Antoine Pitrou added the comment: > I also note that defaultdict is implemented via a special method on > dict itself (__missing__), and if this one was implemented the same > way it would be easy to combine the features.
It's not that simple: to remember the original casing you need either a second container, or to use (original_key, value) tuples as values. Both approaches have non-trivial repercussions on the implementation of many methods. ---------- _______________________________________ Python tracker <rep...@bugs.python.org> <http://bugs.python.org/issue18986> _______________________________________ _______________________________________________ Python-bugs-list mailing list Unsubscribe: https://mail.python.org/mailman/options/python-bugs-list/archive%40mail-archive.com
