[Python-ideas] More general "for" loop handling

[Andrew Barnert]

On Apr 30, 2015, at 10:54, Paul Moore <p.f.moore at gmail.com> wrote:
> 
>> On 30 April 2015 at 18:31, Guido van Rossum <guido at python.org> wrote:
>> PEP 492 is only meant to make code easier to read and write that's already
>> written to use coroutines (e.g. using the asyncio library, but not limited
>> to that).
> 
> OK, that's fair. To an outsider like me it feels like a lot of new
> syntax to support a very specific use case. But that's because I don't
> really have a feel for what you mean when you note "but not limited to
> that". Are there any good examples or use cases for coroutines that
> are *not* asyncio-based?

IIRC, the original asyncio PEP has links to Greg Ewing's posts that demonstrated how you could use yield from coroutines for various purposes, including asynchronous I/O, but also things like many-actor simulations, with pretty detailed examples.

> And assuming you are saying that PEP 482
> should help for those as well, could it include a non-asyncio example?
> My immediate reaction is that the keywords "async" and "await" will
> seem a little odd in a non-asyncio context.
> 
> Paul
> 
> Paul
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