fun foo (xs: int): int = return xs + 1;
fun bar (xs: int) (x: int): int = return xs - x;

fun main: void = do
    foo(69)       -- 69 + 1 => 70
    |> bar(_, 1)  -- '70 - 1 => 69
    |> @write(_); -- '69 => stdout

    @write("\n");

    foo(60)        -- 60 + 1 => 61
    |> bar(130, _) -- 130 - '61 => 69
    |> @write(_);  -- '69 => stdout
end;