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ECMAScript spec abstract operations.

There is a newer version: 1.22.3

'use strict';

var IteratorComplete = require('./IteratorComplete');
var IteratorNext = require('./IteratorNext');

// https://262.ecma-international.org/6.0/#sec-iteratorstep

module.exports = function IteratorStep(iterator) {
	var result = IteratorNext(iterator);
	var done = IteratorComplete(result);
	return done === true ? false : result;
};