#12551: Make type indices take local constraints into account in type instance declaration -------------------------------------+------------------------------------- Reporter: Iceland_jack | Owner: Type: feature request | Status: new Priority: normal | Milestone: Component: Compiler | Version: 8.0.1 Resolution: | Keywords: TypeFamilies Operating System: Unknown/Multiple | Architecture: | Unknown/Multiple Type of failure: None/Unknown | Test Case: Blocked By: | Blocking: Related Tickets: | Differential Rev(s): Wiki Page: | -------------------------------------+------------------------------------- Comment (by Iceland_jack): I vaguely remember that discussion. That's fine, I will add the [https://gist.github.com/Icelandjack/5afdaa32f41adf3204ef9025d9da2a70#workaro... workaround]. Could this be mentioned in the error message? -- Ticket URL: http://ghc.haskell.org/trac/ghc/ticket/12551#comment:4 GHC http://www.haskell.org/ghc/ The Glasgow Haskell Compiler