[squeak-dev] Hash changes

David T. Lewis lewis at mail.msen.com
Mon Nov 30 22:02:05 UTC 2009


I think that this is important work. Most of the background discussion
took place on the Pharo list, so some may not have seen it. I personally
am not qualified to do anything with this, but hopefully others can
take a look at it and incorporate it in trunk if appropriate.

Dave

On Mon, Nov 30, 2009 at 06:26:21AM +0100, Levente Uzonyi wrote:
> Hi,
> 
> I uploaded the second part of Andr?s' hash changes to the inbox. Every 
> package requires a new mcm. The load order is:
> 
> Collections-ul.217 "Initialization"
> Kernel-ul.308 "Object >> #hash"
> Kernel-ul.309
> Kernel-ul.310
> Collections-ul.218 "IdentityDictionary"
> Collections-ul.219
> Collections-ul.220 "KeyedIdentitySet"
> Collections-ul.221
> Collections-ul.222 "WeakIdentityKeyDictionary"
> Collections-ul.223
> Collections-ul.224 "IdentitySet"
> Collections-ul.225
> System-ul.185 "SystemDictionary"
> System-ul.186
> System-ul.187
> Collections-ul.226 "Cleanup"
> Collections-ul.227
> 
> These packages modify the following:
> - Object >> #hash returns an integer between 0 and 1073479680 instead of
>   0 and 4096, though the range is not continuous
> - identity-based collections use the same range extension method as
>   Object >> #hash
> - SystemDictionary uses #hash instead of #identityHash
> - all preambles and postscripts are removed from Collections, Kernel and
>   System packages
> 
> Cheers,
> Levente
> 




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