#7854: Constrained method type accepted in Haskell 98 mode -----------------------------+---------------------------------------------- Reporter: refold | Owner: Type: bug | Status: new Priority: normal | Component: Compiler Version: 7.6.3 | Keywords: Os: Unknown/Multiple | Architecture: Unknown/Multiple Failure: None/Unknown | Blockedby: Blocking: | Related: -----------------------------+---------------------------------------------- Comment(by refold): Interestingly, the example from the manual seems to be always excepted if `MultiParamTypeClasses` are enabled: {{{ class Seq s a where fromList :: [a] -> s a elem :: Eq a => a -> s a -> Bool }}} -- Ticket URL: http://hackage.haskell.org/trac/ghc/ticket/7854#comment:2 GHC http://www.haskell.org/ghc/ The Glasgow Haskell Compiler