On Fri, Aug 29, 2008 at 6:15 PM, Nick Coghlan <[EMAIL PROTECTED]> wrote: > The mixin methods in the ABC machinery would be a lot less useful > without multiple inheritance (and the collections ABCs would be a whole > lot harder to define and to write). > > So if you're looking for use cases for multiple inheritance, I'd suggest > starting with the Python 2.6 collections module and seeing how you would > go about rewriting it using only single inheritance. I believe the new > io module is also fairly dependent on multiple inheritance.
I am very well aware of the collection module and the ABC mechanism. However, you are missing that mixins can be implemented in a single-inheritance world without the complications of the MRO. See my answer to Alex Martelli in this same thread. _______________________________________________ Python-Dev mailing list Python-Dev@python.org http://mail.python.org/mailman/listinfo/python-dev Unsubscribe: http://mail.python.org/mailman/options/python-dev/archive%40mail-archive.com