Proposal #2659: Add sortOn and friends to Data.List

Malcolm Wallace Malcolm.Wallace at
Wed Oct 8 05:55:28 EDT 2008

>   1) Get rid of any need for Data.Function by exporting
>      'fix' and 'on' into the Prelude.

This can't be done, for one simple reason: the Prelude is Haskell'98,
and therefore currently immutable.


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