#14938: Pattern matching on GADT does not refine type family parameters -------------------------------------+------------------------------------- Reporter: kcsongor | Owner: (none) Type: bug | Status: closed Priority: normal | Milestone: Component: Compiler (Type | Version: 8.2.2 checker) | Keywords: GADTs, Resolution: invalid | TypeFamilies, TypeInType Operating System: Unknown/Multiple | Architecture: Type of failure: GHC rejects | Unknown/Multiple valid program | Test Case: Blocked By: | Blocking: Related Tickets: | Differential Rev(s): Wiki Page: | -------------------------------------+------------------------------------- Changes (by RyanGlScott): * status: new => closed * resolution: => invalid Comment: As stated in comment:6, this is by design, and not a bug. -- Ticket URL: http://ghc.haskell.org/trac/ghc/ticket/14938#comment:9 GHC http://www.haskell.org/ghc/ The Glasgow Haskell Compiler