On 11/25/14, Guido van Rossum wrote: > On Tue, Nov 25, 2014 at 9:49 AM, Chris Angelico <[email protected] > <[email protected]')" target="1">[email protected]> wrote: > > > On Wed, Nov 26, 2014 at 4:45 AM, Isaac Schwabacher > > <python.org/~guido(javascript:main.compose('new', > > '[email protected]>> wrote: > > > Yield can also raise StopIteration, if its thrown in. The current > > > interaction of generator.throw(StopIteration) with yield from cant be > > > emulated under the PEPs behavior, though its not clear that thats a > > > problem. > > > > Hrm. I have *absolutely* no idea when you would use that,
To close the innermost generator in a yield-from chain. No, I don't know why you'd want to do that, either. > > and how > > you'd go about reworking it to fit this proposal. Do you have any > > example code (production or synthetic) which throws StopIteration into > > a generator? No. > Sounds like a good one for the obfuscated Python contest. :-) I'm just playing with my food now. :) > Unless the generator has a try/except surrounding the yield point into which > the exception is thrown, it will bubble right out, and PEP 479 will turn this > into a RuntimeError. I'll clarify this in the PEP (even though it logically > follows from the proposal) -- I don't think there's anything to worry about. > > > > -- > --Guido van Rossum (<a href=)) _______________________________________________ Python-Dev mailing list [email protected] https://mail.python.org/mailman/listinfo/python-dev Unsubscribe: https://mail.python.org/mailman/options/python-dev/archive%40mail-archive.com
