/Src/Dependencies/Boost/libs/phoenix/example/function.cpp

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