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

[Greg Ewing]

Josiah Carlson wrote:
> I have written methods named 'next' which have *nothing* to do
> with the iterator protocol.

That would be another reason for renaming .next() to
.__next__() -- to avoid intruding on the user's
namespace.

--
Greg