On Thu, Nov 27, 2014 at 8:58 AM, Andrea Giammarchi <[email protected]> wrote: > On Thu, Nov 27, 2014 at 2:44 PM, Andreas Rossberg <[email protected]> > wrote: >> Well, there is no functionally correct polyfill for WeakMaps that is >> actually weak, regardless of .clear. > > Please bear with me so I understand your point: if you have `o1` and `o2` > and `o1.link = o2;`, wouldn't `o2` be "free" once `o1` is not referenced > anymore ?
Yes, but consider the other way around: o1 is still referenced, but the WeakMap is not. Under a polyfill, o2 would still be kept alive, even though per spec there's not supposed to be any way to access it. -j _______________________________________________ es-discuss mailing list [email protected] https://mail.mozilla.org/listinfo/es-discuss
