[GHC] #2893: Implement "Quantified contexts" proposal

[GHC]

#2893: Implement "Quantified contexts" proposal
---------------------------------+------------------------------------------
    Reporter:  porges            |        Owner:              
        Type:  feature request   |       Status:  new         
    Priority:  normal            |    Milestone:  _|_         
   Component:  Compiler          |      Version:  6.10.1      
    Keywords:  proposal          |     Testcase:              
   Blockedby:                    |   Difficulty:  Unknown     
          Os:  Unknown/Multiple  |     Blocking:              
Architecture:  Unknown/Multiple  |      Failure:  None/Unknown
---------------------------------+------------------------------------------
Changes (by reinerp):

 * cc: reiner.pope@… (added)


-- 
Ticket URL: <http://hackage.haskell.org/trac/ghc/ticket/2893#comment:6>
GHC <http://www.haskell.org/ghc/>
The Glasgow Haskell Compiler