1 | #include <iostream>
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2 | #include <boost/concept_check.hpp>
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3 | #include <boost/concept/requires.hpp>
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4 |
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5 |
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6 | template <typename T>
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7 | struct foo
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8 | { };
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9 |
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10 |
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11 | template <class X>
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12 | struct DummyConcept
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13 | {
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14 | typedef typename X::something something;
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15 |
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16 | BOOST_CONCEPT_USAGE(DummyConcept){
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17 | }
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18 | };
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19 |
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20 |
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21 | template<typename T>
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22 | BOOST_CONCEPT_REQUIRES(
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23 | ((DummyConcept<T>)),
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24 | (void))
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25 | func(T&)
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26 | { std::cout << "first overload" << std::endl; }
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27 |
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28 | template<typename T>
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29 | void func(foo<T>)
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30 | { std::cout << "second overload" << std::endl; }
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31 |
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32 |
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33 | int main()
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34 | {
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35 | func(foo<int>());
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36 | return 0;
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37 | }
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38 |
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