Re: [Haskell-cafe] About the parse error (possibly incorrect indentation)

Am Freitag 18 September 2009 02:17:22 schrieb xu zhang:

showMinProp :: Int -> Prop -> String showMinProp preNo (BinOp op p q) =        case op of          And -> let a = 4          Or  -> let a = 3          Implies -> let a = 2          Equiv   -> let a = 1        if (a > preNo)          then (showMinProp a p  ++ space (showOp op) ++ showMinProp a q)          else paren (showMinProp a p ++ space (showOp op) ++ showMinProp a q))

showMinProp preNo (BinOp op p q) = let a = case op of And -> 4 ... in if a > preNo then (...) else (...)