[GHC] #6018: Injective type families

[GHC]

#6018: Injective type families
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    Reporter:  lunaris                  |       Owner:  simonpj         
        Type:  feature request          |      Status:  new             
    Priority:  normal                   |   Milestone:  7.8.1           
   Component:  Compiler                 |     Version:  7.4.1           
    Keywords:  TypeFamilies, Injective  |          Os:  Unknown/Multiple
Architecture:  Unknown/Multiple         |     Failure:  None/Unknown    
  Difficulty:  Unknown                  |    Testcase:                  
   Blockedby:                           |    Blocking:                  
     Related:  #4259                    |  
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Comment(by simonpj):

 Andy, No version of GHC had injective families.  If you have code that you
 think should work, and used to, and doesn't now, by all means submit a but
 report!

 Simon

-- 
Ticket URL: <http://hackage.haskell.org/trac/ghc/ticket/6018#comment:16>
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