DSU pattern (was Re: Trouble sorting lists (unicode/locale re lated?))

[SBrunning at trisystems.co.uk]

> From:	Peter Otten [SMTP:__peter__ at web.de]
> Everytime that someone posts a naive list.sort(compare), the DSU pattern
> is
> proposed to improve execution speed.
> 
> So maybe it's about time to change the sort() method to support a second
> argument
> 
> list.sort(compare=None, mapping=None)
> 
> that, if provided, would perform the DSU magic. Or was that already
> proposed
> and rejected?
 
Perhaps 'decorator' would be a better name than 'mapping'?

Cheers,
Simon Brunning,
http://www.brunningonline.net/simon/blog/
--LongSig





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