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

[Phillip J. Eby]

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.)