[GHC] #8673: GHC could generate GADT record selectors in more cases

GHC ghc-devs at haskell.org
Sat May 17 19:07:18 UTC 2014


#8673: GHC could generate GADT record selectors in more cases
-------------------------------------+------------------------------------
        Reporter:  simonpj           |            Owner:
            Type:  feature request   |           Status:  new
        Priority:  normal            |        Milestone:
       Component:  Compiler          |          Version:  7.6.3
      Resolution:                    |         Keywords:
Operating System:  Unknown/Multiple  |     Architecture:  Unknown/Multiple
 Type of failure:  None/Unknown      |       Difficulty:  Unknown
       Test Case:                    |       Blocked By:
        Blocking:                    |  Related Tickets:
-------------------------------------+------------------------------------

Comment (by br1):

 I just also hit this limitation, but I'm not sure if my case was included
 in the cases already discussed.  I want to do something like:

 {{{#!haskell
 data Bar a where
   B1 :: { x :: Int } -> Bar Int
   B2 :: { x :: Char } -> Bar Char
 }}}

--
Ticket URL: <http://ghc.haskell.org/trac/ghc/ticket/8673#comment:2>
GHC <http://www.haskell.org/ghc/>
The Glasgow Haskell Compiler


More information about the ghc-tickets mailing list