[GHC] #4107: Extra parens in error message's displayed code

[GHC]

#4107: Extra parens in error message's displayed code
---------------------------+------------------------------------------------
  Reporter:  marcotmarcot  |          Owner:                
      Type:  bug           |         Status:  closed        
  Priority:  normal        |      Milestone:                
 Component:  Compiler      |        Version:  6.13          
Resolution:  fixed         |       Keywords:                
Difficulty:                |             Os:  Linux         
  Testcase:                |   Architecture:  x86_64 (amd64)
   Failure:  None/Unknown  |  
---------------------------+------------------------------------------------
Changes (by simonpj):

  * status:  new => closed
  * resolution:  => fixed


Comment:

 Good point.  Fixed by
 {{{
 Fri Jun  4 12:01:43 GMT Daylight Time 2010  simonpj at microsoft.com
   * Don't use unnecessary parens when printing types (Fix Trac 4107)

      f :: Eq a => a -> a
   rather than
      f :: (Eq a) => a -> a

     M ./compiler/hsSyn/HsTypes.lhs -2 +10
     M ./compiler/types/TypeRep.lhs -3 +13
 }}}
 Simon

-- 
Ticket URL: <http://hackage.haskell.org/trac/ghc/ticket/4107#comment:1>
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