:- category(category).
:- info([
version is 1.0,
author is 'Paulo Moura',
date is 2007/06/10,
comment is 'Defines a simple predicate for comparing performance of calls from within an object to imported category predicates.']).
:- public(ctg_pred/0).
ctg_pred :-
{generate_list(20, List)},
length(List, _).
length(List, Length) :-
length(List, 0, Length).
length([], Length, Length).
length([_| Tail], Acc, Length) :-
Acc2 is Acc + 1,
length(Tail, Acc2, Length).
:- end_category.
