[Python-Dev] return from a generator [was:PEP 380 (yield from a subgenerator) comments]

[Jim Jewett]

On Thu, Mar 26, 2009 at 4:19 PM, P.J. Eby wrote:
>> What I don't like is the confusion of adding "return values" to generators,
>> at least using the 'return' statement.

At Fri Mar 27 04:39:48 CET 2009, Guido van Rossum replied:
> I'm +1 on "yield from" and +0 on return values in generators.

>    def g():
>        yield 42
>        return 43

>    for x in g():
>        print x    # probably expected to print 42 and then 43

I still don't see why it needs to be a return statement.  Why not make
the intent of g explicit, by writing either

    def g():
        yield 42
        yield 43

or

    def g():
        yield 42
        raise StopIteration(43)

-jJ