I also would like a isStableNameTargetAlive function. Though if you had such a function then you probably _could_ make a deRefStableName function, which, since there isn't one, probably means that such a function would be hard to make.
- Job On Sun, Aug 30, 2009 at 4:54 PM, Peter Verswyvelen <bugf...@gmail.com>wrote: > >From the documentation, I don't think I grasp how stable names work. > From the docs: > "There is no deRefStableName operation. You can't get back from a stable > name to the original Haskell object. The reason for this is that the > existence of a stable name for an object does not guarantee the existence of > the object itself; it can still be garbage collected." > > From this I can conclude that stable names behave a bit like weak pointers. > > However, suppose I have a hash table of these stable names. How can I > remove the redundant stable names from the table? I mean removing stable > names that refer to an object that is garbage collected? I don't see any > function for checking that (e.g. isStableNameTargetAlive or something) > > Thanks, > Peter > > > > > > _______________________________________________ > Haskell-Cafe mailing list > Haskell-Cafe@haskell.org > http://www.haskell.org/mailman/listinfo/haskell-cafe > >
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