[Python-Dev] Proposal: defaultdict

Ilya Sandler ilya at bluefir.net
Sat Feb 18 08:03:42 CET 2006

On Fri, 17 Feb 2006, Phillip J. Eby wrote:

> >   d = {}   # or dict()
> >   d.default_factory = list
> Why not a classmethod constructor:
>   d = dict.with_factory(list)
>  But I'd rather set the default and create the
> dictionary in one operation, since when reading it as two, you first think
> 'd is a dictionary', and then 'oh, but it has a default factory', as
> opposed to "d is a dict with a factory" in one thought.

Also, class method would mean less typing (esp if dictionary name
happens to be longer than a couple of characters ;-)

But I'd like to suggest a different  name:

d = dict.with_default( list)


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