move.cpp
4.97 KB
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
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
//////////////////////////////////////////////////////////////////////////////
//
// (C) Copyright David Abrahams, Vicente Botet, Ion Gaztanaga 2009.
// (C) Copyright Ion Gaztanaga 2009-2014.
// 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)
//
// See http://www.boost.org/libs/move for documentation.
//
//////////////////////////////////////////////////////////////////////////////
#include <boost/move/utility_core.hpp>
#include <boost/core/ignore_unused.hpp>
#include "../example/movable.hpp"
#include "../example/copymovable.hpp"
#include <boost/static_assert.hpp>
movable function(movable m)
{
return movable(boost::move(m));
}
movable functionr(BOOST_RV_REF(movable) m)
{
return movable(boost::move(m));
}
movable function2(movable m)
{
return boost::move(m);
}
BOOST_RV_REF(movable) function2r(BOOST_RV_REF(movable) m)
{
return boost::move(m);
}
movable move_return_function2 ()
{
return movable();
}
movable move_return_function ()
{
movable m;
return (boost::move(m));
}
//Catch by value
void function_value(movable)
{}
//Catch by reference
void function_ref(const movable &)
{}
//Catch by reference
void function_ref(BOOST_RV_REF(movable))
{}
movable create_movable()
{ return movable(); }
template<class Type>
struct factory
{
Type operator()() const
{
Type t;
return BOOST_MOVE_RET(Type, t);
}
};
template<class Type>
struct factory<Type &>
{
static Type t;
Type &operator()() const
{
return BOOST_MOVE_RET(Type&, t);
}
};
template<class Type>
Type factory<Type&>::t;
template <class R, class F>
R factory_wrapper(F f)
{
// lock();
R r = f();
// unlock();
return BOOST_MOVE_RET(R, r);
}
int main()
{
#if defined(BOOST_NO_CXX11_RVALUE_REFERENCES)
BOOST_STATIC_ASSERT((boost::has_nothrow_move<movable>::value == true));
BOOST_STATIC_ASSERT((boost::has_move_emulation_enabled<copyable>::value == false));
BOOST_STATIC_ASSERT((boost::has_move_emulation_enabled<copyable*>::value == false));
BOOST_STATIC_ASSERT((boost::has_move_emulation_enabled<int>::value == false));
BOOST_STATIC_ASSERT((boost::has_move_emulation_enabled<int&>::value == false));
BOOST_STATIC_ASSERT((boost::has_move_emulation_enabled<int*>::value == false));
#endif
{
movable m;
movable m2(boost::move(m));
movable m3(function(movable(boost::move(m2))));
movable m4(function(boost::move(m3)));
::boost::ignore_unused(m);::boost::ignore_unused(m2);::boost::ignore_unused(m3);::boost::ignore_unused(m4);
}
{
movable m;
movable m2(boost::move(m));
movable m3(functionr(movable(boost::move(m2))));
movable m4(functionr(boost::move(m3)));
::boost::ignore_unused(m);::boost::ignore_unused(m2);::boost::ignore_unused(m3);::boost::ignore_unused(m4);
}
{
movable m;
movable m2(boost::move(m));
movable m3(function2(movable(boost::move(m2))));
movable m4(function2(boost::move(m3)));
::boost::ignore_unused(m);::boost::ignore_unused(m2);::boost::ignore_unused(m3);::boost::ignore_unused(m4);
}
{
movable m;
movable m2(boost::move(m));
movable m3(function2r(movable(boost::move(m2))));
movable m4(function2r(boost::move(m3)));
::boost::ignore_unused(m);::boost::ignore_unused(m2);::boost::ignore_unused(m3);::boost::ignore_unused(m4);
}
{
movable m;
movable m2(boost::move(m));
movable m3(move_return_function());
::boost::ignore_unused(m);::boost::ignore_unused(m2);::boost::ignore_unused(m3);
}
{
movable m;
movable m2(boost::move(m));
movable m3(move_return_function2());
::boost::ignore_unused(m);::boost::ignore_unused(m2);::boost::ignore_unused(m3);
}
{
//movable
movable m (factory_wrapper<movable>(factory<movable>()));
m = factory_wrapper<movable>(factory<movable>());
movable&mr(factory_wrapper<movable&>(factory<movable&>()));
movable&mr2 = factory_wrapper<movable&>(factory<movable&>());
::boost::ignore_unused(mr);
::boost::ignore_unused(mr2);
::boost::ignore_unused(m);
}
{
//copyable
copyable c (factory_wrapper<copyable>(factory<copyable>()));
c = factory_wrapper<copyable>(factory<copyable>());
copyable&cr(factory_wrapper<copyable&>(factory<copyable&>()));
copyable&cr2 = factory_wrapper<copyable&>(factory<copyable&>());
::boost::ignore_unused(cr);
::boost::ignore_unused(cr2);
::boost::ignore_unused(c);
}
{
//copy_movable
copy_movable c (factory_wrapper<copy_movable>(factory<copy_movable>()));
c = factory_wrapper<copy_movable>(factory<copy_movable>());
copy_movable&cr(factory_wrapper<copy_movable&>(factory<copy_movable&>()));
copy_movable&cr2 = factory_wrapper<copy_movable&>(factory<copy_movable&>());
::boost::ignore_unused(cr);
::boost::ignore_unused(cr2);
::boost::ignore_unused(c);
}
return 0;
}