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Revision 4662, 0.9 KB
(checked in by pmoura, 6 days ago)
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Updated copyright notice.
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| 1 | ================================================================ |
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| 2 | Logtalk - Open source object-oriented logic programming language |
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| 3 | Release 2.35.0 |
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| 4 | |
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| 5 | Copyright (c) 1998-2009 Paulo Moura. All Rights Reserved. |
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| 6 | Logtalk is free software. You can redistribute it and/or modify |
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| 7 | it under the terms of the "Artistic License 2.0" as published by |
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| 8 | The Perl Foundation. Consult the "LICENSE.txt" file for details. |
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| 9 | ================================================================ |
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| 10 | |
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| 11 | |
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| 12 | % start by loading the example: |
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| 13 | |
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| 14 | | ?- logtalk_load(classvars(loader)). |
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| 15 | ... |
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| 16 | |
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| 17 | |
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| 18 | % get the value of the class variable for each instance: |
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| 19 | |
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| 20 | | ?- instance1::cv(Value1), instance2::cv(Value2), instance3::cv(Value3). |
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| 21 | |
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| 22 | Value1 = 0 |
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| 23 | Value2 = 0 |
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| 24 | Value3 = 0 |
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| 25 | yes |
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| 26 | |
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| 27 | |
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| 28 | % change the value of the class variable via instance1: |
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| 29 | |
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| 30 | | ?- instance1::set_cv(1). |
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| 31 | |
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| 32 | yes |
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| 33 | |
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| 34 | |
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| 35 | % get the value of the class variable for the other instances: |
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| 36 | |
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| 37 | | ?- instance2::cv(Value2), instance3::cv(Value3). |
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| 38 | |
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| 39 | Value2 = 1 |
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| 40 | Value3 = 1 |
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| 41 | yes |
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