Le 23/03/2014 19:24, Brendan Eich a écrit :
Marcus Stade wrote:
This is assuming that the `current` or `prev` property is indeed
implemented by the engine and not user land, as that indeed both
carries implementation cost and the risk out running out of sync. Is
there any way other than generator functions to implement iterators?
Are any ol' object with a function called `next` an iterator?
Any old object. It's a structural or "duck-typed" protocol.
Longer form at :
https://developer.mozilla.org/en-US/docs/Web/JavaScript/Guide/The_Iterator_protocol
(reviews welcome)
David
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