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

[Barry Warsaw]

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On Mar 5, 2007, at 5:45 PM, Greg Ewing wrote:

> Ka-Ping Yee wrote:
>
>>     Just like getattr, two-argument next(iter, sentinel)
>>     returns sentinel if StopException is caught.
>
> +1. I've written a number of pieces of code where this
> would have made things neater. Just about any place
> where I've used .next() explicitly, in fact -- it
> always seems awkward having to deal with StopIteration.

I agree.  Seems like enough of a use case to me to justify built-in  
fancy schmancy next() and moving .next() to .__next__().

- -Barry

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