[Python-3000] PEP: rename it.next() to it.__next__(), add a next() built-in

[Georg Brandl]

Guido van Rossum schrieb:
> Having now read this entire thread I am going to accept Ping's PEP.
> Adding the sentinel argument to the next() builtin was what did it for
> me: it neatly solves the problem if having to catch that StopIteration
> in 99% of the cases.

Attached is a possible implementation for the next() function, regardless
of how the next method is going to be called in the future.

Georg

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