val :: (HasMetavar f, HasValue f) => String -> Mod f String
val xs = value xs <> metavar ("\"" ++ xs ++ "\"")
val :: (HasMetavar f, HasValue f) => String -> Mod f String
val xs = value xs <> metavar ("\"" ++ xs ++ "\"")
val xs = value xs <> metavar ("\"" ++ xs ++ "\"")