[Python-Dev] Retrieve an arbitrary element from a setwithoutremoving it

[Alexander Belopolsky]

On Thu, Nov 5, 2009 at 3:43 PM, Chris Bergstresser <chris at subtlety.com> wrote:
> .. and "x = iter(s).next()" raises a StopIteration
> exception.

And that's why the documented recipe should probably recommend
next(iter(s), default) instead.  Especially because iter(s).next() is
not even valid code in 3.0.