[Python-Dev] PEP 3152 and yield from Future() (original) (raw)
Greg Ewing greg.ewing at canterbury.ac.nz
Fri Apr 24 02:49:05 CEST 2015
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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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