[Python-Dev] eq vs hash (original) (raw)
Paul Moore p.f.moore at gmail.com
Fri Apr 4 18:30:57 CEST 2008
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On 04/04/2008, Guido van Rossum <guido at python.org> wrote:
> It doesn't use hash at all. It uses eq in two files, three total uses: > http://hg.intevation.org/mercurial/crew/file/6c4e12682fb9/mercurial/commands.py > http://hg.intevation.org/mercurial/crew/file/6c4e12682fb9/mercurial/context.py
If it breaks, perhaps the instances of one of those classes that define eq but not hash are used in a set or as dict keys? That's the difference between 2.5 and 2.6 in this area.
That looks like it. I'll work up a patch and submit it to the Mercurial developers.
Paul.
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