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
|
// Copyright 2015, 2017 Peter Dimov.
//
// 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
#if defined(_MSC_VER)
#pragma warning( disable: 4244 ) // 'initializing': conversion from 'int' to 'char', possible loss of data
#endif
#include <boost/mp11/tuple.hpp>
#include <boost/core/lightweight_test.hpp>
#include <tuple>
#include <memory>
#include <utility>
#include <array>
int main()
{
using boost::mp11::tuple_apply;
{
std::tuple<int, short, char> tp{ 1, 2, 3 };
{
int s = tuple_apply( [&]( int x, int y, int z ){ return 100 * x + 10 * y + z; }, tp );
BOOST_TEST_EQ( s, 123 );
}
{
int s = tuple_apply( [&]( int x, int y, int z ){ return 100 * x + 10 * y + z; }, std::move(tp) );
BOOST_TEST_EQ( s, 123 );
}
}
{
std::tuple<int, short, char> const tp{ 1, 2, 3 };
{
int s = tuple_apply( [&]( int x, int y, int z ){ return 100 * x + 10 * y + z; }, tp );
BOOST_TEST_EQ( s, 123 );
}
{
int s = tuple_apply( [&]( int x, int y, int z ){ return 100 * x + 10 * y + z; }, std::move(tp) );
BOOST_TEST_EQ( s, 123 );
}
}
#if defined( __clang_major__ ) && __clang_major__ == 3 && __clang_minor__ < 8
#else
{
std::tuple<std::unique_ptr<int>, std::unique_ptr<int>, std::unique_ptr<int>> tp{ std::unique_ptr<int>(new int(1)), std::unique_ptr<int>(new int(2)), std::unique_ptr<int>(new int(3)) };
int s = tuple_apply( [&]( std::unique_ptr<int> px, std::unique_ptr<int> py, std::unique_ptr<int> pz ){ return 100 * *px + 10 * *py + *pz; }, std::move(tp) );
BOOST_TEST_EQ( s, 123 );
}
#endif
{
std::pair<int, short> tp{ 1, 2 };
{
int s = tuple_apply( [&]( int x, int y ){ return 10 * x + y; }, tp );
BOOST_TEST_EQ( s, 12 );
}
{
int s = tuple_apply( [&]( int x, int y ){ return 10 * x + y; }, std::move(tp) );
BOOST_TEST_EQ( s, 12 );
}
}
{
std::pair<int, short> const tp{ 1, 2 };
{
int s = tuple_apply( [&]( int x, int y ){ return 10 * x + y; }, tp );
BOOST_TEST_EQ( s, 12 );
}
{
int s = tuple_apply( [&]( int x, int y ){ return 10 * x + y; }, std::move(tp) );
BOOST_TEST_EQ( s, 12 );
}
}
{
std::array<int, 3> tp{{ 1, 2, 3 }};
{
int s = tuple_apply( [&]( int x, int y, int z ){ return 100 * x + 10 * y + z; }, tp );
BOOST_TEST_EQ( s, 123 );
}
{
int s = tuple_apply( [&]( int x, int y, int z ){ return 100 * x + 10 * y + z; }, std::move(tp) );
BOOST_TEST_EQ( s, 123 );
}
}
{
std::array<int, 3> const tp{{ 1, 2, 3 }};
{
int s = tuple_apply( [&]( int x, int y, int z ){ return 100 * x + 10 * y + z; }, tp );
BOOST_TEST_EQ( s, 123 );
}
{
int s = tuple_apply( [&]( int x, int y, int z ){ return 100 * x + 10 * y + z; }, std::move(tp) );
BOOST_TEST_EQ( s, 123 );
}
}
{
std::tuple<> tp;
BOOST_TEST_EQ( tuple_apply( []{ return 11; }, tp ), 11 );
BOOST_TEST_EQ( tuple_apply( []{ return 12; }, std::move( tp ) ), 12 );
}
{
std::array<int, 0> tp;
BOOST_TEST_EQ( tuple_apply( []{ return 11; }, tp ), 11 );
BOOST_TEST_EQ( tuple_apply( []{ return 12; }, std::move( tp ) ), 12 );
}
return boost::report_errors();
}
|
