[Python-Dev] Accepting PEP 560 -- Core support for typing module and generic types
Serhiy Storchaka
storchaka at gmail.com
Fri Dec 15 02:46:25 EST 2017
15.12.17 02:25, Yury Selivanov пише:
> My motivation to add the slot wasn't the performance: it's just not
> possible to have a class-level __getitem__ on types defined in C. The
> only way is to define a base class in C and then extend it in
> pure-Python. This isn't too hard usually, though.
What are problems? How this differs from __sizeof__ and __getstate__?
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