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node_modules/es5-ext/array/#/entries/is-implemented.js 469 Bytes
aaac7fed   liuqimichale   add
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  "use strict";
  
  module.exports = function () {
  	var arr = [1, "foo"], iterator, result;
  	if (typeof arr.entries !== "function") return false;
  	iterator = arr.entries();
  	if (!iterator) return false;
  	if (typeof iterator.next !== "function") return false;
  	result = iterator.next();
  	if (!result || !result.value) return false;
  	if (result.value[0] !== 0) return false;
  	if (result.value[1] !== 1) return false;
  	if (result.done !== false) return false;
  	return true;
  };