"use strict";
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module.exports = function () {
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var arr = [1, "foo"], iterator, result;
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if (typeof arr.keys !== "function") return false;
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iterator = arr.keys();
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if (!iterator) return false;
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if (typeof iterator.next !== "function") return false;
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result = iterator.next();
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if (!result) return false;
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if (result.value !== 0) return false;
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if (result.done !== false) return false;
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return true;
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};
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