#12680: Permit type equality instances in signatures -------------------------------------+------------------------------------- Reporter: ezyang | Owner: Type: feature request | Status: new Priority: low | Milestone: Component: Compiler (Type | Version: 8.1 checker) | Resolution: | Keywords: backpack 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 ezyang): Note: another reason you need to distinguish between `type` and `data` is because `type` must have its type arguments saturated (since it may be implemented with a type synonym). -- Ticket URL: http://ghc.haskell.org/trac/ghc/ticket/12680#comment:9 GHC http://www.haskell.org/ghc/ The Glasgow Haskell Compiler