[GHC] #7081: arrow analogs of lambda case and multi-way if

[GHC]

#7081: arrow analogs of lambda case and multi-way if
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    Reporter:  jeltsch           |       Owner:                  
        Type:  feature request   |      Status:  new             
    Priority:  normal            |   Milestone:                  
   Component:  Compiler          |     Version:  7.5             
    Keywords:                    |          Os:  Unknown/Multiple
Architecture:  Unknown/Multiple  |     Failure:  None/Unknown    
  Difficulty:  Unknown           |    Testcase:                  
   Blockedby:                    |    Blocking:                  
     Related:                    |  
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Changes (by simonpj):

  * difficulty:  => Unknown


Comment:

 To me this all looks plausible. Do work with Dan on #7071.

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Ticket URL: <http://hackage.haskell.org/trac/ghc/ticket/7081#comment:2>
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