printExpr (ExprCond e a b) = "(" ++ printExpr e ++ " ? " ++ printExpr a ++ " : " ++ printExpr b ++ ")"
printExpr (ExprCond e a b) = "(" ++ printExpr e ++ " ? " ++ printExpr a ++ " : " ++ printExpr b ++ ")"
printExpr (ExprCond e a b) = "(" ++ printExpr e ++ " ? " ++ printExpr a ++ " : " ++ printExpr b ++ ")"