#14048: Data instances of kind Constraint -------------------------------------+------------------------------------- Reporter: Iceland_jack | Owner: (none) Type: bug | Status: new Priority: normal | Milestone: Component: Compiler | Version: 8.0.1 Resolution: | Keywords: Operating System: Unknown/Multiple | Architecture: | Unknown/Multiple Type of failure: None/Unknown | Test Case: Blocked By: | Blocking: Related Tickets: #12369 | Differential Rev(s): Phab:D4479 Wiki Page: | -------------------------------------+------------------------------------- Changes (by RyanGlScott): * differential: => Phab:D4479 Comment: Until we've agreed to actually allow this feature, Phab:D4479 properly catches uses of data types with return kind `Constraint` and rejects them. -- Ticket URL: http://ghc.haskell.org/trac/ghc/ticket/14048#comment:9 GHC http://www.haskell.org/ghc/ The Glasgow Haskell Compiler