[Python-Dev] Proposal: defaultdict (original) (raw)

Georg Brandl g.brandl at gmx.net
Fri Feb 17 16:29:59 CET 2006

skip at pobox.com wrote:

Guido> Over lunch with Alex Martelli, he proposed that a subclass of Guido> dict with this behavior (but implemented in C) would be a good Guido> addition to the language.

Instead, why not define setdefault() the way it should have been done in the first place? When you create a dict it has the current behavior. If you then call its setdefault() method that becomes the default value for missing keys.

That puts it off until 3.0.

From what I read I think defaultdict won't become builtin anyway.

Georg

More information about the Python-Dev mailing list