Le Tue, 8 Oct 2013 22:49:28 +1000, Nick Coghlan <ncogh...@gmail.com> a écrit : > > Well, you could ask the same question about OrderedDict, > > defaultdict or Weak*Dictionary since neither of them use > > composition :-) > > We *did* ask the same question about those (except the Weak* variants, > simply due to age). > > Each time, the point that each new dict variant would be used to > justify yet *more* variants was a cause for concern.
Could you explain? I don't understand. > "Composition doesn't work with some mappings" isn't an adequate > answer to the criticism that a composition based design could work > with more mappings than just the builtin dict. Fair enough. Regards Antoine. _______________________________________________ Python-Dev mailing list Python-Dev@python.org https://mail.python.org/mailman/listinfo/python-dev Unsubscribe: https://mail.python.org/mailman/options/python-dev/archive%40mail-archive.com