| 1 | var wellKnownSymbol = require('../internals/well-known-symbol');
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| 2 | var Iterators = require('../internals/iterators');
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| 3 |
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| 4 | var ITERATOR = wellKnownSymbol('iterator');
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| 5 | var ArrayPrototype = Array.prototype;
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| 6 |
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| 7 | // check on default Array iterator
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| 8 | module.exports = function (it) {
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| 9 | return it !== undefined && (Iterators.Array === it || ArrayPrototype[ITERATOR] === it);
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| 10 | };
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