On Fri, Dec 21, 2012 at 2:26 PM, Jonathan Slenders <[email protected]> wrote:
> As far as I understand, "yield from" will always work, because a Future
> object can act like an iterator, and you can delegate your own generator to
> this iterator at the place of "yield from".
> "yield" only works if the parameter behind yield is already a Future object.
> Right Guido?
Correct! Sounds like you got it now.
That's the magic of yield from..
> In case of sleep, sleep could be implemented to return a Future object.
It does; in tulip/futures.py:
def sleep(when, result=None):
future = Future()
future._event_loop.call_later(when, future.set_result, result)
return future
--
--Guido van Rossum (python.org/~guido)
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