[Python-Dev] == on object tests identity in 3.x

Ethan Furman ethan at stoneleaf.us
Mon Jul 7 17:55:08 CEST 2014

On 07/07/2014 04:22 AM, Andreas Maier wrote:
> Where is the discrepancy between the documentation of == and its default implementation on object documented?

There's seems to be no discrepancy (at least, you have not shown it), but to answer the question about why the default 
equals operation is an identity test:

   - all objects should be equal to themselves (there is only one that isn't, and it's weird)

   - equality tests should not, as a general rule, raise exceptions -- they should return True or False


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