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List:       python-list
Subject:    Re: Would there be support for a more general cmp/__cmp__
From:       Antoon Pardon <apardon () forel ! vub ! ac ! be>
Date:       2005-10-31 8:56:09
Message-ID: slrndmbn19.1n4.apardon () rcpc42 ! vub ! ac ! be
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Op 2005-10-28, Ron Adam schreef <rrr@ronadam.com>:
>
> I haven't heard he was removing __cmp__,

I read somewhere he was considering it.

> but I would think the sort or 
> sorted functions would just use the available comparisons methods or 
> equivalent C code for base types.  So I expect it would only matter if 
> you need a custom or modified sort.
>
> Although It is a thought that these cases could be improved by making 
> the sort value available to the underlying C sort function.  Something 
> on the order of:
>
>      __sortvalue__ == self.value.

I doubt that will be possible in general. You can't even calculate such
a __sortvalue__ for lists.

-- 
Antoon Pardon
-- 
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