furf

/**
 * Introducing fu: furf's functional funpack.
 * "Putting the F-U back in JS!"
 * 
 * fu.Array.map([1, 2, 3], a => a * 2) => [2, 4, 6]
 * fu.String.repeat('fu  ', 3) => "fu fu fu"
 */
this.fu = (function() {

  const call = Function.prototype.call;