[Python-Dev] defaultdict proposal round three (original) (raw)
"Martin v. Löwis" martin at v.loewis.de
Tue Feb 21 01:41:50 CET 2006
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Delaney, Timothy (Tim) wrote:
However, because Python uses duck typing, I tend to feel that subclasses in Python should be drop-in replacements. If it's not a drop-in replacement, then it should probably not subclass, but just use duck typing (probably by wrapping).
Inheritance is more about code reuse than about polymorphism.
Regards, Martin
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