Nick Coghlan wrote: > One specific example I can think of is that object.__hash__ is special > cased in a few places due to the way its definition interacts with the > definition of comparison operations. Allowing changes to the contents of > object's tp_hash slot could lead to much weirdness when it came to > __hash__ inheritance.
Just thought of a much better example as I clicked send: the basic numeric types (especially int) are locked down because they are special-cased all over the place (including in the main interpreter eval loop) in order to speed up simple arithmetic. Cheers, Nick. -- Nick Coghlan | ncogh...@gmail.com | Brisbane, Australia --------------------------------------------------------------- _______________________________________________ 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