When writing a command-line interface I ran into type class conflicts
I don't understand. Could anyone explain why ghc 6.10.4 compiles this
> methods :: (Eq a) => [(String, a)]
> methods =
> [ ("method1", undefined )
> , ("method2", undefined)
> ]
but not the following?
> methods :: (Eq a) => [(String, a)]
> methods =
> [ ("method1", undefined )
> , ("method2", undefined)
> ]
>
> enumerateMethodNames :: [String]
> enumerateMethodNames = map fst methods
thanks,
Marcus
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