#7854: Constrained method type accepted in Haskell 98 mode
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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:
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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
}}}
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Ticket URL: <http://hackage.haskell.org/trac/ghc/ticket/7854#comment:2>
GHC <http://www.haskell.org/ghc/>
The Glasgow Haskell Compiler
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