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1 | // Boost.Function library |
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2 | |
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3 | // Copyright Douglas Gregor 2002-2003. Use, modification and |
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4 | // distribution is subject to the Boost Software License, Version |
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5 | // 1.0. (See accompanying file LICENSE_1_0.txt or copy at |
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6 | // http://www.boost.org/LICENSE_1_0.txt) |
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7 | |
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8 | // For more information, see http://www.boost.org |
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9 | |
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10 | #include <iostream> |
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11 | #include <cstdlib> |
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12 | |
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13 | #include <boost/test/minimal.hpp> |
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14 | #include <boost/lambda/lambda.hpp> |
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15 | #include <boost/lambda/bind.hpp> |
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16 | #include <boost/function.hpp> |
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17 | |
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18 | using namespace std; |
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19 | using namespace boost; |
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20 | using namespace boost::lambda; |
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21 | |
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22 | static unsigned |
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23 | func_impl(int arg1, bool arg2, double arg3) |
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24 | { |
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25 | return abs (static_cast<int>((arg2 ? arg1 : 2 * arg1) * arg3)); |
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26 | } |
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27 | |
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28 | int test_main(int, char*[]) |
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29 | { |
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30 | function <unsigned(bool, double)> f1 = bind(func_impl, 15, _1, _2); |
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31 | function <unsigned(double)> f2 = bind(f1, false, _1); |
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32 | function <unsigned()> f3 = bind(f2, 4.0); |
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33 | |
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34 | f3(); |
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35 | |
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36 | return 0; |
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37 | } |
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38 | |
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