On 18 February 2013 13:51, John Reid <johnbaronr...@gmail.com> wrote: > On 18/02/13 12:03, Oscar Benjamin wrote: >> On 18 February 2013 11:47, John Reid <johnbaronr...@gmail.com> wrote: >>> Hi, >>> >>> I was hoping namedtuples could be used as replacements for tuples in all >>> instances. >> namedtuples are not really intended to serves as tuples anywhere. They >> are intended to provide lightweight, immutable, hashable objects with >> *named* (rather than numbered) values. > > If they are not supposed to be tuples then calling them namedtuples and > inheriting from tuple seems a little odd.
You can use namedtuple instances in places that expect tuples. Inheriting from tuples enables them to be all the things I said: lightweight, immutable and hashable. The type object itself has a different interface for the constructor, though. Oscar -- http://mail.python.org/mailman/listinfo/python-list
