karmen/node_modules/es5-ext/function/#/not.js

"use strict";

var callable     = require("../../object/valid-callable")
  , defineLength = require("../_define-length")

  , apply = Function.prototype.apply;

module.exports = function () {
	var fn = callable(this);

	return defineLength(function () {
		return !apply.call(fn, this, arguments);
	}, fn.length);
};