Le Tue, 8 Oct 2013 08:21:43 +0200, Antoine Pitrou <solip...@pitrou.net> a écrit : > > > I think there *is* a potentially worthwhile generalisation here, > > but I'm far from sure "is-a-dict" is the right data model - for > > composability reasons, it feels like a "has-a" relationship with an > > underlying data store may make more sense. > > It doesn't work. Your "underlying mapping" can show too much variation > for the wrapper/proxy to have sane semantics. For example, how do you > combine with a defaultdict or a WeakKeyDictionary, knowing that the > wrapper/proxy has to have its own internal mapping as well?
(for the record, I'm saying that because I did try the composition route.) 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
