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); | |
}; |