1 | /* -*- C++ -*- |
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2 | * src/test/new_graph_test.cc - Part of LEMON, a generic C++ optimization library |
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3 | * |
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4 | * Copyright (C) 2004 Egervary Jeno Kombinatorikus Optimalizalasi Kutatocsoport |
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5 | * (Egervary Combinatorial Optimization Research Group, EGRES). |
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6 | * |
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7 | * Permission to use, modify and distribute this software is granted |
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8 | * provided that this copyright notice appears in all copies. For |
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9 | * precise terms see the accompanying LICENSE file. |
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10 | * |
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11 | * This software is provided "AS IS" with no warranty of any kind, |
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12 | * express or implied, and with no claim as to its suitability for any |
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13 | * purpose. |
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14 | * |
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15 | */ |
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16 | |
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17 | #include <lemon/skeletons/graph.h> |
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18 | // #include <boost/concept_check.hpp> |
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19 | |
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20 | using namespace lemon::skeleton; |
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21 | |
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22 | // Borrowed from boost: |
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23 | template <class T> inline void ignore_unused_variable_warning(const T&) { } |
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24 | |
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25 | int main() |
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26 | { |
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27 | // This is the "right" way to check a concept: |
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28 | // boost::function_requires< BaseGraphItemConcept<BaseGraphItem> >(); |
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29 | |
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30 | // which is equivalent (considering compile-time checks) to |
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31 | // BaseGraphItemConcept<BaseGraphItem> bgic; |
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32 | // bgic.constraints(); |
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33 | // but not actually call or intatiates anything... |
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34 | // It's doing aproximately this: |
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35 | typedef BaseGraphItemConcept<BaseGraphItem> CC; |
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36 | void (CC::*x)() = &CC::constraints; |
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37 | ignore_unused_variable_warning(x); |
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38 | // But even more hackish... |
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39 | } |
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