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Fri Apr 24 02:49:05 CEST 2015 · https://mail.python.org/pipermail/python-dev/2015-April/139480.html

Victor Stinner wrote:

> You didn't answer to my question. My question is: is it possible to
> implement Future.__cocall__() since yield is defined in cofunctions.
> If it's possible, can you please show how? (Show me the code!)

The implementation of a __cocall__ method is *not* a
cofunction, it's an *ordinary* function that returns
an iterator. In the case of Future, what it needs to
do is identical to Future.__iter__. So the code can
be just

     def __cocall__(self):
         return iter(self)

or equivalent.

-- 
Greg

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Showing content from https://mail.python.org/pipermail/python-dev/2015-April/139480.html below:

[Python-Dev] PEP 3152 and yield from Future()