[Python-Dev] PEP 340 -- concept clarification

[Raymond Hettinger]

> it's not infeasible to add a close() method to
> generators as a shortcut for this:
> 
>     def close(self):
>         try:
>             self.__exit__(StopIteration)
>         except StopIteration:
>             break
>         else:
>             # __exit__() didn't
>             raise RuntimeError("or some other exception")
> 
> I'd like the block statement to be defined exclusively in terms of
> __exit__() though.

That sounds like a winner.



Raymond