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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 } |