I see no benefit in ireduce(), just more ways to write obfuscated code. Regarding map() and filter(), I don't see what's unclear about PEP 3100:
""" * Make built-ins return an iterator where appropriate (e.g. ``range()``, ``zip()``, ``map()``, ``filter()``, etc.) [zip and range: done] """ --Guido On 6/2/07, Terry Reedy <[EMAIL PROTECTED]> wrote: > > "Georg Brandl" <[EMAIL PROTECTED]> wrote in message > news:[EMAIL PROTECTED] > | How should an "ireduce" work? The result is not a sequence which could be > | returned lazily. > > It would generate the sequence of partial reductions (potentially > indefinately). > list(ireduce(summer, 0, range(5)) = [0, 1, 3, 6, 10] > > This is obviously *not* the same as a reduce() which only returns the final > value without the intermediate values. > > Terry Jan Reedy > > > > > > > > _______________________________________________ > 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/guido%40python.org > -- --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
