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
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
|
/*=============================================================================
Copyright (c) 2010 Christopher Schmidt
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/sequence.hpp>
#include <boost/fusion/support.hpp>
#include <boost/fusion/container/list.hpp>
#include <boost/fusion/container/vector.hpp>
#include <boost/fusion/container/generation/make_vector.hpp>
#include <boost/fusion/adapted/struct/adapt_assoc_struct_named.hpp>
#include <boost/mpl/assert.hpp>
#include <boost/mpl/not.hpp>
#include <boost/type_traits/is_same.hpp>
#include <boost/static_assert.hpp>
#include <iostream>
#include <string>
namespace ns
{
struct x_member;
struct y_member;
struct z_member;
struct point
{
int x;
int y;
};
}
#if BOOST_PP_VARIADICS
BOOST_FUSION_ADAPT_ASSOC_STRUCT_NAMED(
ns::point,
point,
(x, ns::x_member)
(auto, y, ns::y_member)
)
#else // BOOST_PP_VARIADICS
BOOST_FUSION_ADAPT_ASSOC_STRUCT_NAMED(
ns::point,
point,
(int, x, ns::x_member)
(auto, y, ns::y_member)
)
#endif
struct empty_struct {};
BOOST_FUSION_ADAPT_ASSOC_STRUCT_NAMED(empty_struct, renamed_empty_struct,)
int
main()
{
using namespace boost::fusion;
std::cout << tuple_open('[');
std::cout << tuple_close(']');
std::cout << tuple_delimiter(", ");
{
BOOST_MPL_ASSERT((traits::is_view<adapted::point>));
BOOST_STATIC_ASSERT(traits::is_view<adapted::point>::value);
ns::point basep = {123, 456};
adapted::point p(basep);
std::cout << at_c<0>(p) << std::endl;
std::cout << at_c<1>(p) << std::endl;
std::cout << p << std::endl;
BOOST_TEST(p == make_vector(123, 456));
at_c<0>(p) = 6;
at_c<1>(p) = 9;
BOOST_TEST(p == make_vector(6, 9));
BOOST_STATIC_ASSERT(boost::fusion::result_of::size<adapted::point>::value == 2);
BOOST_STATIC_ASSERT(!boost::fusion::result_of::empty<adapted::point>::value);
BOOST_TEST(front(p) == 6);
BOOST_TEST(back(p) == 9);
}
{
vector<int, float> v1(4, 2.f);
ns::point basev2 = {5, 3};
adapted::point v2(basev2);
vector<long, double> v3(5, 4.);
BOOST_TEST(v1 < v2);
BOOST_TEST(v1 <= v2);
BOOST_TEST(v2 > v1);
BOOST_TEST(v2 >= v1);
BOOST_TEST(v2 < v3);
BOOST_TEST(v2 <= v3);
BOOST_TEST(v3 > v2);
BOOST_TEST(v3 >= v2);
}
{
// conversion from adapted::point to vector
ns::point basep = {5, 3};
adapted::point p(basep);
vector<int, long> v(p);
v = p;
}
{
// conversion from adapted::point to list
ns::point basep = {5, 3};
adapted::point p(basep);
list<int, long> l(p);
l = p;
}
{
// assoc stuff
BOOST_MPL_ASSERT((boost::fusion::result_of::has_key<adapted::point, ns::x_member>));
BOOST_MPL_ASSERT((boost::fusion::result_of::has_key<adapted::point, ns::y_member>));
BOOST_MPL_ASSERT((boost::mpl::not_<boost::fusion::result_of::has_key<adapted::point, ns::z_member> >));
BOOST_MPL_ASSERT((boost::is_same<boost::fusion::result_of::value_at_key<adapted::point, ns::x_member>::type, int>));
BOOST_MPL_ASSERT((boost::is_same<boost::fusion::result_of::value_at_key<adapted::point, ns::y_member>::type, int>));
ns::point basep = {5, 3};
adapted::point p(basep);
BOOST_TEST(at_key<ns::x_member>(p) == 5);
BOOST_TEST(at_key<ns::y_member>(p) == 3);
}
return boost::report_errors();
}
|
