javascript_curry_example.js

// Some doc
// Walkthrough https://medium.com/the-javascript-collection/ce6da2d324fe
// 'arguments' native variable: https://developer.mozilla.org/en-US/docs/Web/JavaScript/Reference/Functions_and_function_scope/arguments

var curry = function(fn){
  var args = Array.prototype.slice.call(arguments, 1);
  return function(){
    return fn.apply(this, args.concat(
      Array.prototype.slice.call(arguments, 0)));
  };
};

// Create test function
var sequence = function(start, end){
  var result = [];
  for(var i = start; i <= end; i++){
    result.push(i);
  }
  return result;
};

var seq = curry(sequence, 1);
seq(5); // [1,2,3,4,5];