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
|
// class template tuple -*- C++ -*-
// Copyright (C) 2004, 2005, 2006 Free Software Foundation, Inc.
//
// This file is part of the GNU ISO C++ Library. This library is free
// software; you can redistribute it and/or modify it under the
// terms of the GNU General Public License as published by the
// Free Software Foundation; either version 2, or (at your option)
// any later version.
// This library is distributed in the hope that it will be useful,
// but WITHOUT ANY WARRANTY; without even the implied warranty of
// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
// GNU General Public License for more details.
// You should have received a copy of the GNU General Public License along
// with this library; see the file COPYING. If not, write to the Free
// Software Foundation, 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301,
// USA.
// As a special exception, you may use this file as part of a free software
// library without restriction. Specifically, if other files instantiate
// templates or use macros or inline functions from this file, or you compile
// this file and link it with other files to produce an executable, this
// file does not by itself cause the resulting executable to be covered by
// the GNU General Public License. This exception does not however
// invalidate any other reasons why the executable file might be covered by
// the GNU General Public License.
/** @file
* This is an internal header file, included by other library headers.
* You should not attempt to use it directly.
*/
// Chris Jefferson <chris@bubblescope.net>
/// @brief class tuple_size
template<_GLIBCXX_TEMPLATE_PARAMS>
struct tuple_size<tuple<_GLIBCXX_TEMPLATE_ARGS> >
{ static const int value = _GLIBCXX_NUM_ARGS; };
#if _GLIBCXX_NUM_ARGS > 0
template<_GLIBCXX_TEMPLATE_PARAMS>
const int tuple_size<tuple<_GLIBCXX_TEMPLATE_ARGS> >::value;
#endif
template<_GLIBCXX_TEMPLATE_PARAMS>
#ifdef _GLIBCXX_LAST_INCLUDE
class tuple
#else
class tuple<_GLIBCXX_TEMPLATE_ARGS>
#endif
{
_GLIBCXX_BIND_MEMBERS
public:
tuple()
{ }
#if _GLIBCXX_NUM_ARGS == 2
template<typename _U1, typename _U2>
tuple(const std::pair<_U1, _U2>& __u) :
_M_arg1(__u.first), _M_arg2(__u.second)
{ }
template<typename _U1, typename _U2>
tuple&
operator=(const std::pair<_U1, _U2>& __u)
{
_M_arg1 = __u.first;
_M_arg2 = __u.second;
return *this;
}
#endif
#if _GLIBCXX_NUM_ARGS > 0
explicit tuple(_GLIBCXX_TUPLE_ADD_CREF) :
_GLIBCXX_BIND_MEMBERS_INIT
{ }
template<_GLIBCXX_TEMPLATE_PARAMS_U>
tuple(const tuple<_GLIBCXX_TEMPLATE_ARGS_U>& __in) :
_GLIBCXX_TUPLE_COPY_INIT
{ }
template<_GLIBCXX_TEMPLATE_PARAMS_U>
tuple&
operator=(const tuple<_GLIBCXX_TEMPLATE_ARGS_U>& __in)
{
_GLIBCXX_TUPLE_ASSIGN
return *this;
}
tuple(const tuple& __in) :
_GLIBCXX_TUPLE_COPY_INIT
{ }
#else
tuple(const tuple&)
{ }
#endif
tuple&
operator=(const tuple& __in __attribute__((__unused__)) )
{
_GLIBCXX_TUPLE_ASSIGN
return *this;
}
template<int __i, typename __Type>
friend class __get_helper;
template<_GLIBCXX_TUPLE_ALL_TEMPLATE_PARAMS_UNNAMED>
friend class tuple;
};
#ifndef _GLIBCXX_LAST_INCLUDE
template<typename _Tp>
struct __get_helper<_GLIBCXX_NUM_ARGS, _Tp>
{
static typename __add_ref<typename tuple_element<_GLIBCXX_NUM_ARGS,
_Tp>::type>::type
get_value(_Tp& __in)
{ return __in._GLIBCXX_CAT(_M_arg,_GLIBCXX_NUM_ARGS_PLUS_1); }
static typename __add_c_ref<typename tuple_element<_GLIBCXX_NUM_ARGS,
_Tp>::type>::type
get_value(const _Tp& __in)
{ return __in._GLIBCXX_CAT(_M_arg,_GLIBCXX_NUM_ARGS_PLUS_1); }
};
/// @brief class tuple_element
template<_GLIBCXX_TUPLE_ALL_TEMPLATE_PARAMS>
struct tuple_element<_GLIBCXX_NUM_ARGS, tuple<_GLIBCXX_TUPLE_ALL_TEMPLATE_ARGS> >
{ typedef _GLIBCXX_T_NUM_ARGS_PLUS_1 type; };
#endif
#if _GLIBCXX_NUM_ARGS == 0
tuple<>
inline make_tuple()
{ return tuple<>(); }
tuple<>
inline tie()
{ return tuple<>(); }
#else
template<_GLIBCXX_TEMPLATE_PARAMS>
typename __stripped_tuple_type<_GLIBCXX_TEMPLATE_ARGS>::__type
inline make_tuple(_GLIBCXX_PARAMS)
{
return typename __stripped_tuple_type<_GLIBCXX_TEMPLATE_ARGS>::
__type(_GLIBCXX_ARGS);
}
template<_GLIBCXX_TEMPLATE_PARAMS>
tuple<_GLIBCXX_REF_TEMPLATE_ARGS>
inline tie(_GLIBCXX_REF_PARAMS)
{ return make_tuple(_GLIBCXX_REF_WRAP_PARAMS); }
#endif
|
