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JavaScript's functional programming helper library.

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define(['./isObject', './_setup'], function (isObject, _setup) {

  // Create a naked function reference for surrogate-prototype-swapping.
  function ctor() {
    return function(){};
  }

  // An internal function for creating a new object that inherits from another.
  function baseCreate(prototype) {
    if (!isObject(prototype)) return {};
    if (_setup.nativeCreate) return _setup.nativeCreate(prototype);
    var Ctor = ctor();
    Ctor.prototype = prototype;
    var result = new Ctor;
    Ctor.prototype = null;
    return result;
  }

  return baseCreate;

});