Re: [GHC] #12942: Add infix flag for class and data declarations

10 Dec 2016

      #12942: Add infix flag for class and data declarations
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        Reporter:  alanz             |                Owner:  alanz
            Type:  task              |               Status:  new
        Priority:  normal            |            Milestone:  8.2.1
       Component:  Compiler          |              Version:  8.0.1
      Resolution:                    |             Keywords:
Operating System:  Unknown/Multiple  |         Architecture:
                                     |  Unknown/Multiple
 Type of failure:  None/Unknown      |            Test Case:
      Blocked By:                    |             Blocking:
 Related Tickets:  #3384             |  Differential Rev(s):
       Wiki Page:                    |
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Comment (by alanz):

 And it seems the `HasOccName` constraint is also required for
 `pprMinimalSig`, via

 {{{#!hs
 pprBooleanFormulaNormal :: (Outputable a, HasOccName a)
                         => BooleanFormula a -> SDoc
 pprBooleanFormulaNormal = go
   where
     go (Var x)    = pprPrefixVar (isSymOcc (occName x)) (ppr x)
     ...
 }}}

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Ticket URL: http://ghc.haskell.org/trac/ghc/ticket/12942#comment:4
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