[Python-Dev] Re: "groupby" iterator

[Guido van Rossum]

> P.S.  I'm leaning toward Alex's suggested argument order.  Having a
> default identity function is too attractive to pass up.  So the choice
> is between a style like map(None, s) or something closer to
> list.sorted(s, key=).   Though the latter is not consistent with other
> itertools, it wins in the beauty department and its similarity with the
> key= is a accurate, helpful analogy.

Good.  Have you thought about the name yet?  Will it be grouped() or
grouby()?

--Guido van Rossum (home page: http://www.python.org/~guido/)