[GHC] #12044: Remove sortWith in favor of sortOn

[GHC]

#12044: Remove sortWith in favor of sortOn
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           Reporter:  cblp           |             Owner:
               Type:  feature        |            Status:  new
  request                            |
           Priority:  normal         |         Milestone:
          Component:                 |           Version:  7.10.3
  libraries/base                     |
           Keywords:                 |  Operating System:  Unknown/Multiple
       Architecture:                 |   Type of failure:  Other
  Unknown/Multiple                   |
          Test Case:                 |        Blocked By:
           Blocking:                 |   Related Tickets:  2659
Differential Rev(s):                 |         Wiki Page:
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 There is Data.List.sortOn that does the same as GHC.Exts.sortWith, and
 even seems to be more effective. GHC.Exts.sortWith should be deprecated or
 removed.

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Ticket URL: <http://ghc.haskell.org/trac/ghc/ticket/12044>
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