blob: 98d0c8436a8d46e5589dfc8978b924813b6eff3e [file] [log] [blame]
'use strict';
var create = Object.create, getPrototypeOf = Object.getPrototypeOf
, x = {};
module.exports = function (/*customCreate*/) {
var setPrototypeOf = Object.setPrototypeOf
, customCreate = arguments[0] || create;
if (typeof setPrototypeOf !== 'function') return false;
return getPrototypeOf(setPrototypeOf(customCreate(null), x)) === x;
};