[Python-Dev] PEP 492: async/await in Python; version 4

Greg Ewing greg.ewing at canterbury.ac.nz
Wed May 6 11:16:37 CEST 2015

Guido van Rossum wrote:
> the bytecode generated for 
> await treats coroutine objects special, just like the bytecode generated 
> for yield-from treats generator objects special. The special behavior 
> they have in common is the presence of send() and throw() methods,

I don't think that's quit accurate. Yield-from treats
any object having send() and throw() methods the same
way it treats a generator -- there's nothing special
about the generator *type*. Presumably 'await' is the


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