On Tue, Nov 25, 2014 at 9:49 AM, Chris Angelico <ros...@gmail.com> wrote:
> On Wed, Nov 26, 2014 at 4:45 AM, Isaac Schwabacher > <ischwabac...@wisc.edu> wrote: > > Yield can also raise StopIteration, if it's thrown in. The current > interaction of generator.throw(StopIteration) with yield from can't be > emulated under the PEP's behavior, though it's not clear that that's a > problem. > > > > Hrm. I have *absolutely* no idea when you would use that, 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? > Sounds like a good one for the obfuscated Python contest. :-) 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 (python.org/~guido)
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