Hi, I think what you are looking for is this: http://wiki.ecmascript.org/doku.php?id=strawman:weak_references
Cheers, Tom On Thu, Dec 10, 2009 at 9:44 AM, Charles Jolley <[email protected]>wrote: > Hi, > > I was wondering if any thought has gone into adding weak references and > destructors to Harmony. > > We are finding that as we build large, long running JS apps, it is very > hard to keep memory under control using the built-in GC since any reference > - even for caching - will prevent the memory from being reclaimed. > > If we had a way to keep weak references for caches, the GC could reclaim a > lot more of our memory automatically. If a destructor were called before an > object was dealloc'ed, we could clean up caches and tear down additional > references, possibly allowing further memory to be reclaimed as well. > > Of course I can implement something like explicit reference counting in > existing ES engines to get around this but then we lose many of the benefits > of automated GC. > > -Charles > > _______________________________________________ > es-discuss mailing list > [email protected] > https://mail.mozilla.org/listinfo/es-discuss >
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