default behavior

Ethan Furman ethan at
Wed Aug 4 03:09:32 CEST 2010

Christian Heimes wrote:
>> Perhaps punctuation will help clarify my intent:
>> __missing__ is *not* part of (dict)s, as shown by dir(dict()):
> Indeed, that's correct. Can we agree, that __missing__ is an optional
> feature of the dict interface, that can be implemented in subclasses of
> dict?



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