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
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
|
/*=============================================================================
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/adapted/struct/adapt_struct.hpp>
#include <boost/fusion/sequence/intrinsic/at.hpp>
#include <boost/fusion/sequence/intrinsic/size.hpp>
#include <boost/fusion/sequence/intrinsic/empty.hpp>
#include <boost/fusion/sequence/intrinsic/front.hpp>
#include <boost/fusion/sequence/intrinsic/back.hpp>
#include <boost/fusion/sequence/io/out.hpp>
#include <boost/fusion/container/vector/vector.hpp>
#include <boost/fusion/container/list/list.hpp>
#include <boost/fusion/container/generation/make_vector.hpp>
#include <boost/fusion/container/vector/convert.hpp>
#include <boost/fusion/sequence/comparison/equal_to.hpp>
#include <boost/fusion/sequence/comparison/not_equal_to.hpp>
#include <boost/fusion/sequence/comparison/less.hpp>
#include <boost/fusion/sequence/comparison/less_equal.hpp>
#include <boost/fusion/sequence/comparison/greater.hpp>
#include <boost/fusion/sequence/comparison/greater_equal.hpp>
#include <boost/fusion/support/is_view.hpp>
#include <boost/mpl/assert.hpp>
#include <boost/static_assert.hpp>
#include <iostream>
#include <string>
namespace ns
{
template<typename X, typename Y>
struct point
{
X x;
Y y;
int z;
};
}
#if BOOST_PP_VARIADICS
BOOST_FUSION_ADAPT_TPL_STRUCT(
(X)(Y),
(ns::point)(X)(Y),
x,
(auto, y)
(int, z)
)
template<typename M>
struct s { M m; };
BOOST_FUSION_ADAPT_TPL_STRUCT((M), (s)(M), m)
#else // BOOST_PP_VARIADICS
BOOST_FUSION_ADAPT_TPL_STRUCT(
(X)(Y),
(ns::point)(X)(Y),
(X, x)
(Y, y)
(auto, z)
)
template<typename M>
struct s { M m; };
BOOST_FUSION_ADAPT_TPL_STRUCT((M), (s)(M), (auto, m))
#endif
template <typename TypeToConstruct>
struct empty_struct_templated_factory {
TypeToConstruct operator()() {
return TypeToConstruct();
}
};
BOOST_FUSION_ADAPT_TPL_STRUCT(
(TypeToConstruct),
(empty_struct_templated_factory)(TypeToConstruct),
)
int
main()
{
using namespace boost::fusion;
typedef ns::point<int, int> point;
std::cout << tuple_open('[');
std::cout << tuple_close(']');
std::cout << tuple_delimiter(", ");
{
BOOST_MPL_ASSERT_NOT((traits::is_view<point>));
BOOST_STATIC_ASSERT(!traits::is_view<point>::value);
point p = {123, 456, 789};
std::cout << at_c<0>(p) << std::endl;
std::cout << at_c<1>(p) << std::endl;
std::cout << at_c<2>(p) << std::endl;
std::cout << p << std::endl;
BOOST_TEST(p == make_vector(123, 456, 789));
at_c<0>(p) = 6;
at_c<1>(p) = 9;
at_c<2>(p) = 12;
BOOST_TEST(p == make_vector(6, 9, 12));
BOOST_STATIC_ASSERT(boost::fusion::result_of::size<point>::value == 3);
BOOST_STATIC_ASSERT(!boost::fusion::result_of::empty<point>::value);
BOOST_TEST(front(p) == 6);
BOOST_TEST(back(p) == 12);
}
{
vector<int, float, int> v1(4, 2.f, 2);
point v2 = {5, 3, 3};
vector<long, double, int> v3(5, 4., 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 point to vector
point p = {5, 3, 3};
vector<int, long, int> v(p);
v = p;
}
{
// conversion from point to list
point p = {5, 3, 3};
list<int, long> l(p);
l = p;
}
{ // begin/end
using namespace boost::fusion;
typedef boost::fusion::result_of::begin<s<int> >::type b;
typedef boost::fusion::result_of::end<s<int> >::type e;
// this fails
BOOST_MPL_ASSERT((boost::is_same<boost::fusion::result_of::next<b>::type, e>));
}
return boost::report_errors();
}
|
