#16391: "Quantified type's kind mentions quantified type variable" error with fancy-kinded GADT -------------------------------------+------------------------------------- Reporter: RyanGlScott | Owner: (none) Type: bug | Status: new Priority: normal | Milestone: Component: Compiler (Type | Version: 8.6.3 checker) | Resolution: | Keywords: 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: | -------------------------------------+------------------------------------- Comment (by simonpj): PS: here is a test caes that is rightly rejected by the test in `TcFValidity`. {{{ type family T (r :: RuntimeRep) :: TYPE r foo :: T r foo = foo }}} It'd be good to add a note to `TcValidity` to show this example of how the test does something useful. -- Ticket URL: http://ghc.haskell.org/trac/ghc/ticket/16391#comment:3 GHC http://www.haskell.org/ghc/ The Glasgow Haskell Compiler