[Python-Dev] Missing operator.call

[Guido van Rossum]

Why is "call expr" a more enticing syntax than "yield *expr" ?

On Thu, Feb 5, 2009 at 9:31 PM, Greg Ewing <greg.ewing at canterbury.ac.nz> wrote:
> Guido van Rossum wrote:
>
>> What's so special about your proposal that requires a new keyword?
>
> I was thinking about the proposals that are made
> from time to time for things like
>
>  yield *foo
>
> to yield all the items from a sub-generator. I was
> also thinking about what could be done to make
> using generators as coroutines more convenient,
> and I came up with the idea of a new statement
>
>  call expr
>
> which would be equivalent to
>
>  for x in expr:
>    yield x
>
> This happens to be the same as what "yield *"
> would do, so it kind of unifies the two issues.
>
> --
> Greg
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-- 
--Guido van Rossum (home page: http://www.python.org/~guido/)