On Tue, 22 Nov 2005, Carsten Haese wrote: > On Tue, 2005-11-22 at 14:37, Christoph Zwerschke wrote: > >> In Foord/Larosa's odict, the keys are exposed as a public member which >> also seems to be a bad idea ("If you alter the sequence list so that it >> no longer reflects the contents of the dictionary, you have broken your >> OrderedDict"). > > That could easily be fixed by making the sequence a "managed property" > whose setter raises a ValueError if you try to set it to something > that's not a permutation of what it was.
I'm not a managed property expert (although there's a lovely studio in Bayswater you might be interested in), but how does this stop you doing: my_odict.sequence[0] = Shrubbery() Which would break the odict good and hard. tom -- When I see a man on a bicycle I have hope for the human race. -- H. G. Wells -- http://mail.python.org/mailman/listinfo/python-list