[Python-Dev] For Python 3k, drop default/implicit hash, and comparison

Phillip J. Eby pje at telecommunity.com
Sun Nov 6 22:22:31 CET 2005

At 12:58 PM 11/6/2005 -0800, Guido van Rossum wrote:
>The main way this breaks down is when comparing objects of different
>types. While most comparisons typically are defined in terms of
>comparisons on simpler or contained objects, two objects of different
>types that happen to have the same "key" shouldn't necessarily be
>considered equal.

When I use this pattern, I often just include the object's type in the 
key.  (I call it the 'hashcmp' value, but otherwise it's the same pattern.)

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