[Python-Dev] type categories
Mon, 26 Aug 2002 17:17:28 -0400 (EDT)
>> Remember that one thing I consider important is the ability to claim
>> that classes written by others belong to a category defined by me. I do not
>> want to have to modify those classes in order to do so.
Oren> How about union(int, long, float, has_marker("TotallyOrdered")) ?
How about it? There is still the question of how to make such claims.
Oren> Inheritance of implementation also inherits the form (methods
Oren> and call signatures). If you don't go out of your way to modify
Oren> it a subclass will usually also be a subcategory so this should
Oren> be pretty transparent most of the time.
Right. So how do you define a subclass that you do not want to be