'use strict';
  
  var iteratorSymbol = require('es6-symbol').iterator;
  
  module.exports = function () {
  	var arr = ['foo', 1], iterator, result;
  	if (typeof arr[iteratorSymbol] !== 'function') return false;
  	iterator = arr[iteratorSymbol]();
  	if (!iterator) return false;
  	if (typeof iterator.next !== 'function') return false;
  	result = iterator.next();
  	if (!result) return false;
  	if (result.value !== 'foo') return false;
  	if (result.done !== false) return false;
  	return true;
  };