#12863: Associated data families don't use superclasses when deriving instances -------------------------------------+------------------------------------- Reporter: Iceland_jack | Owner: 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: | Differential Rev(s): Wiki Page: | -------------------------------------+------------------------------------- Comment (by Iceland_jack): Even adding them to the context doesn't make a difference {{{#!hs instance (Key key, Functor (TotalMap key)) => Key (Identity key) instance (Key key1, Key key2, Functor (TotalMap key1), Functor (TotalMap key2)) => Key (key1, key2) }}} -- Ticket URL: http://ghc.haskell.org/trac/ghc/ticket/12863#comment:1 GHC http://www.haskell.org/ghc/ The Glasgow Haskell Compiler