[issue24400] Awaitable ABC incompatible with functools.singledispatch

[Yury Selivanov]

Yury Selivanov added the comment:

Actually, I'm not sure that we should use 'cr_*' prefix instead of 'gi_*' for coroutines.

Coroutines reusing generators machinery is a two-fold thing: on the one hand it makes the implementation simpler; on the other -- __await__ must return an *iterator*.  If you want to push values into __await__, it must return a *generator*.  Essentially, as Guido said in one of his emails, we should see PEP 492 as a refinement of 'yield from' and existing generator-based coroutines.  I love the idea of separating types for coroutines and generators, but I'm not so sure about 'cr_*' prefix.

Nick, Guido, what do you think about this?

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<http://bugs.python.org/issue24400>
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