[GHC] #2357: Implement the Haskell' proposal for polymorphic pattern bindings

[GHC]

#2357: Implement the Haskell' proposal for polymorphic pattern bindings
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    Reporter:  simonmar                 |        Owner:              
        Type:  task                     |       Status:  new         
    Priority:  high                     |    Milestone:  7.2.1       
   Component:  Compiler (Type checker)  |      Version:  6.8.2       
    Keywords:                           |     Testcase:              
   Blockedby:                           |   Difficulty:  Unknown     
          Os:  Unknown/Multiple         |     Blocking:              
Architecture:  Unknown/Multiple         |      Failure:  None/Unknown
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Changes (by simonmar):

  * priority:  normal => high


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Ticket URL: <http://hackage.haskell.org/trac/ghc/ticket/2357#comment:9>
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