[Python-3000] Generic function PEP won't make it in time
Phillip J. Eby
pje at telecommunity.com
Fri Apr 27 17:22:07 CEST 2007
At 07:25 PM 4/27/2007 +1200, Greg Ewing wrote:
> > I kind of wonder about the idea of implementing generic functions using
> > generic functions.
>I'd be worried about efficiency. Generic functions on
>top of generic functions sounds like you would have two
>layers of dynamic lookup to go through instead of one.
No, it only affects method addition and index updating (which only occurs
when new types are encountered or new methods are added). You don't need
the generic functions in order to dispatch generic functions, only to build
the dispatch tables.
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