[Python-Dev] Why should the default hash(x) == id(x)?

Samuele Pedroni pedronis at strakt.com
Sun Nov 6 01:29:18 CET 2005

Noam Raphael wrote:
> On 11/5/05, "Martin v. Löwis" <martin at v.loewis.de> wrote:
>>More generally, I claim that the current behaviour is better than
>>*any* alternative. To refute this claim, you would have to come
>>up with an alternative first.
> The alternative is to drop the __hash__ method of user-defined classes
> (as Guido already decided to do), and to make the default __eq__
> method compare the two objects' __dict__ and slot members.

no, whether object has an __hash__ and what is the default hashing
are different issues. Also all this discussion should have started and
lived on comp.lang.python and this is a good point as any to rectify this.

> See the thread about default equality operator - Josiah Carlson posted
> there a metaclass implementing this equality operator.
> Noam
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