[Python-Dev] Please reconsider PEP 479.

[Ethan Furman]

On 11/26/2014 03:24 AM, Nick Coghlan wrote:
> 
> After thinking about that concern for a while, I'd like to suggest the
> idea of having a new builtin "allow_implicit_stop" decorator that
> swaps out a GENERATOR code object that has the new "EXPLICIT_STOP"
> flag set for one with it cleared (attempting to apply
> "allow_implicit_stop" to a normal function would be an error).

This solution is incomplete -- it's saying that if there is one guarded location, all locations must be guarded, and
that is not the case; any other call outside the try/except block has the potential to raise StopIteration.

--
~Ethan~

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