Varadic calls in Mercury.

:- module varadic.

:- interface.

:- import_module io.

:- pred main(io::di, io::uo) is det.

:- implementation.

:- import_module type_desc.

:- type v(T, U)
    --->    T, U.

main(!IO) :-
    X = (1, 2, 3, 4, "What", "Ha!", 6.8, "IT WORKS!"),
    print(X, !IO), nl(!IO),
    print(type_of(X), !IO), nl(!IO).