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Tue Mar 21 14:05:41 EDT 2017 · https://mail.python.org/pipermail/python-dev/2017-March/147650.html

On 21 March 2017 at 18:03, Brett Cannon <brett at python.org> wrote:

> I do think it's fine, though, to make it very clear that whether you
> subclass or not makes absolutely no difference to tools validating the type
> soundness of the code.
>

There are two places where PEP draft says:

"Note that there is no conceptual difference between explicit and implicit
subtypes"

and

"The general philosophy is that protocols are mostly like regular ABCs, but
a static type checker will handle them specially."

Do you want to propose alternative wording for these, or would you rather
like an additional statement?

--
Ivan
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Showing content from https://mail.python.org/pipermail/python-dev/2017-March/147650.html below:

[Python-Dev] PEP 544: Protocols