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[Python-Dev] Adding Type[C] to PEP 484

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On 15.05.2016 19:30, Guido van Rossum wrote:
> Right. I still have no good intuition for what Type[BasicUser, 
> ProUser] would mean so I think you should be required to use the 
> Union, which is clear. Type[] should only allow one parameter.

Type[A, B] reminds me of isinstance(obj, (A, B)).


Sven

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