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

[Greg Ewing]

Barry Warsaw wrote:

> OTOH, making iterators callable as equivalent to .next() as I think  
> Raymond suggested sounds about perfect.  You get __next__(), plus  
> explicit iteration with no additional built in necessary.

But that would raise the question of why __next__
wasn't called __call__ instead.

Also I'm not sure I like this idea. It smells like
an abuse of the notion of calling to me. One doesn't
normally expect that calling a callable object has
a side effect on the callable itself.

--
Greg