75b2645e3f
git-svn-id: https://yap.svn.sf.net/svnroot/yap/trunk@1580 b08c6af1-5177-4d33-ba66-4b1c6b8b522a
54 lines
791 B
Plaintext
54 lines
791 B
Plaintext
=================================================================
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Logtalk - Object oriented extension to Prolog
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Release 2.27.1
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Copyright (c) 1998-2006 Paulo Moura. All Rights Reserved.
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=================================================================
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% start by loading the example:
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| ?- logtalk_load(parametric(loader)).
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...
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% some queries using the time and date parametric objects:
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| ?- date(Year, Month, Day)::today.
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Year = 2000
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Month = 8
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Day = 15
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Yes
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| ?- date(Year, _, _)::(today, \+ leap_year).
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Year = 2002
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yes
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| ?- time(Hours, Mins, Secs)::now.
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Hours = 13
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Mins = 52
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Secs = 42
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Yes
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| ?- R = rectangle(W, H, X, Y), R::init, R::move(3, 4, NR), NR::position(X2, Y2).
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R = rectangle(2, 1, 0, 0)
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W = 2
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H = 1
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X = 0
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Y = 0
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NR = rectangle(2, 1, 3, 4)
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X2 = 3
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Y2 = 4
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Yes
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