There is supposed to be some weak hash map implementation somewhere. However, if you can't find it you can easily create it yourself. However, you will need to use the map in IO so I suggest that you use the hashtables[1] package in combination with the weak pointers mentioned by Erik.
- Alessandro [1]: http://hackage.haskell.org/package/hashtables On 10 aug. 2013, at 21:08, Erik Hesselink <[email protected]> wrote: > I'm not sure, but there are weak pointer [0], though I have never used them. > > Erik > > [0] > http://www.haskell.org/ghc/docs/latest/html/libraries/base/System-Mem-Weak.html > > On Sat, Aug 10, 2013 at 7:13 PM, Aleksey Uymanov <[email protected]> wrote: >> Hello, haskellers. >> >> Is there any package implementing magic hash tables weak in value? I >> mean when the value is garbage collected, then this key+value >> authomatically removes from the hash table. >> >> -- >> Aleksey Uymanov <[email protected]> >> >> _______________________________________________ >> Haskell-Cafe mailing list >> [email protected] >> http://www.haskell.org/mailman/listinfo/haskell-cafe > > _______________________________________________ > Haskell-Cafe mailing list > [email protected] > http://www.haskell.org/mailman/listinfo/haskell-cafe
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