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[Python-Dev] Python3 regret about deleting list.sort(cmp=...)

Jesus Cea jcea at jcea.es
Wed Mar 16 17:11:20 CET 2011 
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On 13/03/11 13:14, Paul Moore wrote:
> None of my real code is affected either way, but it seems to me that
> the removal of the comparison function option was (sadly) a case of
> purity being allowed to beat practicality. Luckily, adding it back
> wouldn't be a backward compatibility issue :-) Whether it's worth
> doing, I'll leave to those who would be doing the work to judge...

I would +1 to reintroducing "cmp". Mapping my mental "cmp" to a "key"
is something I must think about everyday. When I have a 200 element
list, I don't mind about the "O(nlog(n))" nature of "cmp", instead of
"O(n)" of key.

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