[issue29471] AST: add an attribute to FunctionDef to distinguish functions from generators and coroutines

[Vedran Čačić]

Vedran Čačić added the comment:

I remember the message from Guido, long time ago when the syntax of generators was discussed. He said he has a hunch that new keyword will not be necessary, that the presence of yield will be enough. It'd be interesting to see if he has changed his mind, or he has some other excuse about async being fundamentally different. :-)

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nosy: +veky

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<http://bugs.python.org/issue29471>
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