#9840: Permit empty closed type families -------------------------------------+------------------------------------- Reporter: adamgundry | Owner: Type: feature | Status: new request | Milestone: Priority: normal | Version: 7.8.3 Component: Compiler | Keywords: (Type checker) | Architecture: Unknown/Multiple Resolution: | Difficulty: Unknown Operating System: | Blocked By: Unknown/Multiple | Related Tickets: Type of failure: | None/Unknown | Test Case: | Blocking: | Differential Revisions: | -------------------------------------+------------------------------------- Comment (by simonpj): But you also want them to be non injective? Otherwise you could say {{{ data Plus a b }}} -- Ticket URL: http://ghc.haskell.org/trac/ghc/ticket/9840#comment:1 GHC http://www.haskell.org/ghc/ The Glasgow Haskell Compiler