1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
|
/*=============================================================================
Copyright (c) 2001-2011 Joel de Guzman
Distributed under the Boost Software License, Version 1.0. (See accompanying
file LICENSE_1_0.txt or copy at http://www.boost.org/LICENSE_1_0.txt)
==============================================================================*/
#include <boost/detail/lightweight_test.hpp>
#include <boost/fusion/container/vector/vector.hpp>
#include <boost/fusion/adapted/mpl.hpp>
#include <boost/fusion/sequence/io/out.hpp>
#include <boost/fusion/algorithm/query/find_if.hpp>
#include <boost/mpl/vector.hpp>
#include <boost/mpl/vector_c.hpp>
#include <boost/mpl/less.hpp>
#include <boost/type_traits/is_same.hpp>
struct X
{
operator int() const
{
return 12345;
}
};
int
main()
{
using namespace boost::fusion;
{
using boost::is_same;
using boost::mpl::_;
typedef vector<int, char, int, double> vector_type;
vector_type v(12345, 'x', 678910, 3.36);
std::cout << *find_if<is_same<_, char> >(v) << std::endl;
BOOST_TEST((*find_if<is_same<_, char> >(v) == 'x'));
std::cout << *find_if<is_same<_, int> >(v) << std::endl;
BOOST_TEST((*find_if<is_same<_, int> >(v) == 12345));
std::cout << *find_if<is_same<_, double> >(v) << std::endl;
BOOST_TEST((*find_if<is_same<_, double> >(v) == 3.36));
}
{
using boost::mpl::vector;
using boost::is_same;
using boost::mpl::_;
typedef vector<int, char, X, double> mpl_vec;
BOOST_TEST((*find_if<is_same<_, X> >(mpl_vec()) == 12345));
}
{
using boost::mpl::vector_c;
using boost::mpl::less;
using boost::mpl::int_;
using boost::is_same;
using boost::mpl::_;
typedef vector_c<int, 1, 2, 3, 4> mpl_vec;
BOOST_TEST((*find_if<less<_, int_<3> > >(mpl_vec()) == 1));
}
return boost::report_errors();
}
|