[Python-Dev] type categories

[Guido van Rossum]

> That's funny, my users are very happy with how fast it works in
> Boost.Python. I don't see any reason it should have to be much less
> efficient in pure Python for most cases... the important "type categories"
> could be builtins. And as others have pointed out, it could even be used to
> get certain optimzations.

Time to write a PEP.  Maybe there's an implementation trick you
haven't told us about?

--Guido van Rossum (home page: http://www.python.org/~guido/)