[Python-Dev] Python semantic: Is it ok to replace not x == y with x != y? (no)

Nick Coghlan ncoghlan at gmail.com
Wed Dec 16 01:01:14 EST 2015


On 15 December 2015 at 23:11, Victor Stinner <victor.stinner at gmail.com> wrote:
> I guess that the optimizations on "in" and "is" operators are fine,
> but optimizations on all other operations must be removed to not break
> the Python semantic.

Right, this is why we have functools.total_ordering as a class
decorator to "fill in" the other comparison implementations based on
the ones in the class body.

Cheers,
Nick.

-- 
Nick Coghlan   |   ncoghlan at gmail.com   |   Brisbane, Australia


More information about the Python-Dev mailing list