HashedCollection showstopper :(

> On Wed, 22 Sep 2010, Igor Stasenko wrote:
>
>> Unfortunately, when preparing new finalization stuff, i got stuck with
>> HashedCollection
>> which is not yet integrated to Pharo.
>> (Sets with nils also depending on that).
>>
>> In Squeak, old WeakRegistry does the trick by setting a #finalizer: to
>> WeakKeyDictionary instance.
>>
>> Levente, can i ask you to give me a bits, (changesets or mcz packages),
>> which contain HashedCollection refactorings.
>
> I could extract them from the Squeak trunk, but it wouldn't be usable for
> Pharo, because these rely on previous changes done to Sets/Dictionaries in
> Squeak. Even if those are extracted it's still very hard to add them to
> Pharo, because there were serveral changes applied to Sets/Dictionaries in
> Pharo. The most important are:
> - Andrés' changes were integrated with additional stuff to change
> #identityHash -> #basicIdentityHash and #scaledIdentityHash ->
> #identityHash. - WeakKeyDictionaries were replaced with another
> implementation (http://code.google.com/p/pharo/issues/detail?id=1565 )
>
>

> Levente
>
>>
>> Or, we can follow an easier path, just extract the delta from two
>> packages,
>> which i found in mail archives:
>> ---
>> I uploaded two packages which contain this change. To load it evaluate
>> the following:
>>
>> (Installer squeakfoundation project: 'inbox')
>>      install: 'Collections-ul.310.mcz';
>>      install: 'Collections-ul.311.mcz'
>> ---
>>
>> these are only related to WeakKeyDictionary, made by Levente to
>> speedup old finalization.
>>
>> --
>> Best regards,
>> Igor Stasenko AKA sig.
>>
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>
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