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[Python-Dev] type categories

[Python-Dev] type categories [Python-Dev] type categoriesAndrew Koenig ark@research.att.com
Mon, 26 Aug 2002 15:51:13 -0400 (EDT)
Oren> Can you give a more concrete example of what could a cartesian
Oren> product of type predicates actually stand for in Python?

Consider my TotallyOrdered suggestion from before.  I would like to
have a way of saying that for any two types T1 and T2 (where T1 might
equal T2) chosen from the set {int, long, float}, < imposes a total
ordering on values of those types.

Come to think of it, that's not really a Cartesian product.  Rather,
it's a claim about the members of the set union(int,union(long, float)).




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