On Fri, Nov 2, 2012 at 5:26 PM, Allen Wirfs-Brock <al...@wirfs-brock.com>wrote:
>
> Also any reason contains should be provided for WeakMap? I not seeing why
> it shouldn't be there too.
>
Yes!
The set of values actually contained by the WeakMap at any moment is
non-deterministic, depending on the scheduling of gc. But this
non-determinism is non-observable. WeakMap.contains would make it
observable.
--
Cheers,
--MarkM
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