| var wellKnownSymbol = require('../internals/well-known-symbol'); | |
| var Iterators = require('../internals/iterators'); | |
| var ITERATOR = wellKnownSymbol('iterator'); | |
| var ArrayPrototype = Array.prototype; | |
| // check on default Array iterator | |
| module.exports = function (it) { | |
| return it !== undefined && (Iterators.Array === it || ArrayPrototype[ITERATOR] === it); | |
| }; |