On Thu, Nov 08, 2012 at 10:56:26PM +0000, Simon King wrote:
> why not make __len__ an alias for the cardinality?
It can't be a plain alias: __len__ is only allowed to return an `int`,
whereas cardinality should return an Integer or +infinity.
Cheers,
Nicolas
--
Nicolas M. Thiéry "Isil" <nthi...@users.sf.net>
http://Nicolas.Thiery.name/
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