Hello, On Thu, 23 Apr 2015 20:39:51 +1200 Greg Ewing <greg.ewing at canterbury.ac.nz> wrote: > Paul Sokolovsky wrote: > > And having both asymmetric and symmetric > > would quite confusing, especially that symmetric are more powerful > > and asymmetric can be easily implemented in terms of symmetric using > > continuation-passing style. > > You can also use a trampoline of some kind to > relay values back and forth between generators, > to get something symmetric. Yes, that's of course how coroutine frameworks were done long before "yield from" appeared and how Trollius works now. But this just proves point given to the original subtopic starter - that Python already has powerful enough machinery to achieve functionality needed for "yield to asyncio main loop", and adding something specifically for that will only make situation more complicated (because what is asyncio main loop? Just a random user-level function/coroutine, if you need to support yielding "directly" to it, you need to supporting yielding directly to an arbitrary coroutine). > > -- > Greg -- Best regards, Paul mailto:pmiscml at gmail.com
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