
#12199: GHC is oblivious to injectivity when solving an equality constraint -------------------------------------+------------------------------------- Reporter: RyanGlScott | Owner: Type: bug | Status: new Priority: normal | Milestone: Component: Compiler (Type | Version: 8.0.1 checker) | Keywords: TypeFamilies, Resolution: | Injective Operating System: Unknown/Multiple | Architecture: Type of failure: GHC rejects | Unknown/Multiple valid program | Test Case: Blocked By: | Blocking: Related Tickets: #10833 | Differential Rev(s): Wiki Page: | -------------------------------------+------------------------------------- Changes (by jstolarek): * related: => #10833 Comment: Example in #comment:1 should not compile '''yet''' - see #10833 for details. -- Ticket URL: http://ghc.haskell.org/trac/ghc/ticket/12199#comment:2 GHC http://www.haskell.org/ghc/ The Glasgow Haskell Compiler