[Python-Dev] Is static typing still optional?

[Guido van Rossum]

I don't think we're going to reach full agreement here, so I'm going to put
my weight behind Eric's rules.

I think the benefit of the complicated rules is that they almost always do
what you want, so you almost never have to think about it. If it doesn't do
what you want, setting hash=False or hash=True is much quicker than trying
to understand the rules. But the rules *are* deterministic and reasonable.

-- 
--Guido van Rossum (python.org/~guido)
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