[GHC] #7910: ConstraintKinds and reifyInstances

GHC cvs-ghc at haskell.org
Wed May 15 15:27:25 CEST 2013


#7910: ConstraintKinds and reifyInstances
------------------------------------------+---------------------------------
  Reporter:  elliottt                     |          Owner:                                  
      Type:  bug                          |         Status:  closed                          
  Priority:  normal                       |      Milestone:                                  
 Component:  Compiler                     |        Version:  7.7                             
Resolution:  fixed                        |       Keywords:  ConstraintKinds, TemplateHaskell
        Os:  Unknown/Multiple             |   Architecture:  Unknown/Multiple                
   Failure:  Incorrect result at runtime  |     Difficulty:  Unknown                         
  Testcase:  th/T7901                     |      Blockedby:                                  
  Blocking:                               |        Related:                                  
------------------------------------------+---------------------------------
Changes (by simonpj):

  * status:  new => closed
  * difficulty:  => Unknown
  * resolution:  => fixed
  * testcase:  => th/T7901


Comment:

 Good point thank you! There's a slight question about the "right"
 behaviour here (i.e. maybe you *really* want to look up instances for D),
 but I think you are right that the more permissive behaviour is more
 convenient and useful.  So I've done that.

 Simon

-- 
Ticket URL: <http://hackage.haskell.org/trac/ghc/ticket/7910#comment:3>
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