panuhorsmalahti

var _ = require("lodash");
var performRoles = require("./performRoles.js");

performRoles({ foo: 1 });

panuhorsmalahti

Array.prototype.squeeze = function (n, fn) {
  const from = Object(this).slice();
  const to = [];

  while (n > 0 && from.length)
    to.push(fn.apply(undefined, from.splice(0, n)));

  return to;
}

panuhorsmalahti

// JavaScript signed zero example.
// Note that +0 equals -0 in JavaScript.

var getPlusZero = () => +0;
var getNegativeZero = () => -0;
var isPlusZero = x => Math.atan2(0,  x) === 0;
var isNegativeZero = x => Math.atan2(0,  x) !== 0;

console.log(isPlusZero(getPlusZero()));
console.log(isPlusZero(getNegativeZero()));