[Python-Dev] Proposal: defaultdict
"Martin v. Löwis"
martin at v.loewis.de
Sat Feb 18 00:07:48 CET 2006
Adam Olsen wrote:
> You could pass a float in as well. But if the function is documented
> as taking a dict, and the programmer expects a dict.. that now has to
> be changed to "dict without a default". Or they have to code
> defensively since d[key] may or may not raise KeyError, so they must
> avoid depending on it either way.
Can you give an example of real, existing code that will break
if a such a dict is passed?
Regards,
Martin
More information about the Python-Dev
mailing list