[i]} call` : ` call ${i}`)\n      + ' did not resolve to a member of Iteration.'\n      + '\\n  You can create an uncomplete or complete Iteration using the next'\n      + ' or done functions respectively. These are passed into your callback'\n      + ' as first and second arguments.'\n      + `\\n  Actual: Future.of(${show(it)})`\n    );\n  }\n\n  function check$recur(it, f){\n    if(!isFuture(it)) error$invalidContext('Future#recur', it);\n    if(!isFunction(f)) error$invalidArgument('Future#recur', 0, 'be a function', f);\n  }\n\n  function check$chain$f(m, f, x){\n    if(!isFuture(m)) throw new TypeError(\n      'Future#chain expects the function its given to return a Future'\n      + `\\n  Actual: ${show(m)}\\n  From calling: ${showf(f)}\\n  With: ${show(x)}`\n    );\n  }\n\n  function check$recur$f(m, f, x){\n    if(!isFuture(m)) throw new TypeError(\n      'Future#recur expects the function its given to return a Future'\n      + `\\n  Actual: ${show(m)}\\n  From calling: ${showf(f)}\\n  With: ${show(x)}`\n    );\n  }\n\n  function check$chainRej(it, f){\n    if(!isFuture(it)) error$invalidContext('Future.chainRej', it);\n    if(!isFunction(f)) error$invalidArgument('Future.chainRej', 0, 'a function', f);\n  }\n\n  function check$chainRej$f(m, f, x){\n    if(!isFuture(m)) throw new TypeError(\n      'Future.chainRej expects the function its given to return a Future'\n      + `\\n  Actual: ${show(m)}\\n  From calling: ${showf(f)}\\n  With: ${show(x)}`\n    );\n  }\n\n  function check$map(it, f){\n    if(!isFuture(it)) error$invalidContext('Future#map', it);\n    if(!isFunction(f)) error$invalidArgument('Future#map', 0, 'be a function', f);\n  }\n\n  function check$mapRej(it, f){\n    if(!isFuture(it)) error$invalidContext('Future#mapRej', it);\n    if(!isFunction(f)) error$invalidArgument('Future#mapRej', 0, 'be a function', f);\n  }\n\n  function check$bimap(it, f, g){\n    if(!isFuture(it)) error$invalidContext('Future#bimap', it);\n    if(!isFunction(f)) error$invalidArgument('Future#bimap', 0, 'be a function', f);\n    if(!isFunction(g)) error$invalidArgument('Future#bimap', 1, 'be a function', g);\n  }\n\n  function check$ap(it, m){\n    if(!isFuture(it)) error$invalidContext('Future#ap', it);\n    if(!isFuture(m)) error$invalidArgument('Future#ap', 0, 'be a Future', m);\n  }\n\n  function check$ap$f(f){\n    if(!isFunction(f)) throw new TypeError(\n      'Future#ap expects its first argument to be a Future of a Function'\n      + `\\n  Actual: Future.of(${show(f)})`\n    );\n  }\n\n  function check$swap(it){\n    if(!isFuture(it)) error$invalidContext('Future#swap', it);\n  }\n\n  function check$race(it, m){\n    if(!isFuture(it)) error$invalidContext('Future#race', it);\n    if(!isFuture(m)) error$invalidArgument('Future#race', 0, 'be a Future', m);\n  }\n\n  function check$or(it, m){\n    if(!isFuture(it)) error$invalidContext('Future#or', it);\n    if(!isFuture(m)) error$invalidArgument('Future#or', 0, 'be a Future', m);\n  }\n\n  function check$fold(it, f, g){\n    if(!isFuture(it)) error$invalidContext('Future#fold', it);\n    if(!isFunction(f)) error$invalidArgument('Future#fold', 0, 'be a function', f);\n    if(!isFunction(g)) error$invalidArgument('Future#fold', 1, 'be a function', g);\n  }\n\n  function check$hook(it, f, g){\n    if(!isFuture(it)) error$invalidContext('Future#hook', it);\n    if(!isFunction(f)) error$invalidArgument('Future#hook', 0, 'be a function', f);\n    if(!isFunction(g)) error$invalidArgument('Future#hook', 1, 'be a function', g);\n  }\n\n  function check$hook$f(m, f, x){\n    if(!isFuture(m)) throw new TypeError(\n      'Future#hook expects the first function its given to return a Future'\n      + `\\n  Actual: ${show(m)}\\n  From calling: ${showf(f)}\\n  With: ${show(x)}`\n    );\n  }\n\n  function check$hook$g(m, g, x){\n    if(!isFuture(m)) throw new TypeError(\n      'Future#hook expects the second function its given to return a Future'\n      + `\\n  Actual: ${show(m)}\\n  From calling: ${showf(g)}\\n  With: ${show(x)}`\n    );\n  }\n\n  function check$finally(it, m){\n    if(!isFuture(it)) error$invalidContext('Future#finally', it);\n    if(!isFuture(m)) error$invalidArgument('Future#finally', 0, 'be a Future', m);\n  }\n\n  function check$value(it, f){\n    if(!isFuture(it)) error$invalidContext('Future#value', it);\n    if(!isFunction(f)) error$invalidArgument('Future#value', 0, 'be a function', f);\n  }\n\n  function check$promise(it){\n    if(!isFuture(it)) error$invalidContext('Future#promise', it);\n  }\n\n  function check$cache(it){\n    if(!isFuture(it)) error$invalidContext('Future#cache', it);\n  }\n\n  function check$after(n){\n    if(typeof n !== 'number') error$invalidArgument('Future.after', 0, 'be a number', n);\n  }\n\n  function check$cast(m){\n    if(!isForkable(m)) error$invalidArgument('Future.cast', 0, 'be a Forkable', m);\n  }\n\n  function check$encase(f){\n    if(!isFunction(f)) error$invalidArgument('Future.encase', 0, 'be a function', f);\n  }\n\n  function check$encase2(f){\n    if(!isFunction(f)) error$invalidArgument('Future.encase2', 0, 'be a function', f);\n    if(!isBinary(f)) error$invalidArgument('Future.encase2', 0, 'take two arguments', f);\n  }\n\n  function check$encase3(f){\n    if(!isFunction(f)) error$invalidArgument('Future.encase3', 0, 'be a function', f);\n    if(!isTernary(f)) error$invalidArgument('Future.encase3', 0, 'take three arguments', f);\n  }\n\n  function check$node(f){\n    if(!isFunction(f)) error$invalidArgument('Future.node', 0, 'be a function', f);\n  }\n\n  function check$parallel(i, ms){\n    if(!isPositiveInteger(i)) error$invalidArgument('Future.parallel', 0, 'be a positive integer', i);\n    if(!Array.isArray(ms)) error$invalidArgument('Future.parallel', 1, 'be an array', ms);\n  }\n\n  function check$parallel$m(m, i){\n    if(!isFuture(m)) throw new TypeError(\n      'Future.parallel expects its second argument to be an array of Futures.'\n      + ` The value at position ${i} in the array was not a Future\\n  Actual: ${show(m)}`\n    );\n  }\n\n  function check$do(f){\n    if(!isFunction(f)) error$invalidArgument('Future.do', 0, 'be a function', f);\n  }\n\n  function check$do$g(g){\n    if(!isIterator(g)) error$invalidArgument(\n      'Future.do', 0, 'return an iterator, maybe you forgot the \"*\"', g\n    );\n  }\n\n  function check$do$next(o){\n    if(!isIteration(o)) throw new TypeError(\n      'Future.do was given an invalid generator:'\n      + ' Its iterator did not return a valid iteration from iterator.next()'\n      + `\\n  Actual: ${show(o)}`\n    );\n    if(!o.done && !isFuture(o.value)) throw new TypeError(\n      'A non-Future was produced by iterator.next() in Future.do.'\n      + ' If you\\'re using a generator, make sure you always `yield` a Future'\n      + `\\n  Actual: ${o.value}`\n    );\n  }\n\n  ////////////\n  // Future //\n  ////////////\n\n  function FutureClass(safe, f){\n    this._f = safe === true ? Future$safeFork : f;\n    this._raw = f;\n  }\n\n  function Future(f){\n    check$Future(f);\n    return new FutureClass(true, f);\n  }\n\n  function Future$of(x){\n    return new FutureClass(false, function Future$of$fork(rej, res){\n      res(x);\n      return noop;\n    });\n  }\n\n  function Future$chainRec(f, init){\n    if(arguments.length === 1) return unaryPartial(Future$chainRec, f);\n    check$chainRec(f);\n    return new FutureClass(false, function(rej, res){\n      let cancel = noop, i = 0;\n      (function Future$chainRec$recur(state){\n        let isSync = null;\n        function Future$chainRec$res(it){\n          check$chainRec$it(it, i);\n          i = i + 1;\n          if(isSync === null){\n            isSync = true;\n            state = it;\n          }else{\n            Future$chainRec$recur(it);\n          }\n        }\n        while(!state.done){\n          isSync = null;\n          const m = f(Next, Done, state.value);\n          check$chainRec$f(m, f, i, state.value);\n          cancel = m._f(rej, Future$chainRec$res);\n          if(isSync === true){\n            continue;\n          }else{\n            isSync = false;\n            return;\n          }\n        }\n        res(state.value);\n      }(Next(init)));\n      return function Future$chainRec$cancel(){ cancel() };\n    });\n  }\n\n  function Future$fork(rej, res){\n    check$fork(this, rej, res);\n    return this._f(rej, res);\n  }\n\n  function Future$safeFork(rej, res){\n    let open = true;\n    const f = this._raw(function Future$safeFork$rej(x){\n      if(open){\n        open = false;\n        rej(x);\n      }\n    }, function Future$safeFork$res(x){\n      if(open){\n        open = false;\n        res(x);\n      }\n    });\n    check$fork$f(f, this._raw);\n    return function Future$safeFork$cancel(){\n      open && f && f();\n      open = false;\n    };\n  }\n\n  function Future$chain(f){\n    check$chain(this, f);\n    const _this = this;\n    return new FutureClass(false, function Future$chain$fork(rej, res){\n      let cancel;\n      const r = _this._f(rej, function Future$chain$res(x){\n        const m = f(x);\n        check$chain$f(m, f, x);\n        cancel = m._f(rej, res);\n      });\n      return cancel ? cancel : (cancel = r, function Future$chain$cancel(){ cancel() });\n    });\n  }\n\n  function Future$recur(f){\n    check$recur(this, f);\n    const _this = this;\n    return new FutureClass(false, function Future$chain$fork(rej, res){\n      return _this._f(rej, function Future$chain$res(x){\n        const m = f(x);\n        check$recur$f(m, f, x);\n        m._f(rej, res);\n      });\n    });\n  }\n\n  function Future$chainRej(f){\n    check$chainRej(this, f);\n    const _this = this;\n    return new FutureClass(false, function Future$chainRej$fork(rej, res){\n      let cancel;\n      const r = _this._f(function Future$chainRej$rej(x){\n        const m = f(x);\n        check$chainRej$f(m, f, x);\n        cancel = m._f(rej, res);\n      }, res);\n      return cancel ? cancel : (cancel = r, function Future$chainRej$cancel(){ cancel() });\n    });\n  }\n\n  function Future$map(f){\n    check$map(this, f);\n    const _this = this;\n    return new FutureClass(false, function Future$map$fork(rej, res){\n      return _this._f(rej, function Future$map$res(x){\n        res(f(x));\n      });\n    });\n  }\n\n  function Future$mapRej(f){\n    check$mapRej(this, f);\n    const _this = this;\n    return new FutureClass(false, function Future$mapRej$fork(rej, res){\n      return _this._f(function Future$mapRej$rej(x){\n        rej(f(x));\n      }, res);\n    });\n  }\n\n  function Future$bimap(f, g){\n    check$bimap(this, f, g);\n    const _this = this;\n    return new FutureClass(false, function Future$bimap$fork(rej, res){\n      return _this._f(function Future$bimap$rej(x){\n        rej(f(x));\n      }, function Future$bimap$res(x){\n        res(g(x));\n      });\n    });\n  }\n\n  function Future$ap(m){\n    check$ap(this, m);\n    const _this = this;\n    return new FutureClass(false, function Future$ap$fork(g, res){\n      let _f, _x, ok1, ok2, ko;\n      const rej = x => ko || (ko = 1, g(x));\n      const c1 = _this._f(rej, function Future$ap$resThis(x){\n        if(!ok1) return void (ok2 = 1, _x = x)\n        check$ap$f(_f);\n        res(_f(x));\n      });\n      const c2 = m._f(rej, function Future$ap$resThat(f){\n        if(!ok2) return void (ok1 = 1, _f = f);\n        check$ap$f(f);\n        res(f(_x));\n      });\n      return function Future$ap$cancel(){ c1(); c2() };\n    });\n  }\n\n  function Future$swap(){\n    check$swap(this);\n    const _this = this;\n    return new FutureClass(false, function Future$swap$fork(rej, res){\n      return _this._f(res, rej);\n    });\n  }\n\n  function Future$toString(){\n    return `Future(${this._raw.toString()})`;\n  }\n\n  function Future$race(m){\n    check$race(this, m);\n    const _this = this;\n    return new FutureClass(false, function Future$race$fork(rej, res){\n      let settled = false, c1 = noop, c2 = noop;\n      const once = f => a => settled || (settled = true, c1(), c2(), f(a));\n      c1 = _this._f(once(rej), once(res));\n      c2 = m._f(once(rej), once(res));\n      return function Future$race$cancel(){ c1(); c2() };\n    });\n  }\n\n  function Future$or(m){\n    check$or(this, m);\n    const _this = this;\n    return new FutureClass(false, function Future$or$fork(rej, res){\n      let ok = false, ko = false, val, err;\n      const c1 = _this._f(\n        () => ko ? rej(err) : ok ? res(val) : (ko = true),\n        x => (ok = true, res(x))\n      );\n      const c2 = m._f(\n        e => ok || (ko ? rej(e) : (err = e, ko = true)),\n        x => ok || (ko ? res(x) : (val = x, ok = true))\n      );\n      return function Future$or$cancel(){ c1(); c2() };\n    });\n  }\n\n  function Future$fold(f, g){\n    check$fold(this, f, g);\n    const _this = this;\n    return new FutureClass(false, function Future$fold$fork(rej, res){\n      return _this._f(e => res(f(e)), x => res(g(x)));\n    });\n  }\n\n  function Future$hook(dispose, consume){\n    check$hook(this, dispose, consume);\n    const _this = this;\n    return new FutureClass(false, function Future$hook$fork(rej, res){\n      let cancel;\n      const ret = _this._f(rej, function Future$hook$res(resource){\n        const m = consume(resource);\n        check$hook$g(m, consume, resource);\n        cancel = m._f(e => {\n          const c = dispose(resource);\n          check$hook$f(c, dispose, resource);\n          c._f(rej, _ => rej(e));\n        }, x => {\n          const c = dispose(resource);\n          check$hook$f(c, dispose, resource);\n          c._f(rej, _ => res(x));\n        });\n      });\n      cancel = cancel || ret;\n      return function Future$hook$cancel(){ cancel() };\n    });\n  }\n\n  function Future$finally(m){\n    check$finally(this, m);\n    const _this = this;\n    return new FutureClass(false, function Future$finally$fork(rej, res){\n      let cancel;\n      const r = _this._f(function Future$finally$rej(e){\n        cancel = m._f(rej, function Future$finally$rej$res(){ rej(e) });\n      }, function Future$finally$res(x){\n        cancel = m._f(rej, function Future$finally$res$res(){ res(x) });\n      });\n      return cancel ? cancel : (cancel = r, function Future$finally$cancel(){ cancel() });\n    });\n  }\n\n  function Future$value(f){\n    check$value(this, f);\n    return this._f(\n      function Future$value$rej(e){\n        throw new Error(\n          `Future#value was called on a rejected Future\\n  Actual: Future.reject(${show(e)})`\n        );\n      },\n      f\n    );\n  }\n\n  function Future$promise(){\n    check$promise(this);\n    const _this = this;\n    return new Promise(function Future$promise$do(resolve, reject){\n      _this._f(reject, resolve);\n    });\n  }\n\n  function Future$cache(){\n    check$cache(this);\n    const _this = this;\n    let que = [];\n    let value, state;\n    const settleWith = newState => function Future$cache$settle(newValue){\n      value = newValue; state = newState;\n      for(let i = 0, l = que.length; i < l; i++){\n        que[i][state](value);\n        que[i] = undefined;\n      }\n      que = undefined;\n    };\n    return new FutureClass(false, function Future$cache$fork(rej, res){\n      let cancel = noop;\n      switch(state){\n        case 1: que.push({2: rej, 3: res}); break;\n        case 2: rej(value); break;\n        case 3: res(value); break;\n        default:\n          state = 1;\n          que.push({2: rej, 3: res});\n          cancel = _this._f(settleWith(2), settleWith(3));\n      }\n      return function Future$cache$cancel(){\n        que = [];\n        value = undefined;\n        state = undefined;\n        cancel();\n      };\n    });\n  }\n\n  FutureClass.prototype = Future.prototype = {\n    '@@type': TYPEOF_FUTURE,\n    _f: null,\n    fork: Future$fork,\n    [FL.of]: Future$of,\n    of: Future$of,\n    [FL.chainRec]: Future$chainRec,\n    [FL.chain]: Future$chain,\n    chain: Future$chain,\n    recur: Future$recur,\n    chainRej: Future$chainRej,\n    [FL.map]: Future$map,\n    map: Future$map,\n    mapRej: Future$mapRej,\n    [FL.bimap]: Future$bimap,\n    bimap: Future$bimap,\n    [FL.ap]: Future$ap,\n    ap: Future$ap,\n    swap: Future$swap,\n    toString: Future$toString,\n    inspect: Future$toString,\n    race: Future$race,\n    or: Future$or,\n    fold: Future$fold,\n    hook: Future$hook,\n    finally: Future$finally,\n    value: Future$value,\n    promise: Future$promise,\n    cache: Future$cache\n  };\n\n  Future[FL.of] = Future.of = Future$of;\n  Future[FL.chainRec] = Future.chainRec = Future$chainRec;\n  Future.Future = Future;\n\n  Future.util = {\n    Next,\n    Done,\n    isForkable,\n    isFuture,\n    isFunction,\n    isBinary,\n    isTernary,\n    isPositiveInteger,\n    isObject,\n    isIterator,\n    isIteration,\n    preview,\n    show,\n    padf,\n    showf,\n    fid,\n    unaryPartial,\n    binaryPartial,\n    ternaryPartial\n  };\n\n  /////////////////\n  // Dispatchers //\n  /////////////////\n\n  //Creates a dispatcher for a nullary method.\n  function createNullaryDispatcher(method){\n    return function nullaryDispatch(m){\n      if(m && typeof m[method] === 'function') return m[method]();\n      error$invalidArgument(`Future.${method}`, 1, `have a \"${method}\" method`, m);\n    };\n  }\n\n  //Creates a dispatcher for a unary method.\n  function createUnaryDispatcher(method){\n    return function unaryDispatch(a, m){\n      if(arguments.length === 1) return unaryPartial(unaryDispatch, a);\n      if(m && typeof m[method] === 'function') return m[method](a);\n      error$invalidArgument(`Future.${method}`, 1, `have a \"${method}\" method`, m);\n    };\n  }\n\n  //Creates a dispatcher for a binary method.\n  function createBinaryDispatcher(method){\n    return function binaryDispatch(a, b, m){\n      if(arguments.length === 1) return unaryPartial(binaryDispatch, a);\n      if(arguments.length === 2) return binaryPartial(binaryDispatch, a, b);\n      if(m && typeof m[method] === 'function') return m[method](a, b);\n      error$invalidArgument(`Future.${method}`, 2, `have a \"${method}\" method`, m);\n    };\n  }\n\n  //Creates a dispatcher for a binary method, but takes the object first rather than last.\n  function createInvertedBinaryDispatcher(method){\n    return function invertedBinaryDispatch(m, a, b){\n      if(arguments.length === 1) return unaryPartial(invertedBinaryDispatch, m);\n      if(arguments.length === 2) return binaryPartial(invertedBinaryDispatch, m, a);\n      if(m && typeof m[method] === 'function') return m[method](a, b);\n      error$invalidArgument(`Future.${method}`, 0, `have a \"${method}\" method`, m);\n    };\n  }\n\n  Future.chain = createUnaryDispatcher(FL.chain);\n  Future.recur = createUnaryDispatcher('recur');\n  Future.chainRej = createUnaryDispatcher('chainRej');\n  Future.map = createUnaryDispatcher(FL.map);\n  Future.mapRej = createUnaryDispatcher('mapRej');\n  Future.bimap = createBinaryDispatcher(FL.bimap);\n  Future.ap = createUnaryDispatcher(FL.ap);\n  Future.swap = createNullaryDispatcher('swap');\n  Future.fork = createBinaryDispatcher('fork');\n  Future.race = createUnaryDispatcher('race');\n  Future.or = createUnaryDispatcher('or');\n  Future.fold = createBinaryDispatcher('fold');\n  Future.hook = createInvertedBinaryDispatcher('hook');\n  Future.finally = createUnaryDispatcher('finally');\n  Future.value = createUnaryDispatcher('value');\n  Future.promise = createNullaryDispatcher('promise');\n  Future.cache = createNullaryDispatcher('cache');\n\n  /////////////////////\n  // Other functions //\n  /////////////////////\n\n  Future.isFuture = isFuture;\n  Future.isForkable = isForkable;\n\n  Future.reject = function Future$reject(x){\n    return new FutureClass(false, function Future$reject$fork(rej){\n      rej(x);\n      return noop;\n    });\n  };\n\n  Future.after = function Future$after(n, x){\n    if(arguments.length === 1) return unaryPartial(Future.after, n);\n    check$after(n);\n    return new FutureClass(false, function Future$after$fork(rej, res){\n      const t = setTimeout(res, n, x);\n      return function Future$after$cancel(){ clearTimeout(t) };\n    });\n  };\n\n  Future.cast = function Future$cast(m){\n    check$cast(m);\n    return new FutureClass(true, function Future$cast$fork(rej, res){\n      m.fork(rej, res);\n    });\n  };\n\n  Future.encase = function Future$encase(f, x){\n    check$encase(f);\n    if(arguments.length === 1) return unaryPartial(Future.encase, f);\n    return new FutureClass(false, function Future$encase$fork(rej, res){\n      let r;\n      try{ r = f(x) }catch(e){ return void rej(e) }\n      res(r);\n      return noop;\n    });\n  };\n\n  Future.encase2 = function Future$encase2(f, x, y){\n    check$encase2(f);\n    if(arguments.length === 1) return unaryPartial(Future.encase2, f);\n    if(arguments.length === 2) return binaryPartial(Future.encase2, f, x);\n    return new FutureClass(false, function Future$encase2$fork(rej, res){\n      let r;\n      try{ r = f(x, y) }catch(e){ return void rej(e) }\n      res(r);\n      return noop;\n    });\n  };\n\n  Future.encase3 = function Future$encase3(f, x, y, z){\n    check$encase3(f);\n    if(arguments.length === 1) return unaryPartial(Future.encase3, f);\n    if(arguments.length === 2) return binaryPartial(Future.encase3, f, x);\n    if(arguments.length === 3) return ternaryPartial(Future.encase3, f, x, y);\n    return new FutureClass(false, function Future$encase3$fork(rej, res){\n      let r;\n      try{ r = f(x, y, z) }catch(e){ return void rej(e) }\n      res(r);\n      return noop;\n    });\n  };\n\n  Future.try = function Future$try(f){\n    return Future.encase(f, undefined);\n  };\n\n  Future.node = function Future$node(f){\n    check$node(f);\n    return new FutureClass(true, function Future$node$fork(rej, res){\n      f(function Future$node$done(a, b){\n        a ? rej(a) : res(b);\n      });\n    });\n  };\n\n  Future.parallel = function Future$parallel(i, ms){\n    if(arguments.length === 1) return unaryPartial(Future.parallel, i);\n    check$parallel(i, ms);\n    const l = ms.length;\n    return l < 1 ? Future$of([]) : new FutureClass(false, function Future$parallel$fork(rej, res){\n      let ko = false;\n      let ok = 0;\n      const cs = [];\n      const out = new Array(l);\n      const next = j => i < l ? fork(ms[i], i++) : (j === l && res(out));\n      const fork = (m, j) => (check$parallel$m(m, j), cs[j] = m._f(\n        e => ko || (rej(e), ko = true),\n        x => ko || (out[j] = x, next(++ok))\n      ));\n      ms.slice(0, i).forEach(fork);\n      return function Future$parallel$cancel(){ cs.forEach(call) };\n    });\n  };\n\n  Future.do = function Future$do(f){\n    check$do(f);\n    return new FutureClass(false, function Future$do$fork(rej, res){\n      const g = f();\n      check$do$g(g);\n      return Future$chainRec(function Future$do$next(next, _, x){\n        const o = g.next(x);\n        check$do$next(o);\n        return o.done ? Future$of(o) : o.value.map(next);\n      }, undefined)._f(rej, res);\n    });\n  };\n\n  return Future;\n\n}));\n"]}
},{"inspect-f":1}]},{},[])
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NBO0FBQ0E7QUFDQTtBQUNBO0FBQ0E7QUFDQTtBQUNBO0FBQ0E7QUFDQTtBQUNBO0FBQ0E7QUFDQTtBQUNBO0FBQ0E7QUFDQTtBQUNBO0FBQ0E7QUFDQTtBQUNBO0FBQ0E7QUFDQTtBQUNBO0FBQ0E7QUFDQTtBQUNBO0FBQ0E7QUFDQTtBQUNBO0FBQ0E7QUFDQTtBQUNBO0FBQ0E7QUFDQTtBQUNBO0FBQ0E7QUFDQTtBQUNBO0FBQ0E7QUFDQTtBQUNBO0FBQ0E7QUFDQTtBQUNBO0FBQ0E7QUFDQTtBQUNBO0FBQ0E7QUFDQTtBQUNBO0FBQ0E7QUFDQTtBQUNBO0FBQ0E7QUFDQTtBQUNBO0FBQ0E7QUFDQTtBQUNBO0FBQ0E7QUFDQTtBQUNBO0FBQ0E7QUFDQTtBQUNBO0FBQ0E7QUFDQTtBQUNBO0FBQ0E7QUFDQTtBQUNBO0FBQ0E7QUFDQTtBQUNBO0FBQ0E7QUFDQTtBQUNBO0FBQ0E7QUFDQTtBQUNBO0FBQ0E7QUFDQTtBQUNBO0FBQ0E7QUFDQTtBQUNBO0FBQ0E7QUFDQTtBQUNBO0FBQ0E7QUFDQTtBQUNBO0FBQ0E7QUFDQTtBQUNBO0FBQ0E7QUFDQTtBQUNBO0FBQ0E7QUFDQTtBQUNBO0FBQ0E7QUFDQTtBQUNBO0FBQ0E7QUFDQTtBQUNBO0FBQ0E7QUFDQTtBQUNBO0FBQ0E7QUFDQTtBQUNBO0FBQ0E7QUFDQTtBQUNBO0FBQ0E7QUFDQTtBQUNBO0FBQ0E7QUFDQTtBQUNBO0FBQ0E7QUFDQTtBQUNBO0FBQ0E7QUFDQTtBQUNBO0FBQ0E7QUFDQTtBQUNBO0FBQ0E7QUFDQTtBQUNBO0FBQ0E7QUFDQTtBQUNBO0FBQ0E7QUFDQTtBQUNBO0FBQ0E7QUFDQTtBQUNBO0FBQ0E7QUFDQTtBQUNBO0FBQ0E7QUFDQTtBQUNBO0FBQ0E7QUFDQTtBQUNBO0FBQ0E7QUFDQTtBQUNBO0FBQ0E7QUFDQTtBQUNBO0FBQ0E7QUFDQTtBQUNBO0FBQ0E7QUFDQTtBQUNBO0FBQ0E7QUFDQTtBQUNBO0FBQ0E7QUFDQTtBQUNBO0FBQ0E7QUFDQTtBQUNBO0FBQ0E7QUFDQTtBQUNBO0FBQ0E7QUFDQTtBQUNBO0FBQ0E7QUFDQTtBQUNBO0FBQ0E7QUFDQTtBQUNBO0FBQ0E7QUFDQTtBQUNBO0FBQ0E7QUFDQTtBQUNBO0FBQ0E7QUFDQTtBQUNBO0FBQ0E7QUFDQTtBQUNBO0FBQ0E7QUFDQTtBQUNBO0FBQ0E7QUFDQTtBQUNBO0FBQ0E7QUFDQTtBQUNBO0FBQ0E7QUFDQTtBQUNBO0FBQ0E7QUFDQTtBQUNBO0FBQ0E7QUFDQTtBQUNBO0FBQ0E7QUFDQTtBQUNBO0FBQ0E7QUFDQTtBQUNBO0FBQ0E7QUFDQTtBQUNBO0FBQ0E7QUFDQTtBQUNBO0FBQ0E7QUFDQTtBQUNBO0FBQ0E7QUFDQTtBQUNBO0FBQ0E7QUFDQTtBQUNBO0FBQ0E7QUFDQTtBQUNBO0FBQ0E7QUFDQTtBQUNBO0FBQ0E7QUFDQTtBQUNBO0FBQ0E7QUFDQTtBQUNBO0FBQ0E7QUFDQTtBQUNBO0FBQ0E7QUFDQTtBQUNBO0FBQ0E7QUFDQTtBQUNBO0FBQ0E7QUFDQTtBQUNBO0FBQ0E7QUFDQTtBQUNBO0FBQ0E7QUFDQTtBQUNBO0FBQ0E7QUFDQTtBQUNBO0FBQ0E7QUFDQTtBQUNBO0FBQ0E7QUFDQTtBQUNBO0FBQ0E7QUFDQTtBQUNBO0FBQ0E7QUFDQTtBQUNBO0FBQ0E7QUFDQTtBQUNBO0FBQ0E7QUFDQTtBQUNBO0FBQ0E7QUFDQTtBQUNBO0FBQ0E7QUFDQTtBQUNBO0FBQ0E7QUFDQTtBQUNBO0FBQ0E7QUFDQTtBQUNBO0FBQ0E7QUFDQTtBQUNBO0FBQ0E7QUFDQTtBQUNBO0FBQ0E7QUFDQTtBQUNBO0FBQ0E7QUFDQSIsImZpbGUiOiJnZW5lcmF0ZWQuanMiLCJzb3VyY2VSb290IjoiIiwic291cmNlc0NvbnRlbnQiOlsiKGZ1bmN0aW9uIGUodCxuLHIpe2Z1bmN0aW9uIHMobyx1KXtpZighbltvXSl7aWYoIXRbb10pe3ZhciBhPXR5cGVvZiByZXF1aXJlPT1cImZ1bmN0aW9uXCImJnJlcXVpcmU7aWYoIXUmJmEpcmV0dXJuIGEobywhMCk7aWYoaSlyZXR1cm4gaShvLCEwKTt2YXIgZj1uZXcgRXJyb3IoXCJDYW5ub3QgZmluZCBtb2R1bGUgJ1wiK28rXCInXCIpO3Rocm93IGYuY29kZT1cIk1PRFVMRV9OT1RfRk9VTkRcIixmfXZhciBsPW5bb109e2V4cG9ydHM6e319O3Rbb11bMF0uY2FsbChsLmV4cG9ydHMsZnVuY3Rpb24oZSl7dmFyIG49dFtvXVsxXVtlXTtyZXR1cm4gcyhuP246ZSl9LGwsbC5leHBvcnRzLGUsdCxuLHIpfXJldHVybiBuW29dLmV4cG9ydHN9dmFyIGk9dHlwZW9mIHJlcXVpcmU9PVwiZnVuY3Rpb25cIiYmcmVxdWlyZTtmb3IodmFyIG89MDtvPHIubGVuZ3RoO28rKylzKHJbb10pO3JldHVybiBzfSkiLCIoZnVuY3Rpb24gKGdsb2JhbCl7XG4oZnVuY3Rpb24oZ2xvYmFsLCBmKXtcblxuICAndXNlIHN0cmljdCc7XG5cbiAgLyppc3RhbmJ1bCBpZ25vcmUgbmV4dCovXG4gIGlmKHR5cGVvZiBtb2R1bGUgIT09ICd1bmRlZmluZWQnKXtcbiAgICBtb2R1bGUuZXhwb3J0cyA9IGYoKTtcbiAgfVxuXG4gIGVsc2UgaWYodHlwZW9mIGdsb2JhbC5kZWZpbmUgPT09ICdmdW5jdGlvbicgJiYgZ2xvYmFsLmRlZmluZS5hbWQpe1xuICAgIGdsb2JhbC5kZWZpbmUoW10sIGYpO1xuICB9XG5cbiAgZWxzZXtcbiAgICBnbG9iYWwuaW5zcGVjdGYgPSBmKCk7XG4gIH1cblxufSgvKmlzdGFuYnVsIGlnbm9yZSBuZXh0Ki8oZ2xvYmFsIHx8IHdpbmRvdyB8fCB0aGlzKSwgZnVuY3Rpb24oKXtcblxuICAndXNlIHN0cmljdCc7XG5cbiAgZnVuY3Rpb24gY2hlY2tuKG4pe1xuICAgIGlmKHR5cGVvZiBuICE9PSAnbnVtYmVyJykgdGhyb3cgbmV3IFR5cGVFcnJvcihcbiAgICAgICdpbnNwZWN0ZiBleHBlY3RzIGl0cyBmaXJzdCBhcmd1bWVudCB0byBiZSBhIG51bWJlcidcbiAgICApO1xuICB9XG5cbiAgZnVuY3Rpb24gY2hlY2tmKGYpe1xuICAgIGlmKHR5cGVvZiBmICE9PSAnZnVuY3Rpb24nKSB0aHJvdyBuZXcgVHlwZUVycm9yKFxuICAgICAgJ2luc3BlY3RmIGV4cGVjdHMgaXRzIHNlY29uZCBhcmd1bWVudCB0byBiZSBhIGZ1bmN0aW9uJ1xuICAgICk7XG4gIH1cblxuICBjb25zdCBSU1BBQ0UgPSAvXiAqLztcbiAgY29uc3QgUkNPREUgPSAvXFxzKlteXFxzXS87XG4gIGNvbnN0IFJUQUJTID0gL1xcdC9nO1xuICBjb25zdCBSRU9MID0gL1xcblxccj8vO1xuXG4gIGZ1bmN0aW9uIGdldFBhZGRpbmcobGluZSl7XG4gICAgcmV0dXJuIGxpbmUubWF0Y2goUlNQQUNFKVswXS5sZW5ndGg7XG4gIH1cblxuICBmdW5jdGlvbiBndWVzc0luZGVudGF0aW9uKGxpbmVzKXtcbiAgICBjb25zdCBmaWx0ZXJlZCA9IGxpbmVzLmZpbHRlcih4ID0+IFJDT0RFLnRlc3QoeCkpO1xuICAgIGNvbnN0IHBhZGRpbmdzID0gZmlsdGVyZWQubWFwKGdldFBhZGRpbmcpO1xuICAgIGNvbnN0IGRlcHRoID0gcGFkZGluZ3MucmVkdWNlKChhLCBiKSA9PiBNYXRoLm1pbihhLCBiKSwgSW5maW5pdHkpO1xuICAgIGNvbnN0IHRhYnNpemUgPSBwYWRkaW5ncy5tYXAoeCA9PiB4IC0gZGVwdGgpLmZpbmQoeCA9PiB4ID4gMSkgfHwgMjtcbiAgICByZXR1cm4ge2RlcHRoLCB0YWJzaXplfTtcbiAgfVxuXG4gIGZ1bmN0aW9uIHBhZChuKXtcbiAgICByZXR1cm4gKG5ldyBBcnJheShuICsgMSkpLmpvaW4oJyAnKTtcbiAgfVxuXG4gIGZ1bmN0aW9uIHNob3coZiwgaW5kZW50YXRpb24pe1xuICAgIHJldHVybiBmLnRvU3RyaW5nKCkucmVwbGFjZShSVEFCUywgaW5kZW50YXRpb24pO1xuICB9XG5cbiAgZnVuY3Rpb24gdG9MaW5lcyhzKXtcbiAgICByZXR1cm4gcy5zcGxpdChSRU9MKTtcbiAgfVxuXG4gIGZ1bmN0aW9uIGZpeEluZGVudGF0aW9uKGxpbmVzLCBpbmRlbnRhdGlvbil7XG4gICAgY29uc3QgaW5mbyA9IGd1ZXNzSW5kZW50YXRpb24obGluZXMuc2xpY2UoMSkpO1xuICAgIGNvbnN0IFJQQUQgPSBuZXcgUmVnRXhwKHBhZChpbmZvLnRhYnNpemUpLCAnZycpO1xuICAgIHJldHVybiBsaW5lcy5tYXAobGluZSA9PlxuICAgICAgbGluZS5zbGljZShNYXRoLm1pbihpbmZvLmRlcHRoLCBnZXRQYWRkaW5nKGxpbmUpKSlcbiAgICAgIC5yZXBsYWNlKFJQQUQsICdcXHQnKS5yZXBsYWNlKFJUQUJTLCBpbmRlbnRhdGlvbilcbiAgICApLmpvaW4oJ1xcbicpO1xuICB9XG5cbiAgcmV0dXJuIGZ1bmN0aW9uIGluc3BlY3RmKG4sIGYpe1xuICAgIGNoZWNrbihuKTtcbiAgICBpZihhcmd1bWVudHMubGVuZ3RoIDwgMikgcmV0dXJuIGYgPT4gaW5zcGVjdGYobiwgZik7XG4gICAgY2hlY2tmKGYpO1xuICAgIGlmKGYudG9TdHJpbmcgIT09IEZ1bmN0aW9uLnByb3RvdHlwZS50b1N0cmluZykgcmV0dXJuIGYudG9TdHJpbmcoKTtcbiAgICBjb25zdCBpID0gcGFkKG4pLCBzaG93biA9IHNob3coZiwgaSksIGxpbmVzID0gdG9MaW5lcyhzaG93biwgaSk7XG4gICAgaWYobGluZXMubGVuZ3RoIDwgMikgcmV0dXJuIHNob3duO1xuICAgIHJldHVybiBmaXhJbmRlbnRhdGlvbihsaW5lcywgaSk7XG4gIH1cblxufSkpO1xuXG59KS5jYWxsKHRoaXMsdHlwZW9mIGdsb2JhbCAhPT0gXCJ1bmRlZmluZWRcIiA/IGdsb2JhbCA6IHR5cGVvZiBzZWxmICE9PSBcInVuZGVmaW5lZFwiID8gc2VsZiA6IHR5cGVvZiB3aW5kb3cgIT09IFwidW5kZWZpbmVkXCIgPyB3aW5kb3cgOiB7fSlcbi8vIyBzb3VyY2VNYXBwaW5nVVJMPWRhdGE6YXBwbGljYXRpb24vanNvbjtjaGFyc2V0OnV0Zi04O2Jhc2U2NCxleUoyWlhKemFXOXVJam96TENKemIzVnlZMlZ6SWpwYkltNXZaR1ZmYlc5a2RXeGxjeTlwYm5Od1pXTjBMV1l2YVc1emNHVmpkQzFtTG1weklsMHNJbTVoYldWeklqcGJYU3dpYldGd2NHbHVaM01pT2lJN1FVRkJRVHRCUVVOQk8wRkJRMEU3UVVGRFFUdEJRVU5CTzBGQlEwRTdRVUZEUVR0QlFVTkJPMEZCUTBFN1FVRkRRVHRCUVVOQk8wRkJRMEU3UVVGRFFUdEJRVU5CTzBGQlEwRTdRVUZEUVR0QlFVTkJPMEZCUTBFN1FVRkRRVHRCUVVOQk8wRkJRMEU3UVVGRFFUdEJRVU5CTzBGQlEwRTdRVUZEUVR0QlFVTkJPMEZCUTBFN1FVRkRRVHRCUVVOQk8wRkJRMEU3UVVGRFFUdEJRVU5CTzBGQlEwRTdRVUZEUVR0QlFVTkJPMEZCUTBFN1FVRkRRVHRCUVVOQk8wRkJRMEU3UVVGRFFUdEJRVU5CTzBGQlEwRTdRVUZEUVR0QlFVTkJPMEZCUTBFN1FVRkRRVHRCUVVOQk8wRkJRMEU3UVVGRFFUdEJRVU5CTzBGQlEwRTdRVUZEUVR0QlFVTkJPMEZCUTBFN1FVRkRRVHRCUVVOQk8wRkJRMEU3UVVGRFFUdEJRVU5CTzBGQlEwRTdRVUZEUVR0QlFVTkJPMEZCUTBFN1FVRkRRVHRCUVVOQk8wRkJRMEU3UVVGRFFUdEJRVU5CTzBGQlEwRTdRVUZEUVR0QlFVTkJPMEZCUTBFN1FVRkRRVHRCUVVOQk8wRkJRMEU3UVVGRFFUdEJRVU5CTzBGQlEwRTdRVUZEUVR0QlFVTkJPMEZCUTBFN1FVRkRRVHRCUVVOQklpd2labWxzWlNJNkltZGxibVZ5WVhSbFpDNXFjeUlzSW5OdmRYSmpaVkp2YjNRaU9pSWlMQ0p6YjNWeVkyVnpRMjl1ZEdWdWRDSTZXeUlvWm5WdVkzUnBiMjRvWjJ4dlltRnNMQ0JtS1h0Y2JseHVJQ0FuZFhObElITjBjbWxqZENjN1hHNWNiaUFnTHlwcGMzUmhibUoxYkNCcFoyNXZjbVVnYm1WNGRDb3ZYRzRnSUdsbUtIUjVjR1Z2WmlCdGIyUjFiR1VnSVQwOUlDZDFibVJsWm1sdVpXUW5LWHRjYmlBZ0lDQnRiMlIxYkdVdVpYaHdiM0owY3lBOUlHWW9LVHRjYmlBZ2ZWeHVYRzRnSUdWc2MyVWdhV1lvZEhsd1pXOW1JR2RzYjJKaGJDNWtaV1pwYm1VZ1BUMDlJQ2RtZFc1amRHbHZiaWNnSmlZZ1oyeHZZbUZzTG1SbFptbHVaUzVoYldRcGUxeHVJQ0FnSUdkc2IySmhiQzVrWldacGJtVW9XMTBzSUdZcE8xeHVJQ0I5WEc1Y2JpQWdaV3h6Wlh0Y2JpQWdJQ0JuYkc5aVlXd3VhVzV6Y0dWamRHWWdQU0JtS0NrN1hHNGdJSDFjYmx4dWZTZ3ZLbWx6ZEdGdVluVnNJR2xuYm05eVpTQnVaWGgwS2k4b1oyeHZZbUZzSUh4OElIZHBibVJ2ZHlCOGZDQjBhR2x6S1N3Z1puVnVZM1JwYjI0b0tYdGNibHh1SUNBbmRYTmxJSE4wY21samRDYzdYRzVjYmlBZ1puVnVZM1JwYjI0Z1kyaGxZMnR1S0c0cGUxeHVJQ0FnSUdsbUtIUjVjR1Z2WmlCdUlDRTlQU0FuYm5WdFltVnlKeWtnZEdoeWIzY2dibVYzSUZSNWNHVkZjbkp2Y2loY2JpQWdJQ0FnSUNkcGJuTndaV04wWmlCbGVIQmxZM1J6SUdsMGN5Qm1hWEp6ZENCaGNtZDFiV1Z1ZENCMGJ5QmlaU0JoSUc1MWJXSmxjaWRjYmlBZ0lDQXBPMXh1SUNCOVhHNWNiaUFnWm5WdVkzUnBiMjRnWTJobFkydG1LR1lwZTF4dUlDQWdJR2xtS0hSNWNHVnZaaUJtSUNFOVBTQW5ablZ1WTNScGIyNG5LU0IwYUhKdmR5QnVaWGNnVkhsd1pVVnljbTl5S0Z4dUlDQWdJQ0FnSjJsdWMzQmxZM1JtSUdWNGNHVmpkSE1nYVhSeklITmxZMjl1WkNCaGNtZDFiV1Z1ZENCMGJ5QmlaU0JoSUdaMWJtTjBhVzl1SjF4dUlDQWdJQ2s3WEc0Z0lIMWNibHh1SUNCamIyNXpkQ0JTVTFCQlEwVWdQU0F2WGlBcUx6dGNiaUFnWTI5dWMzUWdVa05QUkVVZ1BTQXZYRnh6S2x0ZVhGeHpYUzg3WEc0Z0lHTnZibk4wSUZKVVFVSlRJRDBnTDF4Y2RDOW5PMXh1SUNCamIyNXpkQ0JTUlU5TUlEMGdMMXhjYmx4Y2NqOHZPMXh1WEc0Z0lHWjFibU4wYVc5dUlHZGxkRkJoWkdScGJtY29iR2x1WlNsN1hHNGdJQ0FnY21WMGRYSnVJR3hwYm1VdWJXRjBZMmdvVWxOUVFVTkZLVnN3WFM1c1pXNW5kR2c3WEc0Z0lIMWNibHh1SUNCbWRXNWpkR2x2YmlCbmRXVnpjMGx1WkdWdWRHRjBhVzl1S0d4cGJtVnpLWHRjYmlBZ0lDQmpiMjV6ZENCbWFXeDBaWEpsWkNBOUlHeHBibVZ6TG1acGJIUmxjaWg0SUQwK0lGSkRUMFJGTG5SbGMzUW9lQ2twTzF4dUlDQWdJR052Ym5OMElIQmhaR1JwYm1keklEMGdabWxzZEdWeVpXUXViV0Z3S0dkbGRGQmhaR1JwYm1jcE8xeHVJQ0FnSUdOdmJuTjBJR1JsY0hSb0lEMGdjR0ZrWkdsdVozTXVjbVZrZFdObEtDaGhMQ0JpS1NBOVBpQk5ZWFJvTG0xcGJpaGhMQ0JpS1N3Z1NXNW1hVzVwZEhrcE8xeHVJQ0FnSUdOdmJuTjBJSFJoWW5OcGVtVWdQU0J3WVdSa2FXNW5jeTV0WVhBb2VDQTlQaUI0SUMwZ1pHVndkR2dwTG1acGJtUW9lQ0E5UGlCNElENGdNU2tnZkh3Z01qdGNiaUFnSUNCeVpYUjFjbTRnZTJSbGNIUm9MQ0IwWVdKemFYcGxmVHRjYmlBZ2ZWeHVYRzRnSUdaMWJtTjBhVzl1SUhCaFpDaHVLWHRjYmlBZ0lDQnlaWFIxY200Z0tHNWxkeUJCY25KaGVTaHVJQ3NnTVNrcExtcHZhVzRvSnlBbktUdGNiaUFnZlZ4dVhHNGdJR1oxYm1OMGFXOXVJSE5vYjNjb1ppd2dhVzVrWlc1MFlYUnBiMjRwZTF4dUlDQWdJSEpsZEhWeWJpQm1MblJ2VTNSeWFXNW5LQ2t1Y21Wd2JHRmpaU2hTVkVGQ1V5d2dhVzVrWlc1MFlYUnBiMjRwTzF4dUlDQjlYRzVjYmlBZ1puVnVZM1JwYjI0Z2RHOU1hVzVsY3loektYdGNiaUFnSUNCeVpYUjFjbTRnY3k1emNHeHBkQ2hTUlU5TUtUdGNiaUFnZlZ4dVhHNGdJR1oxYm1OMGFXOXVJR1pwZUVsdVpHVnVkR0YwYVc5dUtHeHBibVZ6TENCcGJtUmxiblJoZEdsdmJpbDdYRzRnSUNBZ1kyOXVjM1FnYVc1bWJ5QTlJR2QxWlhOelNXNWtaVzUwWVhScGIyNG9iR2x1WlhNdWMyeHBZMlVvTVNrcE8xeHVJQ0FnSUdOdmJuTjBJRkpRUVVRZ1BTQnVaWGNnVW1WblJYaHdLSEJoWkNocGJtWnZMblJoWW5OcGVtVXBMQ0FuWnljcE8xeHVJQ0FnSUhKbGRIVnliaUJzYVc1bGN5NXRZWEFvYkdsdVpTQTlQbHh1SUNBZ0lDQWdiR2x1WlM1emJHbGpaU2hOWVhSb0xtMXBiaWhwYm1adkxtUmxjSFJvTENCblpYUlFZV1JrYVc1bktHeHBibVVwS1NsY2JpQWdJQ0FnSUM1eVpYQnNZV05sS0ZKUVFVUXNJQ2RjWEhRbktTNXlaWEJzWVdObEtGSlVRVUpUTENCcGJtUmxiblJoZEdsdmJpbGNiaUFnSUNBcExtcHZhVzRvSjF4Y2JpY3BPMXh1SUNCOVhHNWNiaUFnY21WMGRYSnVJR1oxYm1OMGFXOXVJR2x1YzNCbFkzUm1LRzRzSUdZcGUxeHVJQ0FnSUdOb1pXTnJiaWh1S1R0Y2JpQWdJQ0JwWmloaGNtZDFiV1Z1ZEhNdWJHVnVaM1JvSUR3Z01pa2djbVYwZFhKdUlHWWdQVDRnYVc1emNHVmpkR1lvYml3Z1ppazdYRzRnSUNBZ1kyaGxZMnRtS0dZcE8xeHVJQ0FnSUdsbUtHWXVkRzlUZEhKcGJtY2dJVDA5SUVaMWJtTjBhVzl1TG5CeWIzUnZkSGx3WlM1MGIxTjBjbWx1WnlrZ2NtVjBkWEp1SUdZdWRHOVRkSEpwYm1jb0tUdGNiaUFnSUNCamIyNXpkQ0JwSUQwZ2NHRmtLRzRwTENCemFHOTNiaUE5SUhOb2IzY29aaXdnYVNrc0lHeHBibVZ6SUQwZ2RHOU1hVzVsY3loemFHOTNiaXdnYVNrN1hHNGdJQ0FnYVdZb2JHbHVaWE11YkdWdVozUm9JRHdnTWlrZ2NtVjBkWEp1SUhOb2IzZHVPMXh1SUNBZ0lISmxkSFZ5YmlCbWFYaEpibVJsYm5SaGRHbHZiaWhzYVc1bGN5d2dhU2s3WEc0Z0lIMWNibHh1ZlNrcE8xeHVJbDE5IiwiKGZ1bmN0aW9uIChnbG9iYWwpe1xuLy8vLyAgICAgIF9fX18gXyAgICAgICAgIF9cbi8vLy8gICAgIC8gX19ffCB8ICAgICAgIHwgfF9cbi8vLy8gICAgfCB8X18gfCB8IF8gICBfIHwgIF9cXCAgIF8gIF9fXyAgX19fXG4vLy8vICAgIHwgIF9ffHwgfHwgfCB8IHx8IHx8IHwgfCB8fCAgXy8vIF8gXFxcbi8vLy8gICAgfCB8ICAgfCB8fCB8X3wgfHwgfHwgfF98IHx8IHwgfCAgX18vXG4vLy8vICAgIHxffCAgIHxffCBcXF9fLF98fF98IFxcX18sX3x8X3wgIFxcX19fXFxcbi8vLy9cbihmdW5jdGlvbihnbG9iYWwsIGYpe1xuXG4gICd1c2Ugc3RyaWN0JztcblxuICAvKmlzdGFuYnVsIGlnbm9yZSBuZXh0Ki9cbiAgaWYobW9kdWxlICYmIHR5cGVvZiBtb2R1bGUuZXhwb3J0cyAhPT0gJ3VuZGVmaW5lZCcpe1xuICAgIG1vZHVsZS5leHBvcnRzID0gZihyZXF1aXJlKCdpbnNwZWN0LWYnKSk7XG4gIH1cblxuICBlbHNle1xuICAgIGdsb2JhbC5GbHV0dXJlID0gZihnbG9iYWwuaW5zcGVjdGYpO1xuICB9XG5cbn0oLyppc3RhbmJ1bCBpZ25vcmUgbmV4dCovKGdsb2JhbCB8fCB3aW5kb3cgfHwgdGhpcyksIGZ1bmN0aW9uKGluc3BlY3RmKXtcblxuICAndXNlIHN0cmljdCc7XG5cbiAgLy8vLy8vLy8vLy8vLy8vLy8vL1xuICAvLyBUeXBlIGNoZWNraW5nIC8vXG4gIC8vLy8vLy8vLy8vLy8vLy8vLy9cblxuICBjb25zdCBUWVBFT0ZfRlVUVVJFID0gJ2ZsdXR1cmUvRnV0dXJlJztcbiAgY29uc3QgRkwgPSB7XG4gICAgbWFwOiAnZmFudGFzeS1sYW5kL21hcCcsXG4gICAgYmltYXA6ICdmYW50YXN5LWxhbmQvYmltYXAnLFxuICAgIGNoYWluOiAnZmFudGFzeS1sYW5kL2NoYWluJyxcbiAgICBjaGFpblJlYzogJ2ZhbnRhc3ktbGFuZC9jaGFpblJlYycsXG4gICAgYXA6ICdmYW50YXN5LWxhbmQvYXAnLFxuICAgIG9mOiAnZmFudGFzeS1sYW5kL29mJ1xuICB9O1xuXG4gIGZ1bmN0aW9uIGlzRm9ya2FibGUobSl7XG4gICAgcmV0dXJuIEJvb2xlYW4obSkgJiYgdHlwZW9mIG0uZm9yayA9PT0gJ2Z1bmN0aW9uJyAmJiBtLmZvcmsubGVuZ3RoID49IDI7XG4gIH1cblxuICBmdW5jdGlvbiBpc0Z1dHVyZShtKXtcbiAgICByZXR1cm4gKG0gaW5zdGFuY2VvZiBGdXR1cmVDbGFzcykgfHwgQm9vbGVhbihtKSAmJiBtWydAQHR5cGUnXSA9PT0gVFlQRU9GX0ZVVFVSRTtcbiAgfVxuXG4gIGZ1bmN0aW9uIGlzRnVuY3Rpb24oZil7XG4gICAgcmV0dXJuIHR5cGVvZiBmID09PSAnZnVuY3Rpb24nO1xuICB9XG5cbiAgZnVuY3Rpb24gaXNCaW5hcnkoZil7XG4gICAgcmV0dXJuIGYubGVuZ3RoID49IDI7XG4gIH1cblxuICBmdW5jdGlvbiBpc1Rlcm5hcnkoZil7XG4gICAgcmV0dXJuIGYubGVuZ3RoID49IDM7XG4gIH1cblxuICBmdW5jdGlvbiBpc1Bvc2l0aXZlSW50ZWdlcihuKXtcbiAgICByZXR1cm4gbiA9PT0gSW5maW5pdHkgfHwgKHR5cGVvZiBuID09PSAnbnVtYmVyJyAmJiBuID4gMCAmJiBuICUgMSA9PT0gMCAmJiBuID09PSBuKTtcbiAgfVxuXG4gIGZ1bmN0aW9uIGlzT2JqZWN0KG8pe1xuICAgIHJldHVybiBvICE9PSBudWxsICYmIHR5cGVvZiBvID09PSAnb2JqZWN0JztcbiAgfVxuXG4gIGZ1bmN0aW9uIGlzSXRlcmF0b3IoaSl7XG4gICAgcmV0dXJuIGlzT2JqZWN0KGkpICYmIHR5cGVvZiBpLm5leHQgPT09ICdmdW5jdGlvbic7XG4gIH1cblxuICBmdW5jdGlvbiBpc0l0ZXJhdGlvbihvKXtcbiAgICByZXR1cm4gaXNPYmplY3QobykgJiYgdHlwZW9mIG8uZG9uZSA9PT0gJ2Jvb2xlYW4nO1xuICB9XG5cbiAgLy8vLy8vLy8vLy8vLy8vXG4gIC8vIFV0aWxpdGllcyAvL1xuICAvLy8vLy8vLy8vLy8vLy9cblxuICAvL0Egc21hbGwgc3RyaW5nIHJlcHJlc2VudGluZyBhIHZhbHVlLCBidXQgbm90IGNvbnRhaW5pbmcgdGhlIHdob2xlIHZhbHVlLlxuICBjb25zdCBwcmV2aWV3ID0geCA9PlxuICAgIHR5cGVvZiB4ID09PSAnc3RyaW5nJ1xuICAgID8gSlNPTi5zdHJpbmdpZnkoeClcbiAgICA6IEFycmF5LmlzQXJyYXkoeClcbiAgICA/IGBbQXJyYXk6ICR7eC5sZW5ndGh9XWBcbiAgICA6IHR5cGVvZiB4ID09PSAnZnVuY3Rpb24nXG4gICAgPyB0eXBlb2YgeC5uYW1lID09PSAnc3RyaW5nJyAmJiB4Lm5hbWUubGVuZ3RoID4gMFxuICAgID8gYFtGdW5jdGlvbjogJHt4Lm5hbWV9XWBcbiAgICA6IC8qaXN0YW5idWwgaWdub3JlIG5leHQqLyAnW0Z1bmN0aW9uXScgLy9Pbmx5IGZvciBvbGRlciBKUyBlbmdpbmVzLlxuICAgIDogeCAmJiB0eXBlb2YgeCA9PT0gJ29iamVjdCdcbiAgICA/IGBbT2JqZWN0OiAke09iamVjdC5rZXlzKHgpLm1hcChTdHJpbmcpLmpvaW4oJywgJyl9XWBcbiAgICA6IFN0cmluZyh4KTtcblxuICAvL0Egc2hvdyBmdW5jdGlvbiB0byBwcm92aWRlIGEgc2xpZ2h0bHkgbW9yZSBtZWFuaW5nZnVsIHJlcHJlc2VudGF0aW9uIG9mIHZhbHVlcy5cbiAgY29uc3Qgc2hvdyA9IHggPT5cbiAgICB0eXBlb2YgeCA9PT0gJ3N0cmluZydcbiAgICA/IHByZXZpZXcoeClcbiAgICA6IEFycmF5LmlzQXJyYXkoeClcbiAgICA/IGBbJHt4Lm1hcChwcmV2aWV3KS5qb2luKCcsICcpfV1gXG4gICAgOiB4ICYmICh0eXBlb2YgeC50b1N0cmluZyA9PT0gJ2Z1bmN0aW9uJylcbiAgICA/IHgudG9TdHJpbmcgPT09IE9iamVjdC5wcm90b3R5cGUudG9TdHJpbmdcbiAgICA/IGB7JHtPYmplY3Qua2V5cyh4KS5yZWR1Y2UoKG8sIGspID0+IG8uY29uY2F0KGAke3ByZXZpZXcoayl9OiAke3ByZXZpZXcoeFtrXSl9YCksIFtdKS5qb2luKCcsICcpfX1gXG4gICAgOiB4LnRvU3RyaW5nKClcbiAgICA6IHByZXZpZXcoeCk7XG5cbiAgY29uc3Qgbm9vcCA9IGZ1bmN0aW9uIG5vb3AoKXt9O1xuICBjb25zdCBjYWxsID0gZnVuY3Rpb24gY2FsbChmKXtmKCl9O1xuICBjb25zdCBwYWRmID0gKHNmLCBzKSA9PiBzLnJlcGxhY2UoL14vZ20sIHNmKS5yZXBsYWNlKHNmLCAnJyk7XG4gIGNvbnN0IHNob3dmID0gZiA9PiBwYWRmKCcgICcsIGluc3BlY3RmKDIsIGYpKTtcbiAgY29uc3QgZmlkID0gZiA9PiBmLm5hbWUgPyBmLm5hbWUgOiAnPGFub255bW91cz4nO1xuICBjb25zdCBvcmRpbmFsID0gWydmaXJzdCcsICdzZWNvbmQnLCAndGhpcmQnLCAnZm91cnRoJywgJ2ZpZnRoJ107XG4gIGNvbnN0IE5leHQgPSB4ID0+ICh7ZG9uZTogZmFsc2UsIHZhbHVlOiB4fSk7XG4gIGNvbnN0IERvbmUgPSB4ID0+ICh7ZG9uZTogdHJ1ZSwgdmFsdWU6IHh9KTtcblxuICAvL1BhcnRpYWxseSBhcHBseSBhIGZ1bmN0aW9uIHdpdGggYSBzaW5nbGUgYXJndW1lbnQuXG4gIGZ1bmN0aW9uIHVuYXJ5UGFydGlhbChmLCBhKXtcbiAgICByZXR1cm4gZnVuY3Rpb24gcGFydGlhbChiLCBjLCBkKXtcbiAgICAgIHN3aXRjaChhcmd1bWVudHMubGVuZ3RoKXtcbiAgICAgICAgY2FzZSAxOiByZXR1cm4gZihhLCBiKTtcbiAgICAgICAgY2FzZSAyOiByZXR1cm4gZihhLCBiLCBjKTtcbiAgICAgICAgZGVmYXVsdDogcmV0dXJuIGYoYSwgYiwgYywgZCk7XG4gICAgICB9XG4gICAgfTtcbiAgfVxuXG4gIC8vUGFydGlhbGx5IGFwcGx5IGEgZnVuY3Rpb24gd2l0aCB0d28gYXJndW1lbnRzLlxuICBmdW5jdGlvbiBiaW5hcnlQYXJ0aWFsKGYsIGEsIGIpe1xuICAgIHJldHVybiBmdW5jdGlvbiBwYXJ0aWFsKGMsIGQpeyByZXR1cm4gYXJndW1lbnRzLmxlbmd0aCA9PT0gMSA/IGYoYSwgYiwgYykgOiBmKGEsIGIsIGMsIGQpIH07XG4gIH1cblxuICAvL1BhcnRpYWxseSBhcHBseSBhIGZ1bmN0aW9uIHdpdGggdGhyZWUgYXJndW1lbnRzLlxuICBmdW5jdGlvbiB0ZXJuYXJ5UGFydGlhbChmLCBhLCBiLCBjKXtcbiAgICByZXR1cm4gZnVuY3Rpb24gcGFydGlhbChkKXsgcmV0dXJuIGYoYSwgYiwgYywgZCkgfTtcbiAgfVxuXG4gIC8vLy8vLy8vLy8vL1xuICAvLyBFcnJvcnMgLy9cbiAgLy8vLy8vLy8vLy8vXG5cbiAgZnVuY3Rpb24gZXJyb3IkaW52YWxpZEFyZ3VtZW50KGl0LCBhdCwgZXhwZWN0ZWQsIGFjdHVhbCl7XG4gICAgdGhyb3cgbmV3IFR5cGVFcnJvcihcbiAgICAgIGAke2l0fSBleHBlY3RzIGl0cyAke29yZGluYWxbYXRdfSBhcmd1bWVudCB0byAke2V4cGVjdGVkfVxcbiAgQWN0dWFsOiAke3Nob3coYWN0dWFsKX1gXG4gICAgKTtcbiAgfVxuXG4gIGZ1bmN0aW9uIGVycm9yJGludmFsaWRDb250ZXh0KGl0LCBhY3R1YWwpe1xuICAgIHRocm93IG5ldyBUeXBlRXJyb3IoXG4gICAgICBgJHtpdH0gd2FzIGludm9rZWQgb3V0c2lkZSB0aGUgY29udGV4dCBvZiBhIEZ1dHVyZS4gWW91IG1pZ2h0IHdhbnQgdG8gdXNlYFxuICAgICAgKyBgIGEgZGlzcGF0Y2hlciBpbnN0ZWFkXFxuICBDYWxsZWQgb246ICR7c2hvdyhhY3R1YWwpfWBcbiAgICApXG4gIH1cblxuICBmdW5jdGlvbiBjaGVjayRGdXR1cmUoZm9yayl7XG4gICAgaWYoIWlzRnVuY3Rpb24oZm9yaykpIGVycm9yJGludmFsaWRBcmd1bWVudCgnRnV0dXJlJywgMCwgJ2JlIGEgZnVuY3Rpb24nLCBmb3JrKTtcbiAgfVxuXG4gIGZ1bmN0aW9uIGNoZWNrJGZvcmsoaXQsIHJlaiwgcmVzKXtcbiAgICBpZighaXNGdXR1cmUoaXQpKSBlcnJvciRpbnZhbGlkQ29udGV4dCgnRnV0dXJlI2ZvcmsnLCBpdCk7XG4gICAgaWYoIWlzRnVuY3Rpb24ocmVqKSkgZXJyb3IkaW52YWxpZEFyZ3VtZW50KCdGdXR1cmUjZm9yaycsIDAsICdiZSBhIGZ1bmN0aW9uJywgcmVqKTtcbiAgICBpZighaXNGdW5jdGlvbihyZXMpKSBlcnJvciRpbnZhbGlkQXJndW1lbnQoJ0Z1dHVyZSNmb3JrJywgMSwgJ2JlIGEgZnVuY3Rpb24nLCByZXMpO1xuICB9XG5cbiAgZnVuY3Rpb24gY2hlY2skZm9yayRmKGYsIGMpe1xuICAgIGlmKCEoZiA9PT0gdW5kZWZpbmVkIHx8IChpc0Z1bmN0aW9uKGYpICYmIGYubGVuZ3RoID09PSAwKSkpIHRocm93IG5ldyBUeXBlRXJyb3IoXG4gICAgICAnRnV0dXJlI2ZvcmsgZXhwZWN0ZWQgdGhlIGNvbXB1dGF0aW9uIHRvIHJldHVybiBhIG51bGxhcnkgZnVuY3Rpb24gb3Igdm9pZCdcbiAgICAgICsgYFxcbiAgQWN0dWFsOiAke3Nob3coZil9XFxuICBGcm9tIGNhbGxpbmc6ICR7c2hvd2YoYyl9YFxuICAgICk7XG4gIH1cblxuICBmdW5jdGlvbiBjaGVjayRjaGFpbihpdCwgZil7XG4gICAgaWYoIWlzRnV0dXJlKGl0KSkgZXJyb3IkaW52YWxpZENvbnRleHQoJ0Z1dHVyZSNjaGFpbicsIGl0KTtcbiAgICBpZighaXNGdW5jdGlvbihmKSkgZXJyb3IkaW52YWxpZEFyZ3VtZW50KCdGdXR1cmUjY2hhaW4nLCAwLCAnYmUgYSBmdW5jdGlvbicsIGYpO1xuICB9XG5cbiAgZnVuY3Rpb24gY2hlY2skY2hhaW5SZWMoZil7XG4gICAgaWYoIWlzRnVuY3Rpb24oZikpIGVycm9yJGludmFsaWRBcmd1bWVudCgnRnV0dXJlLmNoYWluUmVjJywgMCwgJ2JlIGEgZnVuY3Rpb24nLCBmKTtcbiAgfVxuXG4gIGZ1bmN0aW9uIGNoZWNrJGNoYWluUmVjJGYobSwgZiwgaSwgeCl7XG4gICAgaWYoIWlzRnV0dXJlKG0pKSB0aHJvdyBuZXcgVHlwZUVycm9yKFxuICAgICAgJ0Z1dHVyZS5jaGFpblJlYyBleHBlY3RzIHRoZSBmdW5jdGlvbiBpdHMgZ2l2ZW4gdG8gcmV0dXJuIGEgRnV0dXJlIGV2ZXJ5J1xuICAgICAgKyAnIHRpbWUgaXQgaXMgY2FsbGVkLiBUaGUgdmFsdWUgcmV0dXJuZWQgZnJvbSdcbiAgICAgICsgKG9yZGluYWxbaV0gPyBgIHRoZSAke29yZGluYWxbaV19IGNhbGxgIDogYCBjYWxsICR7aX1gKVxuICAgICAgKyAnIHdhcyBub3QgYSBGdXR1cmUuJ1xuICAgICAgKyBgXFxuICBBY3R1YWw6ICR7c2hvdyhtKX1cXG4gIEZyb20gY2FsbGluZzogJHtzaG93ZihmKX1cXG4gIFdpdGg6IChOZXh0LCBEb25lLCAke3Nob3coeCl9KWBcbiAgICApO1xuICB9XG5cbiAgZnVuY3Rpb24gY2hlY2skY2hhaW5SZWMkaXQoaXQsIGkpe1xuICAgIGlmKCFpc0l0ZXJhdGlvbihpdCkpIHRocm93IG5ldyBUeXBlRXJyb3IoXG4gICAgICAnRnV0dXJlLmNoYWluUmVjIGV4cGVjdHMgdGhlIGZ1bmN0aW9uIGl0cyBnaXZlbiB0byByZXR1cm4gYSBGdXR1cmUgb2YgYW4nXG4gICAgICArICcgSXRlcmF0aW9uIGV2ZXJ5IHRpbWUgaXQgaXMgY2FsbGVkLiBUaGUgRnV0dXJlIHJldHVybmVkIGZyb20nXG4gICAgICArIChvcmRpbmFsW2ldID8gYCB0aGUgJHtvcmRpbmFsW2ldfSBjYWxsYCA6IGAgY2FsbCAke2l9YClcbiAgICAgICsgJyBkaWQgbm90IHJlc29sdmUgdG8gYSBtZW1iZXIgb2YgSXRlcmF0aW9uLidcbiAgICAgICsgJ1xcbiAgWW91IGNhbiBjcmVhdGUgYW4gdW5jb21wbGV0ZSBvciBjb21wbGV0ZSBJdGVyYXRpb24gdXNpbmcgdGhlIG5leHQnXG4gICAgICArICcgb3IgZG9uZSBmdW5jdGlvbnMgcmVzcGVjdGl2ZWx5LiBUaGVzZSBhcmUgcGFzc2VkIGludG8geW91ciBjYWxsYmFjaydcbiAgICAgICsgJyBhcyBmaXJzdCBhbmQgc2Vjb25kIGFyZ3VtZW50cy4nXG4gICAgICArIGBcXG4gIEFjdHVhbDogRnV0dXJlLm9mKCR7c2hvdyhpdCl9KWBcbiAgICApO1xuICB9XG5cbiAgZnVuY3Rpb24gY2hlY2skcmVjdXIoaXQsIGYpe1xuICAgIGlmKCFpc0Z1dHVyZShpdCkpIGVycm9yJGludmFsaWRDb250ZXh0KCdGdXR1cmUjcmVjdXInLCBpdCk7XG4gICAgaWYoIWlzRnVuY3Rpb24oZikpIGVycm9yJGludmFsaWRBcmd1bWVudCgnRnV0dXJlI3JlY3VyJywgMCwgJ2JlIGEgZnVuY3Rpb24nLCBmKTtcbiAgfVxuXG4gIGZ1bmN0aW9uIGNoZWNrJGNoYWluJGYobSwgZiwgeCl7XG4gICAgaWYoIWlzRnV0dXJlKG0pKSB0aHJvdyBuZXcgVHlwZUVycm9yKFxuICAgICAgJ0Z1dHVyZSNjaGFpbiBleHBlY3RzIHRoZSBmdW5jdGlvbiBpdHMgZ2l2ZW4gdG8gcmV0dXJuIGEgRnV0dXJlJ1xuICAgICAgKyBgXFxuICBBY3R1YWw6ICR7c2hvdyhtKX1cXG4gIEZyb20gY2FsbGluZzogJHtzaG93ZihmKX1cXG4gIFdpdGg6ICR7c2hvdyh4KX1gXG4gICAgKTtcbiAgfVxuXG4gIGZ1bmN0aW9uIGNoZWNrJHJlY3VyJGYobSwgZiwgeCl7XG4gICAgaWYoIWlzRnV0dXJlKG0pKSB0aHJvdyBuZXcgVHlwZUVycm9yKFxuICAgICAgJ0Z1dHVyZSNyZWN1ciBleHBlY3RzIHRoZSBmdW5jdGlvbiBpdHMgZ2l2ZW4gdG8gcmV0dXJuIGEgRnV0dXJlJ1xuICAgICAgKyBgXFxuICBBY3R1YWw6ICR7c2hvdyhtKX1cXG4gIEZyb20gY2FsbGluZzogJHtzaG93ZihmKX1cXG4gIFdpdGg6ICR7c2hvdyh4KX1gXG4gICAgKTtcbiAgfVxuXG4gIGZ1bmN0aW9uIGNoZWNrJGNoYWluUmVqKGl0LCBmKXtcbiAgICBpZighaXNGdXR1cmUoaXQpKSBlcnJvciRpbnZhbGlkQ29udGV4dCgnRnV0dXJlLmNoYWluUmVqJywgaXQpO1xuICAgIGlmKCFpc0Z1bmN0aW9uKGYpKSBlcnJvciRpbnZhbGlkQXJndW1lbnQoJ0Z1dHVyZS5jaGFpblJlaicsIDAsICdhIGZ1bmN0aW9uJywgZik7XG4gIH1cblxuICBmdW5jdGlvbiBjaGVjayRjaGFpblJlaiRmKG0sIGYsIHgpe1xuICAgIGlmKCFpc0Z1dHVyZShtKSkgdGhyb3cgbmV3IFR5cGVFcnJvcihcbiAgICAgICdGdXR1cmUuY2hhaW5SZWogZXhwZWN0cyB0aGUgZnVuY3Rpb24gaXRzIGdpdmVuIHRvIHJldHVybiBhIEZ1dHVyZSdcbiAgICAgICsgYFxcbiAgQWN0dWFsOiAke3Nob3cobSl9XFxuICBGcm9tIGNhbGxpbmc6ICR7c2hvd2YoZil9XFxuICBXaXRoOiAke3Nob3coeCl9YFxuICAgICk7XG4gIH1cblxuICBmdW5jdGlvbiBjaGVjayRtYXAoaXQsIGYpe1xuICAgIGlmKCFpc0Z1dHVyZShpdCkpIGVycm9yJGludmFsaWRDb250ZXh0KCdGdXR1cmUjbWFwJywgaXQpO1xuICAgIGlmKCFpc0Z1bmN0aW9uKGYpKSBlcnJvciRpbnZhbGlkQXJndW1lbnQoJ0Z1dHVyZSNtYXAnLCAwLCAnYmUgYSBmdW5jdGlvbicsIGYpO1xuICB9XG5cbiAgZnVuY3Rpb24gY2hlY2skbWFwUmVqKGl0LCBmKXtcbiAgICBpZighaXNGdXR1cmUoaXQpKSBlcnJvciRpbnZhbGlkQ29udGV4dCgnRnV0dXJlI21hcFJlaicsIGl0KTtcbiAgICBpZighaXNGdW5jdGlvbihmKSkgZXJyb3IkaW52YWxpZEFyZ3VtZW50KCdGdXR1cmUjbWFwUmVqJywgMCwgJ2JlIGEgZnVuY3Rpb24nLCBmKTtcbiAgfVxuXG4gIGZ1bmN0aW9uIGNoZWNrJGJpbWFwKGl0LCBmLCBnKXtcbiAgICBpZighaXNGdXR1cmUoaXQpKSBlcnJvciRpbnZhbGlkQ29udGV4dCgnRnV0dXJlI2JpbWFwJywgaXQpO1xuICAgIGlmKCFpc0Z1bmN0aW9uKGYpKSBlcnJvciRpbnZhbGlkQXJndW1lbnQoJ0Z1dHVyZSNiaW1hcCcsIDAsICdiZSBhIGZ1bmN0aW9uJywgZik7XG4gICAgaWYoIWlzRnVuY3Rpb24oZykpIGVycm9yJGludmFsaWRBcmd1bWVudCgnRnV0dXJlI2JpbWFwJywgMSwgJ2JlIGEgZnVuY3Rpb24nLCBnKTtcbiAgfVxuXG4gIGZ1bmN0aW9uIGNoZWNrJGFwKGl0LCBtKXtcbiAgICBpZighaXNGdXR1cmUoaXQpKSBlcnJvciRpbnZhbGlkQ29udGV4dCgnRnV0dXJlI2FwJywgaXQpO1xuICAgIGlmKCFpc0Z1dHVyZShtKSkgZXJyb3IkaW52YWxpZEFyZ3VtZW50KCdGdXR1cmUjYXAnLCAwLCAnYmUgYSBGdXR1cmUnLCBtKTtcbiAgfVxuXG4gIGZ1bmN0aW9uIGNoZWNrJGFwJGYoZil7XG4gICAgaWYoIWlzRnVuY3Rpb24oZikpIHRocm93IG5ldyBUeXBlRXJyb3IoXG4gICAgICAnRnV0dXJlI2FwIGV4cGVjdHMgaXRzIGZpcnN0IGFyZ3VtZW50IHRvIGJlIGEgRnV0dXJlIG9mIGEgRnVuY3Rpb24nXG4gICAgICArIGBcXG4gIEFjdHVhbDogRnV0dXJlLm9mKCR7c2hvdyhmKX0pYFxuICAgICk7XG4gIH1cblxuICBmdW5jdGlvbiBjaGVjayRzd2FwKGl0KXtcbiAgICBpZighaXNGdXR1cmUoaXQpKSBlcnJvciRpbnZhbGlkQ29udGV4dCgnRnV0dXJlI3N3YXAnLCBpdCk7XG4gIH1cblxuICBmdW5jdGlvbiBjaGVjayRyYWNlKGl0LCBtKXtcbiAgICBpZighaXNGdXR1cmUoaXQpKSBlcnJvciRpbnZhbGlkQ29udGV4dCgnRnV0dXJlI3JhY2UnLCBpdCk7XG4gICAgaWYoIWlzRnV0dXJlKG0pKSBlcnJvciRpbnZhbGlkQXJndW1lbnQoJ0Z1dHVyZSNyYWNlJywgMCwgJ2JlIGEgRnV0dXJlJywgbSk7XG4gIH1cblxuICBmdW5jdGlvbiBjaGVjayRvcihpdCwgbSl7XG4gICAgaWYoIWlzRnV0dXJlKGl0KSkgZXJyb3IkaW52YWxpZENvbnRleHQoJ0Z1dHVyZSNvcicsIGl0KTtcbiAgICBpZighaXNGdXR1cmUobSkpIGVycm9yJGludmFsaWRBcmd1bWVudCgnRnV0dXJlI29yJywgMCwgJ2JlIGEgRnV0dXJlJywgbSk7XG4gIH1cblxuICBmdW5jdGlvbiBjaGVjayRmb2xkKGl0LCBmLCBnKXtcbiAgICBpZighaXNGdXR1cmUoaXQpKSBlcnJvciRpbnZhbGlkQ29udGV4dCgnRnV0dXJlI2ZvbGQnLCBpdCk7XG4gICAgaWYoIWlzRnVuY3Rpb24oZikpIGVycm9yJGludmFsaWRBcmd1bWVudCgnRnV0dXJlI2ZvbGQnLCAwLCAnYmUgYSBmdW5jdGlvbicsIGYpO1xuICAgIGlmKCFpc0Z1bmN0aW9uKGcpKSBlcnJvciRpbnZhbGlkQXJndW1lbnQoJ0Z1dHVyZSNmb2xkJywgMSwgJ2JlIGEgZnVuY3Rpb24nLCBnKTtcbiAgfVxuXG4gIGZ1bmN0aW9uIGNoZWNrJGhvb2soaXQsIGYsIGcpe1xuICAgIGlmKCFpc0Z1dHVyZShpdCkpIGVycm9yJGludmFsaWRDb250ZXh0KCdGdXR1cmUjaG9vaycsIGl0KTtcbiAgICBpZighaXNGdW5jdGlvbihmKSkgZXJyb3IkaW52YWxpZEFyZ3VtZW50KCdGdXR1cmUjaG9vaycsIDAsICdiZSBhIGZ1bmN0aW9uJywgZik7XG4gICAgaWYoIWlzRnVuY3Rpb24oZykpIGVycm9yJGludmFsaWRBcmd1bWVudCgnRnV0dXJlI2hvb2snLCAxLCAnYmUgYSBmdW5jdGlvbicsIGcpO1xuICB9XG5cbiAgZnVuY3Rpb24gY2hlY2skaG9vayRmKG0sIGYsIHgpe1xuICAgIGlmKCFpc0Z1dHVyZShtKSkgdGhyb3cgbmV3IFR5cGVFcnJvcihcbiAgICAgICdGdXR1cmUjaG9vayBleHBlY3RzIHRoZSBmaXJzdCBmdW5jdGlvbiBpdHMgZ2l2ZW4gdG8gcmV0dXJuIGEgRnV0dXJlJ1xuICAgICAgKyBgXFxuICBBY3R1YWw6ICR7c2hvdyhtKX1cXG4gIEZyb20gY2FsbGluZzogJHtzaG93ZihmKX1cXG4gIFdpdGg6ICR7c2hvdyh4KX1gXG4gICAgKTtcbiAgfVxuXG4gIGZ1bmN0aW9uIGNoZWNrJGhvb2skZyhtLCBnLCB4KXtcbiAgICBpZighaXNGdXR1cmUobSkpIHRocm93IG5ldyBUeXBlRXJyb3IoXG4gICAgICAnRnV0dXJlI2hvb2sgZXhwZWN0cyB0aGUgc2Vjb25kIGZ1bmN0aW9uIGl0cyBnaXZlbiB0byByZXR1cm4gYSBGdXR1cmUnXG4gICAgICArIGBcXG4gIEFjdHVhbDogJHtzaG93KG0pfVxcbiAgRnJvbSBjYWxsaW5nOiAke3Nob3dmKGcpfVxcbiAgV2l0aDogJHtzaG93KHgpfWBcbiAgICApO1xuICB9XG5cbiAgZnVuY3Rpb24gY2hlY2skZmluYWxseShpdCwgbSl7XG4gICAgaWYoIWlzRnV0dXJlKGl0KSkgZXJyb3IkaW52YWxpZENvbnRleHQoJ0Z1dHVyZSNmaW5hbGx5JywgaXQpO1xuICAgIGlmKCFpc0Z1dHVyZShtKSkgZXJyb3IkaW52YWxpZEFyZ3VtZW50KCdGdXR1cmUjZmluYWxseScsIDAsICdiZSBhIEZ1dHVyZScsIG0pO1xuICB9XG5cbiAgZnVuY3Rpb24gY2hlY2skdmFsdWUoaXQsIGYpe1xuICAgIGlmKCFpc0Z1dHVyZShpdCkpIGVycm9yJGludmFsaWRDb250ZXh0KCdGdXR1cmUjdmFsdWUnLCBpdCk7XG4gICAgaWYoIWlzRnVuY3Rpb24oZikpIGVycm9yJGludmFsaWRBcmd1bWVudCgnRnV0dXJlI3ZhbHVlJywgMCwgJ2JlIGEgZnVuY3Rpb24nLCBmKTtcbiAgfVxuXG4gIGZ1bmN0aW9uIGNoZWNrJHByb21pc2UoaXQpe1xuICAgIGlmKCFpc0Z1dHVyZShpdCkpIGVycm9yJGludmFsaWRDb250ZXh0KCdGdXR1cmUjcHJvbWlzZScsIGl0KTtcbiAgfVxuXG4gIGZ1bmN0aW9uIGNoZWNrJGNhY2hlKGl0KXtcbiAgICBpZighaXNGdXR1cmUoaXQpKSBlcnJvciRpbnZhbGlkQ29udGV4dCgnRnV0dXJlI2NhY2hlJywgaXQpO1xuICB9XG5cbiAgZnVuY3Rpb24gY2hlY2skYWZ0ZXIobil7XG4gICAgaWYodHlwZW9mIG4gIT09ICdudW1iZXInKSBlcnJvciRpbnZhbGlkQXJndW1lbnQoJ0Z1dHVyZS5hZnRlcicsIDAsICdiZSBhIG51bWJlcicsIG4pO1xuICB9XG5cbiAgZnVuY3Rpb24gY2hlY2skY2FzdChtKXtcbiAgICBpZighaXNGb3JrYWJsZShtKSkgZXJyb3IkaW52YWxpZEFyZ3VtZW50KCdGdXR1cmUuY2FzdCcsIDAsICdiZSBhIEZvcmthYmxlJywgbSk7XG4gIH1cblxuICBmdW5jdGlvbiBjaGVjayRlbmNhc2UoZil7XG4gICAgaWYoIWlzRnVuY3Rpb24oZikpIGVycm9yJGludmFsaWRBcmd1bWVudCgnRnV0dXJlLmVuY2FzZScsIDAsICdiZSBhIGZ1bmN0aW9uJywgZik7XG4gIH1cblxuICBmdW5jdGlvbiBjaGVjayRlbmNhc2UyKGYpe1xuICAgIGlmKCFpc0Z1bmN0aW9uKGYpKSBlcnJvciRpbnZhbGlkQXJndW1lbnQoJ0Z1dHVyZS5lbmNhc2UyJywgMCwgJ2JlIGEgZnVuY3Rpb24nLCBmKTtcbiAgICBpZighaXNCaW5hcnkoZikpIGVycm9yJGludmFsaWRBcmd1bWVudCgnRnV0dXJlLmVuY2FzZTInLCAwLCAndGFrZSB0d28gYXJndW1lbnRzJywgZik7XG4gIH1cblxuICBmdW5jdGlvbiBjaGVjayRlbmNhc2UzKGYpe1xuICAgIGlmKCFpc0Z1bmN0aW9uKGYpKSBlcnJvciRpbnZhbGlkQXJndW1lbnQoJ0Z1dHVyZS5lbmNhc2UzJywgMCwgJ2JlIGEgZnVuY3Rpb24nLCBmKTtcbiAgICBpZighaXNUZXJuYXJ5KGYpKSBlcnJvciRpbnZhbGlkQXJndW1lbnQoJ0Z1dHVyZS5lbmNhc2UzJywgMCwgJ3Rha2UgdGhyZWUgYXJndW1lbnRzJywgZik7XG4gIH1cblxuICBmdW5jdGlvbiBjaGVjayRub2RlKGYpe1xuICAgIGlmKCFpc0Z1bmN0aW9uKGYpKSBlcnJvciRpbnZhbGlkQXJndW1lbnQoJ0Z1dHVyZS5ub2RlJywgMCwgJ2JlIGEgZnVuY3Rpb24nLCBmKTtcbiAgfVxuXG4gIGZ1bmN0aW9uIGNoZWNrJHBhcmFsbGVsKGksIG1zKXtcbiAgICBpZighaXNQb3NpdGl2ZUludGVnZXIoaSkpIGVycm9yJGludmFsaWRBcmd1bWVudCgnRnV0dXJlLnBhcmFsbGVsJywgMCwgJ2JlIGEgcG9zaXRpdmUgaW50ZWdlcicsIGkpO1xuICAgIGlmKCFBcnJheS5pc0FycmF5KG1zKSkgZXJyb3IkaW52YWxpZEFyZ3VtZW50KCdGdXR1cmUucGFyYWxsZWwnLCAxLCAnYmUgYW4gYXJyYXknLCBtcyk7XG4gIH1cblxuICBmdW5jdGlvbiBjaGVjayRwYXJhbGxlbCRtKG0sIGkpe1xuICAgIGlmKCFpc0Z1dHVyZShtKSkgdGhyb3cgbmV3IFR5cGVFcnJvcihcbiAgICAgICdGdXR1cmUucGFyYWxsZWwgZXhwZWN0cyBpdHMgc2Vjb25kIGFyZ3VtZW50IHRvIGJlIGFuIGFycmF5IG9mIEZ1dHVyZXMuJ1xuICAgICAgKyBgIFRoZSB2YWx1ZSBhdCBwb3NpdGlvbiAke2l9IGluIHRoZSBhcnJheSB3YXMgbm90IGEgRnV0dXJlXFxuICBBY3R1YWw6ICR7c2hvdyhtKX1gXG4gICAgKTtcbiAgfVxuXG4gIGZ1bmN0aW9uIGNoZWNrJGRvKGYpe1xuICAgIGlmKCFpc0Z1bmN0aW9uKGYpKSBlcnJvciRpbnZhbGlkQXJndW1lbnQoJ0Z1dHVyZS5kbycsIDAsICdiZSBhIGZ1bmN0aW9uJywgZik7XG4gIH1cblxuICBmdW5jdGlvbiBjaGVjayRkbyRnKGcpe1xuICAgIGlmKCFpc0l0ZXJhdG9yKGcpKSBlcnJvciRpbnZhbGlkQXJndW1lbnQoXG4gICAgICAnRnV0dXJlLmRvJywgMCwgJ3JldHVybiBhbiBpdGVyYXRvciwgbWF5YmUgeW91IGZvcmdvdCB0aGUgXCIqXCInLCBnXG4gICAgKTtcbiAgfVxuXG4gIGZ1bmN0aW9uIGNoZWNrJGRvJG5leHQobyl7XG4gICAgaWYoIWlzSXRlcmF0aW9uKG8pKSB0aHJvdyBuZXcgVHlwZUVycm9yKFxuICAgICAgJ0Z1dHVyZS5kbyB3YXMgZ2l2ZW4gYW4gaW52YWxpZCBnZW5lcmF0b3I6J1xuICAgICAgKyAnIEl0cyBpdGVyYXRvciBkaWQgbm90IHJldHVybiBhIHZhbGlkIGl0ZXJhdGlvbiBmcm9tIGl0ZXJhdG9yLm5leHQoKSdcbiAgICAgICsgYFxcbiAgQWN0dWFsOiAke3Nob3cobyl9YFxuICAgICk7XG4gICAgaWYoIW8uZG9uZSAmJiAhaXNGdXR1cmUoby52YWx1ZSkpIHRocm93IG5ldyBUeXBlRXJyb3IoXG4gICAgICAnQSBub24tRnV0dXJlIHdhcyBwcm9kdWNlZCBieSBpdGVyYXRvci5uZXh0KCkgaW4gRnV0dXJlLmRvLidcbiAgICAgICsgJyBJZiB5b3VcXCdyZSB1c2luZyBhIGdlbmVyYXRvciwgbWFrZSBzdXJlIHlvdSBhbHdheXMgYHlpZWxkYCBhIEZ1dHVyZSdcbiAgICAgICsgYFxcbiAgQWN0dWFsOiAke28udmFsdWV9YFxuICAgICk7XG4gIH1cblxuICAvLy8vLy8vLy8vLy9cbiAgLy8gRnV0dXJlIC8vXG4gIC8vLy8vLy8vLy8vL1xuXG4gIGZ1bmN0aW9uIEZ1dHVyZUNsYXNzKHNhZmUsIGYpe1xuICAgIHRoaXMuX2YgPSBzYWZlID09PSB0cnVlID8gRnV0dXJlJHNhZmVGb3JrIDogZjtcbiAgICB0aGlzLl9yYXcgPSBmO1xuICB9XG5cbiAgZnVuY3Rpb24gRnV0dXJlKGYpe1xuICAgIGNoZWNrJEZ1dHVyZShmKTtcbiAgICByZXR1cm4gbmV3IEZ1dHVyZUNsYXNzKHRydWUsIGYpO1xuICB9XG5cbiAgZnVuY3Rpb24gRnV0dXJlJG9mKHgpe1xuICAgIHJldHVybiBuZXcgRnV0dXJlQ2xhc3MoZmFsc2UsIGZ1bmN0aW9uIEZ1dHVyZSRvZiRmb3JrKHJlaiwgcmVzKXtcbiAgICAgIHJlcyh4KTtcbiAgICAgIHJldHVybiBub29wO1xuICAgIH0pO1xuICB9XG5cbiAgZnVuY3Rpb24gRnV0dXJlJGNoYWluUmVjKGYsIGluaXQpe1xuICAgIGlmKGFyZ3VtZW50cy5sZW5ndGggPT09IDEpIHJldHVybiB1bmFyeVBhcnRpYWwoRnV0dXJlJGNoYWluUmVjLCBmKTtcbiAgICBjaGVjayRjaGFpblJlYyhmKTtcbiAgICByZXR1cm4gbmV3IEZ1dHVyZUNsYXNzKGZhbHNlLCBmdW5jdGlvbihyZWosIHJlcyl7XG4gICAgICBsZXQgY2FuY2VsID0gbm9vcCwgaSA9IDA7XG4gICAgICAoZnVuY3Rpb24gRnV0dXJlJGNoYWluUmVjJHJlY3VyKHN0YXRlKXtcbiAgICAgICAgbGV0IGlzU3luYyA9IG51bGw7XG4gICAgICAgIGZ1bmN0aW9uIEZ1dHVyZSRjaGFpblJlYyRyZXMoaXQpe1xuICAgICAgICAgIGNoZWNrJGNoYWluUmVjJGl0KGl0LCBpKTtcbiAgICAgICAgICBpID0gaSArIDE7XG4gICAgICAgICAgaWYoaXNTeW5jID09PSBudWxsKXtcbiAgICAgICAgICAgIGlzU3luYyA9IHRydWU7XG4gICAgICAgICAgICBzdGF0ZSA9IGl0O1xuICAgICAgICAgIH1lbHNle1xuICAgICAgICAgICAgRnV0dXJlJGNoYWluUmVjJHJlY3VyKGl0KTtcbiAgICAgICAgICB9XG4gICAgICAgIH1cbiAgICAgICAgd2hpbGUoIXN0YXRlLmRvbmUpe1xuICAgICAgICAgIGlzU3luYyA9IG51bGw7XG4gICAgICAgICAgY29uc3QgbSA9IGYoTmV4dCwgRG9uZSwgc3RhdGUudmFsdWUpO1xuICAgICAgICAgIGNoZWNrJGNoYWluUmVjJGYobSwgZiwgaSwgc3RhdGUudmFsdWUpO1xuICAgICAgICAgIGNhbmNlbCA9IG0uX2YocmVqLCBGdXR1cmUkY2hhaW5SZWMkcmVzKTtcbiAgICAgICAgICBpZihpc1N5bmMgPT09IHRydWUpe1xuICAgICAgICAgICAgY29udGludWU7XG4gICAgICAgICAgfWVsc2V7XG4gICAgICAgICAgICBpc1N5bmMgPSBmYWxzZTtcbiAgICAgICAgICAgIHJldHVybjtcbiAgICAgICAgICB9XG4gICAgICAgIH1cbiAgICAgICAgcmVzKHN0YXRlLnZhbHVlKTtcbiAgICAgIH0oTmV4dChpbml0KSkpO1xuICAgICAgcmV0dXJuIGZ1bmN0aW9uIEZ1dHVyZSRjaGFpblJlYyRjYW5jZWwoKXsgY2FuY2VsKCkgfTtcbiAgICB9KTtcbiAgfVxuXG4gIGZ1bmN0aW9uIEZ1dHVyZSRmb3JrKHJlaiwgcmVzKXtcbiAgICBjaGVjayRmb3JrKHRoaXMsIHJlaiwgcmVzKTtcbiAgICByZXR1cm4gdGhpcy5fZihyZWosIHJlcyk7XG4gIH1cblxuICBmdW5jdGlvbiBGdXR1cmUkc2FmZUZvcmsocmVqLCByZXMpe1xuICAgIGxldCBvcGVuID0gdHJ1ZTtcbiAgICBjb25zdCBmID0gdGhpcy5fcmF3KGZ1bmN0aW9uIEZ1dHVyZSRzYWZlRm9yayRyZWooeCl7XG4gICAgICBpZihvcGVuKXtcbiAgICAgICAgb3BlbiA9IGZhbHNlO1xuICAgICAgICByZWooeCk7XG4gICAgICB9XG4gICAgfSwgZnVuY3Rpb24gRnV0dXJlJHNhZmVGb3JrJHJlcyh4KXtcbiAgICAgIGlmKG9wZW4pe1xuICAgICAgICBvcGVuID0gZmFsc2U7XG4gICAgICAgIHJlcyh4KTtcbiAgICAgIH1cbiAgICB9KTtcbiAgICBjaGVjayRmb3JrJGYoZiwgdGhpcy5fcmF3KTtcbiAgICByZXR1cm4gZnVuY3Rpb24gRnV0dXJlJHNhZmVGb3JrJGNhbmNlbCgpe1xuICAgICAgb3BlbiAmJiBmICYmIGYoKTtcbiAgICAgIG9wZW4gPSBmYWxzZTtcbiAgICB9O1xuICB9XG5cbiAgZnVuY3Rpb24gRnV0dXJlJGNoYWluKGYpe1xuICAgIGNoZWNrJGNoYWluKHRoaXMsIGYpO1xuICAgIGNvbnN0IF90aGlzID0gdGhpcztcbiAgICByZXR1cm4gbmV3IEZ1dHVyZUNsYXNzKGZhbHNlLCBmdW5jdGlvbiBGdXR1cmUkY2hhaW4kZm9yayhyZWosIHJlcyl7XG4gICAgICBsZXQgY2FuY2VsO1xuICAgICAgY29uc3QgciA9IF90aGlzLl9mKHJlaiwgZnVuY3Rpb24gRnV0dXJlJGNoYWluJHJlcyh4KXtcbiAgICAgICAgY29uc3QgbSA9IGYoeCk7XG4gICAgICAgIGNoZWNrJGNoYWluJGYobSwgZiwgeCk7XG4gICAgICAgIGNhbmNlbCA9IG0uX2YocmVqLCByZXMpO1xuICAgICAgfSk7XG4gICAgICByZXR1cm4gY2FuY2VsID8gY2FuY2VsIDogKGNhbmNlbCA9IHIsIGZ1bmN0aW9uIEZ1dHVyZSRjaGFpbiRjYW5jZWwoKXsgY2FuY2VsKCkgfSk7XG4gICAgfSk7XG4gIH1cblxuICBmdW5jdGlvbiBGdXR1cmUkcmVjdXIoZil7XG4gICAgY2hlY2skcmVjdXIodGhpcywgZik7XG4gICAgY29uc3QgX3RoaXMgPSB0aGlzO1xuICAgIHJldHVybiBuZXcgRnV0dXJlQ2xhc3MoZmFsc2UsIGZ1bmN0aW9uIEZ1dHVyZSRjaGFpbiRmb3JrKHJlaiwgcmVzKXtcbiAgICAgIHJldHVybiBfdGhpcy5fZihyZWosIGZ1bmN0aW9uIEZ1dHVyZSRjaGFpbiRyZXMoeCl7XG4gICAgICAgIGNvbnN0IG0gPSBmKHgpO1xuICAgICAgICBjaGVjayRyZWN1ciRmKG0sIGYsIHgpO1xuICAgICAgICBtLl9mKHJlaiwgcmVzKTtcbiAgICAgIH0pO1xuICAgIH0pO1xuICB9XG5cbiAgZnVuY3Rpb24gRnV0dXJlJGNoYWluUmVqKGYpe1xuICAgIGNoZWNrJGNoYWluUmVqKHRoaXMsIGYpO1xuICAgIGNvbnN0IF90aGlzID0gdGhpcztcbiAgICByZXR1cm4gbmV3IEZ1dHVyZUNsYXNzKGZhbHNlLCBmdW5jdGlvbiBGdXR1cmUkY2hhaW5SZWokZm9yayhyZWosIHJlcyl7XG4gICAgICBsZXQgY2FuY2VsO1xuICAgICAgY29uc3QgciA9IF90aGlzLl9mKGZ1bmN0aW9uIEZ1dHVyZSRjaGFpblJlaiRyZWooeCl7XG4gICAgICAgIGNvbnN0IG0gPSBmKHgpO1xuICAgICAgICBjaGVjayRjaGFpblJlaiRmKG0sIGYsIHgpO1xuICAgICAgICBjYW5jZWwgPSBtLl9mKHJlaiwgcmVzKTtcbiAgICAgIH0sIHJlcyk7XG4gICAgICByZXR1cm4gY2FuY2VsID8gY2FuY2VsIDogKGNhbmNlbCA9IHIsIGZ1bmN0aW9uIEZ1dHVyZSRjaGFpblJlaiRjYW5jZWwoKXsgY2FuY2VsKCkgfSk7XG4gICAgfSk7XG4gIH1cblxuICBmdW5jdGlvbiBGdXR1cmUkbWFwKGYpe1xuICAgIGNoZWNrJG1hcCh0aGlzLCBmKTtcbiAgICBjb25zdCBfdGhpcyA9IHRoaXM7XG4gICAgcmV0dXJuIG5ldyBGdXR1cmVDbGFzcyhmYWxzZSwgZnVuY3Rpb24gRnV0dXJlJG1hcCRmb3JrKHJlaiwgcmVzKXtcbiAgICAgIHJldHVybiBfdGhpcy5fZihyZWosIGZ1bmN0aW9uIEZ1dHVyZSRtYXAkcmVzKHgpe1xuICAgICAgICByZXMoZih4KSk7XG4gICAgICB9KTtcbiAgICB9KTtcbiAgfVxuXG4gIGZ1bmN0aW9uIEZ1dHVyZSRtYXBSZWooZil7XG4gICAgY2hlY2skbWFwUmVqKHRoaXMsIGYpO1xuICAgIGNvbnN0IF90aGlzID0gdGhpcztcbiAgICByZXR1cm4gbmV3IEZ1dHVyZUNsYXNzKGZhbHNlLCBmdW5jdGlvbiBGdXR1cmUkbWFwUmVqJGZvcmsocmVqLCByZXMpe1xuICAgICAgcmV0dXJuIF90aGlzLl9mKGZ1bmN0aW9uIEZ1dHVyZSRtYXBSZWokcmVqKHgpe1xuICAgICAgICByZWooZih4KSk7XG4gICAgICB9LCByZXMpO1xuICAgIH0pO1xuICB9XG5cbiAgZnVuY3Rpb24gRnV0dXJlJGJpbWFwKGYsIGcpe1xuICAgIGNoZWNrJGJpbWFwKHRoaXMsIGYsIGcpO1xuICAgIGNvbnN0IF90aGlzID0gdGhpcztcbiAgICByZXR1cm4gbmV3IEZ1dHVyZUNsYXNzKGZhbHNlLCBmdW5jdGlvbiBGdXR1cmUkYmltYXAkZm9yayhyZWosIHJlcyl7XG4gICAgICByZXR1cm4gX3RoaXMuX2YoZnVuY3Rpb24gRnV0dXJlJGJpbWFwJHJlaih4KXtcbiAgICAgICAgcmVqKGYoeCkpO1xuICAgICAgfSwgZnVuY3Rpb24gRnV0dXJlJGJpbWFwJHJlcyh4KXtcbiAgICAgICAgcmVzKGcoeCkpO1xuICAgICAgfSk7XG4gICAgfSk7XG4gIH1cblxuICBmdW5jdGlvbiBGdXR1cmUkYXAobSl7XG4gICAgY2hlY2skYXAodGhpcywgbSk7XG4gICAgY29uc3QgX3RoaXMgPSB0aGlzO1xuICAgIHJldHVybiBuZXcgRnV0dXJlQ2xhc3MoZmFsc2UsIGZ1bmN0aW9uIEZ1dHVyZSRhcCRmb3JrKGcsIHJlcyl7XG4gICAgICBsZXQgX2YsIF94LCBvazEsIG9rMiwga287XG4gICAgICBjb25zdCByZWogPSB4ID0+IGtvIHx8IChrbyA9IDEsIGcoeCkpO1xuICAgICAgY29uc3QgYzEgPSBfdGhpcy5fZihyZWosIGZ1bmN0aW9uIEZ1dHVyZSRhcCRyZXNUaGlzKHgpe1xuICAgICAgICBpZighb2sxKSByZXR1cm4gdm9pZCAob2syID0gMSwgX3ggPSB4KVxuICAgICAgICBjaGVjayRhcCRmKF9mKTtcbiAgICAgICAgcmVzKF9mKHgpKTtcbiAgICAgIH0pO1xuICAgICAgY29uc3QgYzIgPSBtLl9mKHJlaiwgZnVuY3Rpb24gRnV0dXJlJGFwJHJlc1RoYXQoZil7XG4gICAgICAgIGlmKCFvazIpIHJldHVybiB2b2lkIChvazEgPSAxLCBfZiA9IGYpO1xuICAgICAgICBjaGVjayRhcCRmKGYpO1xuICAgICAgICByZXMoZihfeCkpO1xuICAgICAgfSk7XG4gICAgICByZXR1cm4gZnVuY3Rpb24gRnV0dXJlJGFwJGNhbmNlbCgpeyBjMSgpOyBjMigpIH07XG4gICAgfSk7XG4gIH1cblxuICBmdW5jdGlvbiBGdXR1cmUkc3dhcCgpe1xuICAgIGNoZWNrJHN3YXAodGhpcyk7XG4gICAgY29uc3QgX3RoaXMgPSB0aGlzO1xuICAgIHJldHVybiBuZXcgRnV0dXJlQ2xhc3MoZmFsc2UsIGZ1bmN0aW9uIEZ1dHVyZSRzd2FwJGZvcmsocmVqLCByZXMpe1xuICAgICAgcmV0dXJuIF90aGlzLl9mKHJlcywgcmVqKTtcbiAgICB9KTtcbiAgfVxuXG4gIGZ1bmN0aW9uIEZ1dHVyZSR0b1N0cmluZygpe1xuICAgIHJldHVybiBgRnV0dXJlKCR7dGhpcy5fcmF3LnRvU3RyaW5nKCl9KWA7XG4gIH1cblxuICBmdW5jdGlvbiBGdXR1cmUkcmFjZShtKXtcbiAgICBjaGVjayRyYWNlKHRoaXMsIG0pO1xuICAgIGNvbnN0IF90aGlzID0gdGhpcztcbiAgICByZXR1cm4gbmV3IEZ1dHVyZUNsYXNzKGZhbHNlLCBmdW5jdGlvbiBGdXR1cmUkcmFjZSRmb3JrKHJlaiwgcmVzKXtcbiAgICAgIGxldCBzZXR0bGVkID0gZmFsc2UsIGMxID0gbm9vcCwgYzIgPSBub29wO1xuICAgICAgY29uc3Qgb25jZSA9IGYgPT4gYSA9PiBzZXR0bGVkIHx8IChzZXR0bGVkID0gdHJ1ZSwgYzEoKSwgYzIoKSwgZihhKSk7XG4gICAgICBjMSA9IF90aGlzLl9mKG9uY2UocmVqKSwgb25jZShyZXMpKTtcbiAgICAgIGMyID0gbS5fZihvbmNlKHJlaiksIG9uY2UocmVzKSk7XG4gICAgICByZXR1cm4gZnVuY3Rpb24gRnV0dXJlJHJhY2UkY2FuY2VsKCl7IGMxKCk7IGMyKCkgfTtcbiAgICB9KTtcbiAgfVxuXG4gIGZ1bmN0aW9uIEZ1dHVyZSRvcihtKXtcbiAgICBjaGVjayRvcih0aGlzLCBtKTtcbiAgICBjb25zdCBfdGhpcyA9IHRoaXM7XG4gICAgcmV0dXJuIG5ldyBGdXR1cmVDbGFzcyhmYWxzZSwgZnVuY3Rpb24gRnV0dXJlJG9yJGZvcmsocmVqLCByZXMpe1xuICAgICAgbGV0IG9rID0gZmFsc2UsIGtvID0gZmFsc2UsIHZhbCwgZXJyO1xuICAgICAgY29uc3QgYzEgPSBfdGhpcy5fZihcbiAgICAgICAgKCkgPT4ga28gPyByZWooZXJyKSA6IG9rID8gcmVzKHZhbCkgOiAoa28gPSB0cnVlKSxcbiAgICAgICAgeCA9PiAob2sgPSB0cnVlLCByZXMoeCkpXG4gICAgICApO1xuICAgICAgY29uc3QgYzIgPSBtLl9mKFxuICAgICAgICBlID0+IG9rIHx8IChrbyA/IHJlaihlKSA6IChlcnIgPSBlLCBrbyA9IHRydWUpKSxcbiAgICAgICAgeCA9PiBvayB8fCAoa28gPyByZXMoeCkgOiAodmFsID0geCwgb2sgPSB0cnVlKSlcbiAgICAgICk7XG4gICAgICByZXR1cm4gZnVuY3Rpb24gRnV0dXJlJG9yJGNhbmNlbCgpeyBjMSgpOyBjMigpIH07XG4gICAgfSk7XG4gIH1cblxuICBmdW5jdGlvbiBGdXR1cmUkZm9sZChmLCBnKXtcbiAgICBjaGVjayRmb2xkKHRoaXMsIGYsIGcpO1xuICAgIGNvbnN0IF90aGlzID0gdGhpcztcbiAgICByZXR1cm4gbmV3IEZ1dHVyZUNsYXNzKGZhbHNlLCBmdW5jdGlvbiBGdXR1cmUkZm9sZCRmb3JrKHJlaiwgcmVzKXtcbiAgICAgIHJldHVybiBfdGhpcy5fZihlID0+IHJlcyhmKGUpKSwgeCA9PiByZXMoZyh4KSkpO1xuICAgIH0pO1xuICB9XG5cbiAgZnVuY3Rpb24gRnV0dXJlJGhvb2soZGlzcG9zZSwgY29uc3VtZSl7XG4gICAgY2hlY2skaG9vayh0aGlzLCBkaXNwb3NlLCBjb25zdW1lKTtcbiAgICBjb25zdCBfdGhpcyA9IHRoaXM7XG4gICAgcmV0dXJuIG5ldyBGdXR1cmVDbGFzcyhmYWxzZSwgZnVuY3Rpb24gRnV0dXJlJGhvb2skZm9yayhyZWosIHJlcyl7XG4gICAgICBsZXQgY2FuY2VsO1xuICAgICAgY29uc3QgcmV0ID0gX3RoaXMuX2YocmVqLCBmdW5jdGlvbiBGdXR1cmUkaG9vayRyZXMocmVzb3VyY2Upe1xuICAgICAgICBjb25zdCBtID0gY29uc3VtZShyZXNvdXJjZSk7XG4gICAgICAgIGNoZWNrJGhvb2skZyhtLCBjb25zdW1lLCByZXNvdXJjZSk7XG4gICAgICAgIGNhbmNlbCA9IG0uX2YoZSA9PiB7XG4gICAgICAgICAgY29uc3QgYyA9IGRpc3Bvc2UocmVzb3VyY2UpO1xuICAgICAgICAgIGNoZWNrJGhvb2skZihjLCBkaXNwb3NlLCByZXNvdXJjZSk7XG4gICAgICAgICAgYy5fZihyZWosIF8gPT4gcmVqKGUpKTtcbiAgICAgICAgfSwgeCA9PiB7XG4gICAgICAgICAgY29uc3QgYyA9IGRpc3Bvc2UocmVzb3VyY2UpO1xuICAgICAgICAgIGNoZWNrJGhvb2skZihjLCBkaXNwb3NlLCByZXNvdXJjZSk7XG4gICAgICAgICAgYy5fZihyZWosIF8gPT4gcmVzKHgpKTtcbiAgICAgICAgfSk7XG4gICAgICB9KTtcbiAgICAgIGNhbmNlbCA9IGNhbmNlbCB8fCByZXQ7XG4gICAgICByZXR1cm4gZnVuY3Rpb24gRnV0dXJlJGhvb2skY2FuY2VsKCl7IGNhbmNlbCgpIH07XG4gICAgfSk7XG4gIH1cblxuICBmdW5jdGlvbiBGdXR1cmUkZmluYWxseShtKXtcbiAgICBjaGVjayRmaW5hbGx5KHRoaXMsIG0pO1xuICAgIGNvbnN0IF90aGlzID0gdGhpcztcbiAgICByZXR1cm4gbmV3IEZ1dHVyZUNsYXNzKGZhbHNlLCBmdW5jdGlvbiBGdXR1cmUkZmluYWxseSRmb3JrKHJlaiwgcmVzKXtcbiAgICAgIGxldCBjYW5jZWw7XG4gICAgICBjb25zdCByID0gX3RoaXMuX2YoZnVuY3Rpb24gRnV0dXJlJGZpbmFsbHkkcmVqKGUpe1xuICAgICAgICBjYW5jZWwgPSBtLl9mKHJlaiwgZnVuY3Rpb24gRnV0dXJlJGZpbmFsbHkkcmVqJHJlcygpeyByZWooZSkgfSk7XG4gICAgICB9LCBmdW5jdGlvbiBGdXR1cmUkZmluYWxseSRyZXMoeCl7XG4gICAgICAgIGNhbmNlbCA9IG0uX2YocmVqLCBmdW5jdGlvbiBGdXR1cmUkZmluYWxseSRyZXMkcmVzKCl7IHJlcyh4KSB9KTtcbiAgICAgIH0pO1xuICAgICAgcmV0dXJuIGNhbmNlbCA/IGNhbmNlbCA6IChjYW5jZWwgPSByLCBmdW5jdGlvbiBGdXR1cmUkZmluYWxseSRjYW5jZWwoKXsgY2FuY2VsKCkgfSk7XG4gICAgfSk7XG4gIH1cblxuICBmdW5jdGlvbiBGdXR1cmUkdmFsdWUoZil7XG4gICAgY2hlY2skdmFsdWUodGhpcywgZik7XG4gICAgcmV0dXJuIHRoaXMuX2YoXG4gICAgICBmdW5jdGlvbiBGdXR1cmUkdmFsdWUkcmVqKGUpe1xuICAgICAgICB0aHJvdyBuZXcgRXJyb3IoXG4gICAgICAgICAgYEZ1dHVyZSN2YWx1ZSB3YXMgY2FsbGVkIG9uIGEgcmVqZWN0ZWQgRnV0dXJlXFxuICBBY3R1YWw6IEZ1dHVyZS5yZWplY3QoJHtzaG93KGUpfSlgXG4gICAgICAgICk7XG4gICAgICB9LFxuICAgICAgZlxuICAgICk7XG4gIH1cblxuICBmdW5jdGlvbiBGdXR1cmUkcHJvbWlzZSgpe1xuICAgIGNoZWNrJHByb21pc2UodGhpcyk7XG4gICAgY29uc3QgX3RoaXMgPSB0aGlzO1xuICAgIHJldHVybiBuZXcgUHJvbWlzZShmdW5jdGlvbiBGdXR1cmUkcHJvbWlzZSRkbyhyZXNvbHZlLCByZWplY3Qpe1xuICAgICAgX3RoaXMuX2YocmVqZWN0LCByZXNvbHZlKTtcbiAgICB9KTtcbiAgfVxuXG4gIGZ1bmN0aW9uIEZ1dHVyZSRjYWNoZSgpe1xuICAgIGNoZWNrJGNhY2hlKHRoaXMpO1xuICAgIGNvbnN0IF90aGlzID0gdGhpcztcbiAgICBsZXQgcXVlID0gW107XG4gICAgbGV0IHZhbHVlLCBzdGF0ZTtcbiAgICBjb25zdCBzZXR0bGVXaXRoID0gbmV3U3RhdGUgPT4gZnVuY3Rpb24gRnV0dXJlJGNhY2hlJHNldHRsZShuZXdWYWx1ZSl7XG4gICAgICB2YWx1ZSA9IG5ld1ZhbHVlOyBzdGF0ZSA9IG5ld1N0YXRlO1xuICAgICAgZm9yKGxldCBpID0gMCwgbCA9IHF1ZS5sZW5ndGg7IGkgPCBsOyBpKyspe1xuICAgICAgICBxdWVbaV1bc3RhdGVdKHZhbHVlKTtcbiAgICAgICAgcXVlW2ldID0gdW5kZWZpbmVkO1xuICAgICAgfVxuICAgICAgcXVlID0gdW5kZWZpbmVkO1xuICAgIH07XG4gICAgcmV0dXJuIG5ldyBGdXR1cmVDbGFzcyhmYWxzZSwgZnVuY3Rpb24gRnV0dXJlJGNhY2hlJGZvcmsocmVqLCByZXMpe1xuICAgICAgbGV0IGNhbmNlbCA9IG5vb3A7XG4gICAgICBzd2l0Y2goc3RhdGUpe1xuICAgICAgICBjYXNlIDE6IHF1ZS5wdXNoKHsyOiByZWosIDM6IHJlc30pOyBicmVhaztcbiAgICAgICAgY2FzZSAyOiByZWoodmFsdWUpOyBicmVhaztcbiAgICAgICAgY2FzZSAzOiByZXModmFsdWUpOyBicmVhaztcbiAgICAgICAgZGVmYXVsdDpcbiAgICAgICAgICBzdGF0ZSA9IDE7XG4gICAgICAgICAgcXVlLnB1c2goezI6IHJlaiwgMzogcmVzfSk7XG4gICAgICAgICAgY2FuY2VsID0gX3RoaXMuX2Yoc2V0dGxlV2l0aCgyKSwgc2V0dGxlV2l0aCgzKSk7XG4gICAgICB9XG4gICAgICByZXR1cm4gZnVuY3Rpb24gRnV0dXJlJGNhY2hlJGNhbmNlbCgpe1xuICAgICAgICBxdWUgPSBbXTtcbiAgICAgICAgdmFsdWUgPSB1bmRlZmluZWQ7XG4gICAgICAgIHN0YXRlID0gdW5kZWZpbmVkO1xuICAgICAgICBjYW5jZWwoKTtcbiAgICAgIH07XG4gICAgfSk7XG4gIH1cblxuICBGdXR1cmVDbGFzcy5wcm90b3R5cGUgPSBGdXR1cmUucHJvdG90eXBlID0ge1xuICAgICdAQHR5cGUnOiBUWVBFT0ZfRlVUVVJFLFxuICAgIF9mOiBudWxsLFxuICAgIGZvcms6IEZ1dHVyZSRmb3JrLFxuICAgIFtGTC5vZl06IEZ1dHVyZSRvZixcbiAgICBvZjogRnV0dXJlJG9mLFxuICAgIFtGTC5jaGFpblJlY106IEZ1dHVyZSRjaGFpblJlYyxcbiAgICBbRkwuY2hhaW5dOiBGdXR1cmUkY2hhaW4sXG4gICAgY2hhaW46IEZ1dHVyZSRjaGFpbixcbiAgICByZWN1cjogRnV0dXJlJHJlY3VyLFxuICAgIGNoYWluUmVqOiBGdXR1cmUkY2hhaW5SZWosXG4gICAgW0ZMLm1hcF06IEZ1dHVyZSRtYXAsXG4gICAgbWFwOiBGdXR1cmUkbWFwLFxuICAgIG1hcFJlajogRnV0dXJlJG1hcFJlaixcbiAgICBbRkwuYmltYXBdOiBGdXR1cmUkYmltYXAsXG4gICAgYmltYXA6IEZ1dHVyZSRiaW1hcCxcbiAgICBbRkwuYXBdOiBGdXR1cmUkYXAsXG4gICAgYXA6IEZ1dHVyZSRhcCxcbiAgICBzd2FwOiBGdXR1cmUkc3dhcCxcbiAgICB0b1N0cmluZzogRnV0dXJlJHRvU3RyaW5nLFxuICAgIGluc3BlY3Q6IEZ1dHVyZSR0b1N0cmluZyxcbiAgICByYWNlOiBGdXR1cmUkcmFjZSxcbiAgICBvcjogRnV0dXJlJG9yLFxuICAgIGZvbGQ6IEZ1dHVyZSRmb2xkLFxuICAgIGhvb2s6IEZ1dHVyZSRob29rLFxuICAgIGZpbmFsbHk6IEZ1dHVyZSRmaW5hbGx5LFxuICAgIHZhbHVlOiBGdXR1cmUkdmFsdWUsXG4gICAgcHJvbWlzZTogRnV0dXJlJHByb21pc2UsXG4gICAgY2FjaGU6IEZ1dHVyZSRjYWNoZVxuICB9O1xuXG4gIEZ1dHVyZVtGTC5vZl0gPSBGdXR1cmUub2YgPSBGdXR1cmUkb2Y7XG4gIEZ1dHVyZVtGTC5jaGFpblJlY10gPSBGdXR1cmUuY2hhaW5SZWMgPSBGdXR1cmUkY2hhaW5SZWM7XG4gIEZ1dHVyZS5GdXR1cmUgPSBGdXR1cmU7XG5cbiAgRnV0dXJlLnV0aWwgPSB7XG4gICAgTmV4dCxcbiAgICBEb25lLFxuICAgIGlzRm9ya2FibGUsXG4gICAgaXNGdXR1cmUsXG4gICAgaXNGdW5jdGlvbixcbiAgICBpc0JpbmFyeSxcbiAgICBpc1Rlcm5hcnksXG4gICAgaXNQb3NpdGl2ZUludGVnZXIsXG4gICAgaXNPYmplY3QsXG4gICAgaXNJdGVyYXRvcixcbiAgICBpc0l0ZXJhdGlvbixcbiAgICBwcmV2aWV3LFxuICAgIHNob3csXG4gICAgcGFkZixcbiAgICBzaG93ZixcbiAgICBmaWQsXG4gICAgdW5hcnlQYXJ0aWFsLFxuICAgIGJpbmFyeVBhcnRpYWwsXG4gICAgdGVybmFyeVBhcnRpYWxcbiAgfTtcblxuICAvLy8vLy8vLy8vLy8vLy8vL1xuICAvLyBEaXNwYXRjaGVycyAvL1xuICAvLy8vLy8vLy8vLy8vLy8vL1xuXG4gIC8vQ3JlYXRlcyBhIGRpc3BhdGNoZXIgZm9yIGEgbnVsbGFyeSBtZXRob2QuXG4gIGZ1bmN0aW9uIGNyZWF0ZU51bGxhcnlEaXNwYXRjaGVyKG1ldGhvZCl7XG4gICAgcmV0dXJuIGZ1bmN0aW9uIG51bGxhcnlEaXNwYXRjaChtKXtcbiAgICAgIGlmKG0gJiYgdHlwZW9mIG1bbWV0aG9kXSA9PT0gJ2Z1bmN0aW9uJykgcmV0dXJuIG1bbWV0aG9kXSgpO1xuICAgICAgZXJyb3IkaW52YWxpZEFyZ3VtZW50KGBGdXR1cmUuJHttZXRob2R9YCwgMSwgYGhhdmUgYSBcIiR7bWV0aG9kfVwiIG1ldGhvZGAsIG0pO1xuICAgIH07XG4gIH1cblxuICAvL0NyZWF0ZXMgYSBkaXNwYXRjaGVyIGZvciBhIHVuYXJ5IG1ldGhvZC5cbiAgZnVuY3Rpb24gY3JlYXRlVW5hcnlEaXNwYXRjaGVyKG1ldGhvZCl7XG4gICAgcmV0dXJuIGZ1bmN0aW9uIHVuYXJ5RGlzcGF0Y2goYSwgbSl7XG4gICAgICBpZihhcmd1bWVudHMubGVuZ3RoID09PSAxKSByZXR1cm4gdW5hcnlQYXJ0aWFsKHVuYXJ5RGlzcGF0Y2gsIGEpO1xuICAgICAgaWYobSAmJiB0eXBlb2YgbVttZXRob2RdID09PSAnZnVuY3Rpb24nKSByZXR1cm4gbVttZXRob2RdKGEpO1xuICAgICAgZXJyb3IkaW52YWxpZEFyZ3VtZW50KGBGdXR1cmUuJHttZXRob2R9YCwgMSwgYGhhdmUgYSBcIiR7bWV0aG9kfVwiIG1ldGhvZGAsIG0pO1xuICAgIH07XG4gIH1cblxuICAvL0NyZWF0ZXMgYSBkaXNwYXRjaGVyIGZvciBhIGJpbmFyeSBtZXRob2QuXG4gIGZ1bmN0aW9uIGNyZWF0ZUJpbmFyeURpc3BhdGNoZXIobWV0aG9kKXtcbiAgICByZXR1cm4gZnVuY3Rpb24gYmluYXJ5RGlzcGF0Y2goYSwgYiwgbSl7XG4gICAgICBpZihhcmd1bWVudHMubGVuZ3RoID09PSAxKSByZXR1cm4gdW5hcnlQYXJ0aWFsKGJpbmFyeURpc3BhdGNoLCBhKTtcbiAgICAgIGlmKGFyZ3VtZW50cy5sZW5ndGggPT09IDIpIHJldHVybiBiaW5hcnlQYXJ0aWFsKGJpbmFyeURpc3BhdGNoLCBhLCBiKTtcbiAgICAgIGlmKG0gJiYgdHlwZW9mIG1bbWV0aG9kXSA9PT0gJ2Z1bmN0aW9uJykgcmV0dXJuIG1bbWV0aG9kXShhLCBiKTtcbiAgICAgIGVycm9yJGludmFsaWRBcmd1bWVudChgRnV0dXJlLiR7bWV0aG9kfWAsIDIsIGBoYXZlIGEgXCIke21ldGhvZH1cIiBtZXRob2RgLCBtKTtcbiAgICB9O1xuICB9XG5cbiAgLy9DcmVhdGVzIGEgZGlzcGF0Y2hlciBmb3IgYSBiaW5hcnkgbWV0aG9kLCBidXQgdGFrZXMgdGhlIG9iamVjdCBmaXJzdCByYXRoZXIgdGhhbiBsYXN0LlxuICBmdW5jdGlvbiBjcmVhdGVJbnZlcnRlZEJpbmFyeURpc3BhdGNoZXIobWV0aG9kKXtcbiAgICByZXR1cm4gZnVuY3Rpb24gaW52ZXJ0ZWRCaW5hcnlEaXNwYXRjaChtLCBhLCBiKXtcbiAgICAgIGlmKGFyZ3VtZW50cy5sZW5ndGggPT09IDEpIHJldHVybiB1bmFyeVBhcnRpYWwoaW52ZXJ0ZWRCaW5hcnlEaXNwYXRjaCwgbSk7XG4gICAgICBpZihhcmd1bWVudHMubGVuZ3RoID09PSAyKSByZXR1cm4gYmluYXJ5UGFydGlhbChpbnZlcnRlZEJpbmFyeURpc3BhdGNoLCBtLCBhKTtcbiAgICAgIGlmKG0gJiYgdHlwZW9mIG1bbWV0aG9kXSA9PT0gJ2Z1bmN0aW9uJykgcmV0dXJuIG1bbWV0aG9kXShhLCBiKTtcbiAgICAgIGVycm9yJGludmFsaWRBcmd1bWVudChgRnV0dXJlLiR7bWV0aG9kfWAsIDAsIGBoYXZlIGEgXCIke21ldGhvZH1cIiBtZXRob2RgLCBtKTtcbiAgICB9O1xuICB9XG5cbiAgRnV0dXJlLmNoYWluID0gY3JlYXRlVW5hcnlEaXNwYXRjaGVyKEZMLmNoYWluKTtcbiAgRnV0dXJlLnJlY3VyID0gY3JlYXRlVW5hcnlEaXNwYXRjaGVyKCdyZWN1cicpO1xuICBGdXR1cmUuY2hhaW5SZWogPSBjcmVhdGVVbmFyeURpc3BhdGNoZXIoJ2NoYWluUmVqJyk7XG4gIEZ1dHVyZS5tYXAgPSBjcmVhdGVVbmFyeURpc3BhdGNoZXIoRkwubWFwKTtcbiAgRnV0dXJlLm1hcFJlaiA9IGNyZWF0ZVVuYXJ5RGlzcGF0Y2hlcignbWFwUmVqJyk7XG4gIEZ1dHVyZS5iaW1hcCA9IGNyZWF0ZUJpbmFyeURpc3BhdGNoZXIoRkwuYmltYXApO1xuICBGdXR1cmUuYXAgPSBjcmVhdGVVbmFyeURpc3BhdGNoZXIoRkwuYXApO1xuICBGdXR1cmUuc3dhcCA9IGNyZWF0ZU51bGxhcnlEaXNwYXRjaGVyKCdzd2FwJyk7XG4gIEZ1dHVyZS5mb3JrID0gY3JlYXRlQmluYXJ5RGlzcGF0Y2hlcignZm9yaycpO1xuICBGdXR1cmUucmFjZSA9IGNyZWF0ZVVuYXJ5RGlzcGF0Y2hlcigncmFjZScpO1xuICBGdXR1cmUub3IgPSBjcmVhdGVVbmFyeURpc3BhdGNoZXIoJ29yJyk7XG4gIEZ1dHVyZS5mb2xkID0gY3JlYXRlQmluYXJ5RGlzcGF0Y2hlcignZm9sZCcpO1xuICBGdXR1cmUuaG9vayA9IGNyZWF0ZUludmVydGVkQmluYXJ5RGlzcGF0Y2hlcignaG9vaycpO1xuICBGdXR1cmUuZmluYWxseSA9IGNyZWF0ZVVuYXJ5RGlzcGF0Y2hlcignZmluYWxseScpO1xuICBGdXR1cmUudmFsdWUgPSBjcmVhdGVVbmFyeURpc3BhdGNoZXIoJ3ZhbHVlJyk7XG4gIEZ1dHVyZS5wcm9taXNlID0gY3JlYXRlTnVsbGFyeURpc3BhdGNoZXIoJ3Byb21pc2UnKTtcbiAgRnV0dXJlLmNhY2hlID0gY3JlYXRlTnVsbGFyeURpc3BhdGNoZXIoJ2NhY2hlJyk7XG5cbiAgLy8vLy8vLy8vLy8vLy8vLy8vLy8vXG4gIC8vIE90aGVyIGZ1bmN0aW9ucyAvL1xuICAvLy8vLy8vLy8vLy8vLy8vLy8vLy9cblxuICBGdXR1cmUuaXNGdXR1cmUgPSBpc0Z1dHVyZTtcbiAgRnV0dXJlLmlzRm9ya2FibGUgPSBpc0ZvcmthYmxlO1xuXG4gIEZ1dHVyZS5yZWplY3QgPSBmdW5jdGlvbiBGdXR1cmUkcmVqZWN0KHgpe1xuICAgIHJldHVybiBuZXcgRnV0dXJlQ2xhc3MoZmFsc2UsIGZ1bmN0aW9uIEZ1dHVyZSRyZWplY3QkZm9yayhyZWope1xuICAgICAgcmVqKHgpO1xuICAgICAgcmV0dXJuIG5vb3A7XG4gICAgfSk7XG4gIH07XG5cbiAgRnV0dXJlLmFmdGVyID0gZnVuY3Rpb24gRnV0dXJlJGFmdGVyKG4sIHgpe1xuICAgIGlmKGFyZ3VtZW50cy5sZW5ndGggPT09IDEpIHJldHVybiB1bmFyeVBhcnRpYWwoRnV0dXJlLmFmdGVyLCBuKTtcbiAgICBjaGVjayRhZnRlcihuKTtcbiAgICByZXR1cm4gbmV3IEZ1dHVyZUNsYXNzKGZhbHNlLCBmdW5jdGlvbiBGdXR1cmUkYWZ0ZXIkZm9yayhyZWosIHJlcyl7XG4gICAgICBjb25zdCB0ID0gc2V0VGltZW91dChyZXMsIG4sIHgpO1xuICAgICAgcmV0dXJuIGZ1bmN0aW9uIEZ1dHVyZSRhZnRlciRjYW5jZWwoKXsgY2xlYXJUaW1lb3V0KHQpIH07XG4gICAgfSk7XG4gIH07XG5cbiAgRnV0dXJlLmNhc3QgPSBmdW5jdGlvbiBGdXR1cmUkY2FzdChtKXtcbiAgICBjaGVjayRjYXN0KG0pO1xuICAgIHJldHVybiBuZXcgRnV0dXJlQ2xhc3ModHJ1ZSwgZnVuY3Rpb24gRnV0dXJlJGNhc3QkZm9yayhyZWosIHJlcyl7XG4gICAgICBtLmZvcmsocmVqLCByZXMpO1xuICAgIH0pO1xuICB9O1xuXG4gIEZ1dHVyZS5lbmNhc2UgPSBmdW5jdGlvbiBGdXR1cmUkZW5jYXNlKGYsIHgpe1xuICAgIGNoZWNrJGVuY2FzZShmKTtcbiAgICBpZihhcmd1bWVudHMubGVuZ3RoID09PSAxKSByZXR1cm4gdW5hcnlQYXJ0aWFsKEZ1dHVyZS5lbmNhc2UsIGYpO1xuICAgIHJldHVybiBuZXcgRnV0dXJlQ2xhc3MoZmFsc2UsIGZ1bmN0aW9uIEZ1dHVyZSRlbmNhc2UkZm9yayhyZWosIHJlcyl7XG4gICAgICBsZXQgcjtcbiAgICAgIHRyeXsgciA9IGYoeCkgfWNhdGNoKGUpeyByZXR1cm4gdm9pZCByZWooZSkgfVxuICAgICAgcmVzKHIpO1xuICAgICAgcmV0dXJuIG5vb3A7XG4gICAgfSk7XG4gIH07XG5cbiAgRnV0dXJlLmVuY2FzZTIgPSBmdW5jdGlvbiBGdXR1cmUkZW5jYXNlMihmLCB4LCB5KXtcbiAgICBjaGVjayRlbmNhc2UyKGYpO1xuICAgIGlmKGFyZ3VtZW50cy5sZW5ndGggPT09IDEpIHJldHVybiB1bmFyeVBhcnRpYWwoRnV0dXJlLmVuY2FzZTIsIGYpO1xuICAgIGlmKGFyZ3VtZW50cy5sZW5ndGggPT09IDIpIHJldHVybiBiaW5hcnlQYXJ0aWFsKEZ1dHVyZS5lbmNhc2UyLCBmLCB4KTtcbiAgICByZXR1cm4gbmV3IEZ1dHVyZUNsYXNzKGZhbHNlLCBmdW5jdGlvbiBGdXR1cmUkZW5jYXNlMiRmb3JrKHJlaiwgcmVzKXtcbiAgICAgIGxldCByO1xuICAgICAgdHJ5eyByID0gZih4LCB5KSB9Y2F0Y2goZSl7IHJldHVybiB2b2lkIHJlaihlKSB9XG4gICAgICByZXMocik7XG4gICAgICByZXR1cm4gbm9vcDtcbiAgICB9KTtcbiAgfTtcblxuICBGdXR1cmUuZW5jYXNlMyA9IGZ1bmN0aW9uIEZ1dHVyZSRlbmNhc2UzKGYsIHgsIHksIHope1xuICAgIGNoZWNrJGVuY2FzZTMoZik7XG4gICAgaWYoYXJndW1lbnRzLmxlbmd0aCA9PT0gMSkgcmV0dXJuIHVuYXJ5UGFydGlhbChGdXR1cmUuZW5jYXNlMywgZik7XG4gICAgaWYoYXJndW1lbnRzLmxlbmd0aCA9PT0gMikgcmV0dXJuIGJpbmFyeVBhcnRpYWwoRnV0dXJlLmVuY2FzZTMsIGYsIHgpO1xuICAgIGlmKGFyZ3VtZW50cy5sZW5ndGggPT09IDMpIHJldHVybiB0ZXJuYXJ5UGFydGlhbChGdXR1cmUuZW5jYXNlMywgZiwgeCwgeSk7XG4gICAgcmV0dXJuIG5ldyBGdXR1cmVDbGFzcyhmYWxzZSwgZnVuY3Rpb24gRnV0dXJlJGVuY2FzZTMkZm9yayhyZWosIHJlcyl7XG4gICAgICBsZXQgcjtcbiAgICAgIHRyeXsgciA9IGYoeCwgeSwgeikgfWNhdGNoKGUpeyByZXR1cm4gdm9pZCByZWooZSkgfVxuICAgICAgcmVzKHIpO1xuICAgICAgcmV0dXJuIG5vb3A7XG4gICAgfSk7XG4gIH07XG5cbiAgRnV0dXJlLnRyeSA9IGZ1bmN0aW9uIEZ1dHVyZSR0cnkoZil7XG4gICAgcmV0dXJuIEZ1dHVyZS5lbmNhc2UoZiwgdW5kZWZpbmVkKTtcbiAgfTtcblxuICBGdXR1cmUubm9kZSA9IGZ1bmN0aW9uIEZ1dHVyZSRub2RlKGYpe1xuICAgIGNoZWNrJG5vZGUoZik7XG4gICAgcmV0dXJuIG5ldyBGdXR1cmVDbGFzcyh0cnVlLCBmdW5jdGlvbiBGdXR1cmUkbm9kZSRmb3JrKHJlaiwgcmVzKXtcbiAgICAgIGYoZnVuY3Rpb24gRnV0dXJlJG5vZGUkZG9uZShhLCBiKXtcbiAgICAgICAgYSA/IHJlaihhKSA6IHJlcyhiKTtcbiAgICAgIH0pO1xuICAgIH0pO1xuICB9O1xuXG4gIEZ1dHVyZS5wYXJhbGxlbCA9IGZ1bmN0aW9uIEZ1dHVyZSRwYXJhbGxlbChpLCBtcyl7XG4gICAgaWYoYXJndW1lbnRzLmxlbmd0aCA9PT0gMSkgcmV0dXJuIHVuYXJ5UGFydGlhbChGdXR1cmUucGFyYWxsZWwsIGkpO1xuICAgIGNoZWNrJHBhcmFsbGVsKGksIG1zKTtcbiAgICBjb25zdCBsID0gbXMubGVuZ3RoO1xuICAgIHJldHVybiBsIDwgMSA/IEZ1dHVyZSRvZihbXSkgOiBuZXcgRnV0dXJlQ2xhc3MoZmFsc2UsIGZ1bmN0aW9uIEZ1dHVyZSRwYXJhbGxlbCRmb3JrKHJlaiwgcmVzKXtcbiAgICAgIGxldCBrbyA9IGZhbHNlO1xuICAgICAgbGV0IG9rID0gMDtcbiAgICAgIGNvbnN0IGNzID0gW107XG4gICAgICBjb25zdCBvdXQgPSBuZXcgQXJyYXkobCk7XG4gICAgICBjb25zdCBuZXh0ID0gaiA9PiBpIDwgbCA/IGZvcmsobXNbaV0sIGkrKykgOiAoaiA9PT0gbCAmJiByZXMob3V0KSk7XG4gICAgICBjb25zdCBmb3JrID0gKG0sIGopID0+IChjaGVjayRwYXJhbGxlbCRtKG0sIGopLCBjc1tqXSA9IG0uX2YoXG4gICAgICAgIGUgPT4ga28gfHwgKHJlaihlKSwga28gPSB0cnVlKSxcbiAgICAgICAgeCA9PiBrbyB8fCAob3V0W2pdID0geCwgbmV4dCgrK29rKSlcbiAgICAgICkpO1xuICAgICAgbXMuc2xpY2UoMCwgaSkuZm9yRWFjaChmb3JrKTtcbiAgICAgIHJldHVybiBmdW5jdGlvbiBGdXR1cmUkcGFyYWxsZWwkY2FuY2VsKCl7IGNzLmZvckVhY2goY2FsbCkgfTtcbiAgICB9KTtcbiAgfTtcblxuICBGdXR1cmUuZG8gPSBmdW5jdGlvbiBGdXR1cmUkZG8oZil7XG4gICAgY2hlY2skZG8oZik7XG4gICAgcmV0dXJuIG5ldyBGdXR1cmVDbGFzcyhmYWxzZSwgZnVuY3Rpb24gRnV0dXJlJGRvJGZvcmsocmVqLCByZXMpe1xuICAgICAgY29uc3QgZyA9IGYoKTtcbiAgICAgIGNoZWNrJGRvJGcoZyk7XG4gICAgICByZXR1cm4gRnV0dXJlJGNoYWluUmVjKGZ1bmN0aW9uIEZ1dHVyZSRkbyRuZXh0KG5leHQsIF8sIHgpe1xuICAgICAgICBjb25zdCBvID0gZy5uZXh0KHgpO1xuICAgICAgICBjaGVjayRkbyRuZXh0KG8pO1xuICAgICAgICByZXR1cm4gby5kb25lID8gRnV0dXJlJG9mKG8pIDogby52YWx1ZS5tYXAobmV4dCk7XG4gICAgICB9LCB1bmRlZmluZWQpLl9mKHJlaiwgcmVzKTtcbiAgICB9KTtcbiAgfTtcblxuICByZXR1cm4gRnV0dXJlO1xuXG59KSk7XG5cbn0pLmNhbGwodGhpcyx0eXBlb2YgZ2xvYmFsICE9PSBcInVuZGVmaW5lZFwiID8gZ2xvYmFsIDogdHlwZW9mIHNlbGYgIT09IFwidW5kZWZpbmVkXCIgPyBzZWxmIDogdHlwZW9mIHdpbmRvdyAhPT0gXCJ1bmRlZmluZWRcIiA/IHdpbmRvdyA6IHt9KVxuLy8jIHNvdXJjZU1hcHBpbmdVUkw9ZGF0YTphcHBsaWNhdGlvbi9qc29uO2NoYXJzZXQ6dXRmLTg7YmFzZTY0LGV5SjJaWEp6YVc5dUlqb3pMQ0p6YjNWeVkyVnpJanBiSW1ac2RYUjFjbVV1YW5NaVhTd2libUZ0WlhNaU9sdGRMQ0p0WVhCd2FXNW5jeUk2SWp0QlFVRkJPMEZCUTBFN1FVRkRRVHRCUVVOQk8wRkJRMEU3UVVGRFFUdEJRVU5CTzBGQlEwRTdRVUZEUVR0QlFVTkJPMEZCUTBFN1FVRkRRVHRCUVVOQk8wRkJRMEU3UVVGRFFUdEJRVU5CTzBGQlEwRTdRVUZEUVR0QlFVTkJPMEZCUTBFN1FVRkRRVHRCUVVOQk8wRkJRMEU3UVVGRFFUdEJRVU5CTzBGQlEwRTdRVUZEUVR0QlFVTkJPMEZCUTBFN1FVRkRRVHRCUVVOQk8wRkJRMEU3UVVGRFFUdEJRVU5CTzBGQlEwRTdRVUZEUVR0QlFVTkJPMEZCUTBFN1FVRkRRVHRCUVVOQk8wRkJRMEU3UVVGRFFUdEJRVU5CTzBGQlEwRTdRVUZEUVR0QlFVTkJPMEZCUTBFN1FVRkRRVHRCUVVOQk8wRkJRMEU3UVVGRFFUdEJRVU5CTzBGQlEwRTdRVUZEUVR0QlFVTkJPMEZCUTBFN1FVRkRRVHRCUVVOQk8wRkJRMEU3UVVGRFFUdEJRVU5CTzBGQlEwRTdRVUZEUVR0QlFVTkJPMEZCUTBFN1FVRkRRVHRCUVVOQk8wRkJRMEU3UVVGRFFUdEJRVU5CTzBGQlEwRTdRVUZEUVR0QlFVTkJPMEZCUTBFN1FVRkRRVHRCUVVOQk8wRkJRMEU3UVVGRFFUdEJRVU5CTzBGQlEwRTdRVUZEUVR0QlFVTkJPMEZCUTBFN1FVRkRRVHRCUVVOQk8wRkJRMEU3UVVGRFFUdEJRVU5CTzBGQlEwRTdRVUZEUVR0QlFVTkJPMEZCUTBFN1FVRkRRVHRCUVVOQk8wRkJRMEU3UVVGRFFUdEJRVU5CTzBGQlEwRTdRVUZEUVR0QlFVTkJPMEZCUTBFN1FVRkRRVHRCUVVOQk8wRkJRMEU3UVVGRFFUdEJRVU5CTzBGQlEwRTdRVUZEUVR0QlFVTkJPMEZCUTBFN1FVRkRRVHRCUVVOQk8wRkJRMEU3UVVGRFFUdEJRVU5CTzBGQlEwRTdRVUZEUVR0QlFVTkJPMEZCUTBFN1FVRkRRVHRCUVVOQk8wRkJRMEU3UVVGRFFUdEJRVU5CTzBGQlEwRTdRVUZEUVR0QlFVTkJPMEZCUTBFN1FVRkRRVHRCUVVOQk8wRkJRMEU3UVVGRFFUdEJRVU5CTzBGQlEwRTdRVUZEUVR0QlFVTkJPMEZCUTBFN1FVRkRRVHRCUVVOQk8wRkJRMEU3UVVGRFFUdEJRVU5CTzBGQlEwRTdRVUZEUVR0QlFVTkJPMEZCUTBFN1FVRkRRVHRCUVVOQk8wRkJRMEU3UVVGRFFUdEJRVU5CTzBGQlEwRTdRVUZEUVR0QlFVTkJPMEZCUTBFN1FVRkRRVHRCUVVOQk8wRkJRMEU3UVVGRFFUdEJRVU5CTzBGQlEwRTdRVUZEUVR0QlFVTkJPMEZCUTBFN1FVRkRRVHRCUVVOQk8wRkJRMEU3UVVGRFFUdEJRVU5CTzBGQlEwRTdRVUZEUVR0QlFVTkJPMEZCUTBFN1FVRkRRVHRCUVVOQk8wRkJRMEU3UVVGRFFUdEJRVU5CTzBGQlEwRTdRVUZEUVR0QlFVTkJPMEZCUTBFN1FVRkRRVHRCUVVOQk8wRkJRMEU3UVVGRFFUdEJRVU5CTzBGQlEwRTdRVUZEUVR0QlFVTkJPMEZCUTBFN1FVRkRRVHRCUVVOQk8wRkJRMEU3UVVGRFFUdEJRVU5CTzBGQlEwRTdRVUZEUVR0QlFVTkJPMEZCUTBFN1FVRkRRVHRCUVVOQk8wRkJRMEU3UVVGRFFUdEJRVU5CTzBGQlEwRTdRVUZEUVR0QlFVTkJPMEZCUTBFN1FVRkRRVHRCUVVOQk8wRkJRMEU3UVVGRFFUdEJRVU5CTzBGQlEwRTdRVUZEUVR0QlFVTkJPMEZCUTBFN1FVRkRRVHRCUVVOQk8wRkJRMEU3UVVGRFFUdEJRVU5CTzBGQlEwRTdRVUZEUVR0QlFVTkJPMEZCUTBFN1FVRkRRVHRCUVVOQk8wRkJRMEU3UVVGRFFUdEJRVU5CTzBGQlEwRTdRVUZEUVR0QlFVTkJPMEZCUTBFN1FVRkRRVHRCUVVOQk8wRkJRMEU3UVVGRFFUdEJRVU5CTzBGQlEwRTdRVUZEUVR0QlFVTkJPMEZCUTBFN1FVRkRRVHRCUVVOQk8wRkJRMEU3UVVGRFFUdEJRVU5CTzBGQlEwRTdRVUZEUVR0QlFVTkJPMEZCUTBFN1FVRkRRVHRCUVVOQk8wRkJRMEU3UVVGRFFUdEJRVU5CTzBGQlEwRTdRVUZEUVR0QlFVTkJPMEZCUTBFN1FVRkRRVHRCUVVOQk8wRkJRMEU3UVVGRFFUdEJRVU5CTzBGQlEwRTdRVUZEUVR0QlFVTkJPMEZCUTBFN1FVRkRRVHRCUVVOQk8wRkJRMEU3UVVGRFFUdEJRVU5CTzBGQlEwRTdRVUZEUVR0QlFVTkJPMEZCUTBFN1FVRkRRVHRCUVVOQk8wRkJRMEU3UVVGRFFUdEJRVU5CTzBGQlEwRTdRVUZEUVR0QlFVTkJPMEZCUTBFN1FVRkRRVHRCUVVOQk8wRkJRMEU3UVVGRFFUdEJRVU5CTzBGQlEwRTdRVUZEUVR0QlFVTkJPMEZCUTBFN1FVRkRRVHRCUVVOQk8wRkJRMEU3UVVGRFFUdEJRVU5CTzBGQlEwRTdRVUZEUVR0QlFVTkJPMEZCUTBFN1FVRkRRVHRCUVVOQk8wRkJRMEU3UVVGRFFUdEJRVU5CTzBGQlEwRTdRVUZEUVR0QlFVTkJPMEZCUTBFN1FVRkRRVHRCUVVOQk8wRkJRMEU3UVVGRFFUdEJRVU5CTzBGQlEwRTdRVUZEUVR0QlFVTkJPMEZCUTBFN1FVRkRRVHRCUVVOQk8wRkJRMEU3UVVGRFFUdEJRVU5CTzBGQlEwRTdRVUZEUVR0QlFVTkJPMEZCUTBFN1FVRkRRVHRCUVVOQk8wRkJRMEU3UVVGRFFUdEJRVU5CTzBGQlEwRTdRVUZEUVR0QlFVTkJPMEZCUTBFN1FVRkRRVHRCUVVOQk8wRkJRMEU3UVVGRFFUdEJRVU5CTzBGQlEwRTdRVUZEUVR0QlFVTkJPMEZCUTBFN1FVRkRRVHRCUVVOQk8wRkJRMEU3UVVGRFFUdEJRVU5CTzBGQlEwRTdRVUZEUVR0QlFVTkJPMEZCUTBFN1FVRkRRVHRCUVVOQk8wRkJRMEU3UVVGRFFUdEJRVU5CTzBGQlEwRTdRVUZEUVR0QlFVTkJPMEZCUTBFN1FVRkRRVHRCUVVOQk8wRkJRMEU3UVVGRFFUdEJRVU5CTzBGQlEwRTdRVUZEUVR0QlFVTkJPMEZCUTBFN1FVRkRRVHRCUVVOQk8wRkJRMEU3UVVGRFFUdEJRVU5CTzBGQlEwRTdRVUZEUVR0QlFVTkJPMEZCUTBFN1FVRkRRVHRCUVVOQk8wRkJRMEU3UVVGRFFUdEJRVU5CTzBGQlEwRTdRVUZEUVR0QlFVTkJPMEZCUTBFN1FVRkRRVHRCUVVOQk8wRkJRMEU3UVVGRFFUdEJRVU5CTzBGQlEwRTdRVUZEUVR0QlFVTkJPMEZCUTBFN1FVRkRRVHRCUVVOQk8wRkJRMEU3UVVGRFFUdEJRVU5CTzBGQlEwRTdRVUZEUVR0QlFVTkJPMEZCUTBFN1FVRkRRVHRCUVVOQk8wRkJRMEU3UVVGRFFUdEJRVU5CTzBGQlEwRTdRVUZEUVR0QlFVTkJPMEZCUTBFN1FVRkRRVHRCUVVOQk8wRkJRMEU3UVVGRFFUdEJRVU5CTzBGQlEwRTdRVUZEUVR0QlFVTkJPMEZCUTBFN1FVRkRRVHRCUVVOQk8wRkJRMEU3UVVGRFFUdEJRVU5CTzBGQlEwRTdRVUZEUVR0QlFVTkJPMEZCUTBFN1FVRkRRVHRCUVVOQk8wRkJRMEU3UVVGRFFUdEJRVU5CTzBGQlEwRTdRVUZEUVR0QlFVTkJPMEZCUTBFN1FVRkRRVHRCUVVOQk8wRkJRMEU3UVVGRFFUdEJRVU5CTzBGQlEwRTdRVUZEUVR0QlFVTkJPMEZCUTBFN1FVRkRRVHRCUVVOQk8wRkJRMEU3UVVGRFFUdEJRVU5CTzBGQlEwRTdRVUZEUVR0QlFVTkJPMEZCUTBFN1FVRkRRVHRCUVVOQk8wRkJRMEU3UVVGRFFUdEJRVU5CTzBGQlEwRTdRVUZEUVR0QlFVTkJPMEZCUTBFN1FVRkRRVHRCUVVOQk8wRkJRMEU3UVVGRFFUdEJRVU5CTzBGQlEwRTdRVUZEUVR0QlFVTkJPMEZCUTBFN1FVRkRRVHRCUVVOQk8wRkJRMEU3UVVGRFFUdEJRVU5CTzBGQlEwRTdRVUZEUVR0QlFVTkJPMEZCUTBFN1FVRkRRVHRCUVVOQk8wRkJRMEU3UVVGRFFUdEJRVU5CTzBGQlEwRTdRVUZEUVR0QlFVTkJPMEZCUTBFN1FVRkRRVHRCUVVOQk8wRkJRMEU3UVVGRFFUdEJRVU5CTzBGQlEwRTdRVUZEUVR0QlFVTkJPMEZCUTBFN1FVRkRRVHRCUVVOQk8wRkJRMEU3UVVGRFFUdEJRVU5CTzBGQlEwRTdRVUZEUVR0QlFVTkJPMEZCUTBFN1FVRkRRVHRCUVVOQk8wRkJRMEU3UVVGRFFUdEJRVU5CTzBGQlEwRTdRVUZEUVR0QlFVTkJPMEZCUTBFN1FVRkRRVHRCUVVOQk8wRkJRMEU3UVVGRFFUdEJRVU5CTzBGQlEwRTdRVUZEUVR0QlFVTkJPMEZCUTBFN1FVRkRRVHRCUVVOQk8wRkJRMEU3UVVGRFFUdEJRVU5CTzBGQlEwRTdRVUZEUVR0QlFVTkJPMEZCUTBFN1FVRkRRVHRCUVVOQk8wRkJRMEU3UVVGRFFUdEJRVU5CTzBGQlEwRTdRVUZEUVR0QlFVTkJPMEZCUTBFN1FVRkRRVHRCUVVOQk8wRkJRMEU3UVVGRFFUdEJRVU5CTzBGQlEwRTdRVUZEUVR0QlFVTkJPMEZCUTBFN1FVRkRRVHRCUVVOQk8wRkJRMEU3UVVGRFFUdEJRVU5CTzBGQlEwRTdRVUZEUVR0QlFVTkJPMEZCUTBFN1FVRkRRVHRCUVVOQk8wRkJRMEU3UVVGRFFUdEJRVU5CTzBGQlEwRTdRVUZEUVR0QlFVTkJPMEZCUTBFN1FVRkRRVHRCUVVOQk8wRkJRMEU3UVVGRFFUdEJRVU5CTzBGQlEwRTdRVUZEUVR0QlFVTkJPMEZCUTBFN1FVRkRRVHRCUVVOQk8wRkJRMEU3UVVGRFFUdEJRVU5CTzBGQlEwRTdRVUZEUVR0QlFVTkJPMEZCUTBFN1FVRkRRVHRCUVVOQk8wRkJRMEU3UVVGRFFUdEJRVU5CTzBGQlEwRTdRVUZEUVR0QlFVTkJPMEZCUTBFN1FVRkRRVHRCUVVOQk8wRkJRMEU3UVVGRFFUdEJRVU5CTzBGQlEwRTdRVUZEUVR0QlFVTkJPMEZCUTBFN1FVRkRRVHRCUVVOQk8wRkJRMEU3UVVGRFFUdEJRVU5CTzBGQlEwRTdRVUZEUVR0QlFVTkJPMEZCUTBFN1FVRkRRVHRCUVVOQk8wRkJRMEU3UVVGRFFUdEJRVU5CTzBGQlEwRTdRVUZEUVR0QlFVTkJPMEZCUTBFN1FVRkRRVHRCUVVOQk8wRkJRMEU3UVVGRFFUdEJRVU5CTzBGQlEwRTdRVUZEUVR0QlFVTkJPMEZCUTBFN1FVRkRRVHRCUVVOQk8wRkJRMEU3UVVGRFFUdEJRVU5CTzBGQlEwRTdRVUZEUVR0QlFVTkJPMEZCUTBFN1FVRkRRVHRCUVVOQk8wRkJRMEU3UVVGRFFUdEJRVU5CTzBGQlEwRTdRVUZEUVR0QlFVTkJPMEZCUTBFN1FVRkRRVHRCUVVOQk8wRkJRMEU3UVVGRFFUdEJRVU5CTzBGQlEwRTdRVUZEUVR0QlFVTkJPMEZCUTBFN1FVRkRRVHRCUVVOQk8wRkJRMEU3UVVGRFFUdEJRVU5CTzBGQlEwRTdRVUZEUVR0QlFVTkJPMEZCUTBFN1FVRkRRVHRCUVVOQk8wRkJRMEU3UVVGRFFUdEJRVU5CTzBGQlEwRTdRVUZEUVR0QlFVTkJPMEZCUTBFN1FVRkRRVHRCUVVOQk8wRkJRMEU3UVVGRFFUdEJRVU5CTzBGQlEwRTdRVUZEUVR0QlFVTkJPMEZCUTBFN1FVRkRRVHRCUVVOQk8wRkJRMEU3UVVGRFFUdEJRVU5CTzBGQlEwRTdRVUZEUVR0QlFVTkJPMEZCUTBFN1FVRkRRVHRCUVVOQk8wRkJRMEU3UVVGRFFUdEJRVU5CTzBGQlEwRTdRVUZEUVR0QlFVTkJPMEZCUTBFN1FVRkRRVHRCUVVOQk8wRkJRMEU3UVVGRFFUdEJRVU5CTzBGQlEwRTdRVUZEUVR0QlFVTkJPMEZCUTBFN1FVRkRRVHRCUVVOQk8wRkJRMEU3UVVGRFFUdEJRVU5CTzBGQlEwRTdRVUZEUVR0QlFVTkJPMEZCUTBFN1FVRkRRVHRCUVVOQk8wRkJRMEU3UVVGRFFUdEJRVU5CTzBGQlEwRTdRVUZEUVR0QlFVTkJPMEZCUTBFN1FVRkRRVHRCUVVOQk8wRkJRMEU3UVVGRFFUdEJRVU5CTzBGQlEwRTdRVUZEUVR0QlFVTkJPMEZCUTBFN1FVRkRRVHRCUVVOQk8wRkJRMEU3UVVGRFFUdEJRVU5CTzBGQlEwRTdRVUZEUVR0QlFVTkJPMEZCUTBFN1FVRkRRVHRCUVVOQk8wRkJRMEU3UVVGRFFUdEJRVU5CTzBGQlEwRTdRVUZEUVR0QlFVTkJPMEZCUTBFN1FVRkRRVHRCUVVOQk8wRkJRMEU3UVVGRFFUdEJRVU5CTzBGQlEwRTdRVUZEUVR0QlFVTkJPMEZCUTBFN1FVRkRRVHRCUVVOQk8wRkJRMEU3UVVGRFFUdEJRVU5CTzBGQlEwRTdRVUZEUVR0QlFVTkJPMEZCUTBFN1FVRkRRVHRCUVVOQk8wRkJRMEU3UVVGRFFUdEJRVU5CTzBGQlEwRTdRVUZEUVR0QlFVTkJPMEZCUTBFN1FVRkRRVHRCUVVOQk8wRkJRMEU3UVVGRFFUdEJRVU5CTzBGQlEwRTdRVUZEUVR0QlFVTkJPMEZCUTBFN1FVRkRRVHRCUVVOQk8wRkJRMEU3UVVGRFFUdEJRVU5CTzBGQlEwRTdRVUZEUVR0QlFVTkJPMEZCUTBFN1FVRkRRVHRCUVVOQk8wRkJRMEU3UVVGRFFUdEJRVU5CTzBGQlEwRTdRVUZEUVR0QlFVTkJPMEZCUTBFN1FVRkRRVHRCUVVOQk8wRkJRMEU3UVVGRFFUdEJRVU5CTzBGQlEwRTdRVUZEUVR0QlFVTkJPMEZCUTBFN1FVRkRRVHRCUVVOQk8wRkJRMEU3UVVGRFFUdEJRVU5CTzBGQlEwRTdRVUZEUVR0QlFVTkJPMEZCUTBFN1FVRkRRVHRCUVVOQk8wRkJRMEU3UVVGRFFUdEJRVU5CTzBGQlEwRTdRVUZEUVR0QlFVTkJPMEZCUTBFN1FVRkRRVHRCUVVOQk8wRkJRMEU3UVVGRFFUdEJRVU5CTzBGQlEwRTdRVUZEUVR0QlFVTkJPMEZCUTBFN1FVRkRRVHRCUVVOQk8wRkJRMEU3UVVGRFFUdEJRVU5CTzBGQlEwRTdRVUZEUVR0QlFVTkJPMEZCUTBFN1FVRkRRVHRCUVVOQk8wRkJRMEU3UVVGRFFUdEJRVU5CTzBGQlEwRTdRVUZEUVR0QlFVTkJPMEZCUTBFN1FVRkRRVHRCUVVOQk8wRkJRMEU3UVVGRFFUdEJRVU5CTzBGQlEwRTdRVUZEUVR0QlFVTkJPMEZCUTBFN1FVRkRRVHRCUVVOQk8wRkJRMEU3UVVGRFFUdEJRVU5CTzBGQlEwRTdRVUZEUVR0QlFVTkJPMEZCUTBFN1FVRkRRVHRCUVVOQk8wRkJRMEU3UVVGRFFUdEJRVU5CTzBGQlEwRTdRVUZEUVR0QlFVTkJPMEZCUTBFN1FVRkRRVHRCUVVOQk8wRkJRMEU3UVVGRFFUdEJRVU5CTzBGQlEwRTdRVUZEUVR0QlFVTkJPMEZCUTBFN1FVRkRRU0lzSW1acGJHVWlPaUpuWlc1bGNtRjBaV1F
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