functions, list, default parameters
ldo at geek-central.gen.new_zealand
Wed Nov 3 08:52:16 CET 2010
<5f6eceec-1eef-4db7-82a6-e5f553349229 at k22g2000yqh.googlegroups.com>, Ian
> It seems to me that there is a rather simple case to be made for
> allowing mutable default arguments: instances of user-defined classes
> are fundamentally mutable. Disallowing mutable default arguments
> would mean disallowing instances of user-defined classes entirely.
> That would be excessive and would violate Python's general rule of
> staying out of the programmer's way.
Unless you offered a way for user-defined classes to declare that they were
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