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Sat Jan 21 06:55:05 CET 2006 · https://mail.python.org/pipermail/python-dev/2006-January/059972.html

> The discussion about PEP 343 reminds me of the following. Bram Cohen
> pointed out in private email that, before PEP 342, there wasn't a big
> need for a shortcut to pass control to a "sub-generator" because the
> following for-loop works well enough:

>  def main_generator():
>       ...
>       for value in sub_generator():
>           yield value

> but now that yield can return a value, that value might have to be
> passed into sub_generator(), not to mention of exceptions. I'm sure
> there's a way to write that (although I haven't found the time to
> figure it out) but I expect it to be cumbersome and subtle.

It looks to me like continuations are starting to rear their heads...

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[Python-Dev] yield back-and-forth?