[Numpy-discussion] [Python-3000] PEP 31XX: A Type Hierarchy for Numbers (and other algebraic entities)
Guido van Rossum
Sun Apr 29 21:31:53 CDT 2007
On 4/29/07, Jim Jewett <email@example.com> wrote:
> Or isexample, so that we aren't locked into implementing ABCs as base classes.
You don't have to use the feature even if it exists. :-)
I think there are good reasons to support overriding
isinstance/issubclass beyond ABCs.
--Guido van Rossum (home page: http://www.python.org/~guido/)
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