Having now read this entire thread I am going to accept Ping's PEP. Adding the sentinel argument to the next() builtin was what did it for me: it neatly solves the problem if having to catch that StopIteration in 99% of the cases.
Thanks all for the discussion! --Guido On 3/6/07, Guido van Rossum <[EMAIL PROTECTED]> wrote: > On 3/5/07, Greg Ewing <[EMAIL PROTECTED]> wrote: > > Ka-Ping Yee wrote: > > > > > Just like getattr, two-argument next(iter, sentinel) > > > returns sentinel if StopException is caught. > > > > +1. I've written a number of pieces of code where this > > would have made things neater. Just about any place > > where I've used .next() explicitly, in fact -- it > > always seems awkward having to deal with StopIteration. > > Ditto. > > Also notice the (in some sense ironic) complementary symmetry with > iter(function, sentinel). > > -- > --Guido van Rossum (home page: http://www.python.org/~guido/) > -- --Guido van Rossum (home page: http://www.python.org/~guido/) _______________________________________________ Python-3000 mailing list Python-3000@python.org http://mail.python.org/mailman/listinfo/python-3000 Unsubscribe: http://mail.python.org/mailman/options/python-3000/archive%40mail-archive.com
