#13153: Several Traversable instances have an extra fmap -------------------------------------+------------------------------------- Reporter: dfeuer | Owner: dfeuer Type: bug | Status: new Priority: normal | Milestone: 8.4.1 Component: Core Libraries | Version: 8.1 Resolution: | Keywords: | QuantifiedContexts Operating System: Unknown/Multiple | Architecture: Type of failure: Runtime | Unknown/Multiple performance bug | Test Case: Blocked By: | Blocking: Related Tickets: | Differential Rev(s): Wiki Page: | -------------------------------------+------------------------------------- Changes (by RyanGlScott): * keywords: => QuantifiedContexts Comment: I'm adding the `QuantifiedContexts` keyword only because implementing that feature (in the context of `GeneralizedNewtypeDeriving`) would make this feature request obsolete. -- Ticket URL: http://ghc.haskell.org/trac/ghc/ticket/13153#comment:10 GHC http://www.haskell.org/ghc/ The Glasgow Haskell Compiler