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yap-6.3/Logtalk/examples/parametric/SCRIPT
pmoura 3ba8483607 Logtalk 2.16.2 files.
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2004-04-02 14:39:36 +00:00

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=================================================================
Logtalk - Object oriented extension to Prolog
Release 2.16.2
Copyright (c) 1998-2004 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).
Year = 2002
yes
| ?- time(Hours, Mins, Secs)::now.
Hours = 13
Mins = 52
Secs = 42
Yes