#12791: Superclass methods could be more aggressively specialised. -------------------------------------+------------------------------------- Reporter: mpickering | 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 mpickering): Yes and here is another example from transformers. {{{#!hs class (Monoid w, Monad m) => MonadWriter w m | m -> w where }}} It is suggested to write functions of the form, {{{#!hs f :: (MonadWriter MyMonoid m) => m .... }}} which will have the same problem. -- Ticket URL: http://ghc.haskell.org/trac/ghc/ticket/12791#comment:13 GHC http://www.haskell.org/ghc/ The Glasgow Haskell Compiler