On Fri, Feb 24, 2012 at 8:41 AM, Arnaud Delobelle <arno...@gmail.com> wrote: > _sentinel = object() > > def sum(iterable, start=_sentinel): > if start is _sentinel: > > del _sentinel
Somewhat off-topic: Doesn't the if statement there do a lookup for a global, which would mean that 'del _sentinel' will cause it to fail? Or have I missed something here? ChrisA -- http://mail.python.org/mailman/listinfo/python-list
