fd95dab3a7
git-svn-id: https://yap.svn.sf.net/svnroot/yap/trunk@1151 b08c6af1-5177-4d33-ba66-4b1c6b8b522a
40 lines
597 B
Plaintext
40 lines
597 B
Plaintext
=================================================================
|
|
Logtalk - Object oriented extension to Prolog
|
|
Release 2.21.1
|
|
|
|
Copyright (c) 1998-2004 Paulo Moura. All Rights Reserved.
|
|
=================================================================
|
|
|
|
|
|
% start by loading the example:
|
|
|
|
| ?- logtalk_load(loader).
|
|
...
|
|
|
|
|
|
% 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
|