[GHC] #1769: Deriving Typeable for data families

[GHC]

#1769: Deriving Typeable for data families
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  Reporter:  chak                                |          Owner:  chak            
      Type:  task                                |         Status:  closed          
  Priority:  low                                 |      Milestone:  7.0.1           
 Component:  Compiler (Type checker)             |        Version:  6.9             
Resolution:  fixed                               |       Keywords:                  
  Testcase:  indexed-types/should_compile/T1769  |      Blockedby:                  
Difficulty:  Unknown                             |             Os:  Unknown/Multiple
  Blocking:                                      |   Architecture:  Unknown/Multiple
   Failure:  None/Unknown                        |  
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Changes (by simonpj):

  * status:  new => closed
  * testcase:  => indexed-types/should_compile/T1769
  * resolution:  => fixed


Comment:

 OK, I've done this
 {{{
 Mon Nov 15 23:11:46 GMT Standard Time 2010  simonpj at microsoft.com
   * Deriving Typeable changes

   * Fix a bug that led to a crash with
       data family T a
       deriving Functor T

   * Allow deriving Typeable for data families
       data family T a
       deriving Typeable1 T

   * Some refactoring and tidying

     M ./compiler/typecheck/TcDeriv.lhs -47 +58
 }}}
 Simon

-- 
Ticket URL: <http://hackage.haskell.org/trac/ghc/ticket/1769#comment:7>
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