:- module types.

:- type t ---> a; a; f(t); f(t).

:- pred p(pred).


:- pred q.

q :-
	p(q),
	zzzzzzzz,
	p(2),
	p.


r :-
	s.

a(X) :- b(X).

r :-
	r, a(0).

:- pred z.
z :-
	r, a(0).
	

:- pred foo.

foo :-
	bar(_).
	

:- pred bar(BarTypeParam).

bar(X) :-
	X = 0.


:- pred baz(BazTypeParam).

baz(X) :-
	bar(X).


:- type t(T1, T2).

:- pred bar2(t(Bar1, Bar2)).

:- pred baz2(t(Baz1, Baz2)).

baz2(X) :-
	bar2(X).