[GHC] #14236: Typeable App pattern doesn't match function types

GHC ghc-devs at haskell.org
Thu Sep 14 23:11:26 UTC 2017


#14236: Typeable App pattern doesn't match function types
-------------------------------------+-------------------------------------
           Reporter:  bgamari        |             Owner:  (none)
               Type:  bug            |            Status:  new
           Priority:  low            |         Milestone:  8.4.1
          Component:  Compiler       |           Version:  8.2.1
           Keywords:                 |  Operating System:  Unknown/Multiple
       Architecture:                 |   Type of failure:  None/Unknown
  Unknown/Multiple                   |
          Test Case:                 |        Blocked By:
           Blocking:                 |   Related Tickets:
Differential Rev(s):                 |         Wiki Page:
-------------------------------------+-------------------------------------
 Consider the type representation,
 {{{#!hs
 rep = typeRep @(Int -> Char)
 }}}

 We would expect this to match the pattern,
 {{{#!hs
 (App (App arrowRep intRep) charRep)
 }}}

 However, this is currently not the case. Fix this.

-- 
Ticket URL: <http://ghc.haskell.org/trac/ghc/ticket/14236>
GHC <http://www.haskell.org/ghc/>
The Glasgow Haskell Compiler


More information about the ghc-tickets mailing list