"On" has some precedent in Function.on, i.e. sortOn k = sortBy (compare `on` k)
Of course that's the "cheap key" version, I guess you're discussing adding the expensive key version.
>>>>> Niklas Haas <haskell@nand.wakku.to> writes:
>> Oh yes, 'sortOn' is a really nice name. :)
> Huh, that name just reminded me of GHC.Exts.sortWith:
Either of the names sortOn, or sortWith, sound good. I think I prefer
sortWith.
John
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