[GHC] #5462: Deriving clause for arbitrary classes

[GHC]

#5462: Deriving clause for arbitrary classes
---------------------------------+------------------------------------------
    Reporter:  simonpj           |        Owner:              
        Type:  feature request   |       Status:  new         
    Priority:  normal            |    Milestone:              
   Component:  Compiler          |      Version:  7.2.1       
    Keywords:                    |     Testcase:              
   Blockedby:                    |   Difficulty:              
          Os:  Unknown/Multiple  |     Blocking:              
Architecture:  Unknown/Multiple  |      Failure:  None/Unknown
---------------------------------+------------------------------------------
Changes (by hvr):

 * cc: hvr@… (added)


Comment:

 Could this be designed in such a way, that one would also be able to
 optionally provide a TemplateHaskell code generator for used-defined auto-
 derivable instances?

-- 
Ticket URL: <http://hackage.haskell.org/trac/ghc/ticket/5462#comment:3>
GHC <http://www.haskell.org/ghc/>
The Glasgow Haskell Compiler