=================================================================
Logtalk - Object oriented extension to Prolog
Release 2.9.2
Copyright (c) 1998-2002 Paulo Moura. All Rights Reserved.
% some queries using the time and date parametric objects:
| ?- date(Year, Month, Day)::today.
Year = 2000
Month = 8
Day = 15
Yes
| ?- date(Year, _, _)::(today, leap_year).
yes
| ?- time(Hours, Mins, Secs)::now.
Hours = 13
Mins = 52
Secs = 42
