| 1 | /*============================================================================= |
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| 2 | Copyright (c) 2001-2003 Joel de Guzman |
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| 3 | |
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| 4 | Distributed under the Boost Software License, Version 1.0. (See accompanying |
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| 5 | file LICENSE_1_0.txt or copy at http://www.boost.org/LICENSE_1_0.txt) |
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| 6 | ==============================================================================*/ |
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| 7 | #include <vector> |
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| 8 | #include <algorithm> |
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| 9 | #include <iostream> |
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| 10 | #include <boost/phoenix/core.hpp> |
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| 11 | #include <boost/phoenix/function.hpp> |
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| 12 | |
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| 13 | using boost::phoenix::function; |
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| 14 | |
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| 15 | struct is_odd_ |
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| 16 | { |
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| 17 | typedef bool result_type; |
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| 18 | |
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| 19 | template <typename Arg> |
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| 20 | bool operator()(Arg arg1) const |
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| 21 | { |
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| 22 | return arg1 % 2 == 1; |
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| 23 | } |
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| 24 | }; |
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| 25 | |
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| 26 | function<is_odd_> is_odd; |
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| 27 | |
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| 28 | int |
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| 29 | main() |
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| 30 | { |
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| 31 | using boost::phoenix::arg_names::arg1; |
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| 32 | |
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| 33 | int init[] = { 2, 10, 4, 5, 1, 6, 8, 3, 9, 7 }; |
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| 34 | std::vector<int> c(init, init + 10); |
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| 35 | typedef std::vector<int>::iterator iterator; |
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| 36 | |
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| 37 | // Find the first odd number in container c |
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| 38 | iterator it = std::find_if(first: c.begin(), last: c.end(), pred: is_odd(arg1)); |
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| 39 | |
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| 40 | if (it != c.end()) |
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| 41 | std::cout << *it << std::endl; // if found, print the result |
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| 42 | return 0; |
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| 43 | } |
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| 44 | |
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