libstdc++
vector
Go to the documentation of this file.
1// <vector> -*- C++ -*-
2
3// Copyright (C) 2001-2025 Free Software Foundation, Inc.
4//
5// This file is part of the GNU ISO C++ Library. This library is free
6// software; you can redistribute it and/or modify it under the
7// terms of the GNU General Public License as published by the
8// Free Software Foundation; either version 3, or (at your option)
9// any later version.
10
11// This library is distributed in the hope that it will be useful,
12// but WITHOUT ANY WARRANTY; without even the implied warranty of
13// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
14// GNU General Public License for more details.
15
16// Under Section 7 of GPL version 3, you are granted additional
17// permissions described in the GCC Runtime Library Exception, version
18// 3.1, as published by the Free Software Foundation.
19
20// You should have received a copy of the GNU General Public License and
21// a copy of the GCC Runtime Library Exception along with this program;
22// see the files COPYING3 and COPYING.RUNTIME respectively. If not, see
23// <http://www.gnu.org/licenses/>.
24
25/*
26 *
27 * Copyright (c) 1994
28 * Hewlett-Packard Company
29 *
30 * Permission to use, copy, modify, distribute and sell this software
31 * and its documentation for any purpose is hereby granted without fee,
32 * provided that the above copyright notice appear in all copies and
33 * that both that copyright notice and this permission notice appear
34 * in supporting documentation. Hewlett-Packard Company makes no
35 * representations about the suitability of this software for any
36 * purpose. It is provided "as is" without express or implied warranty.
37 *
38 *
39 * Copyright (c) 1996
40 * Silicon Graphics Computer Systems, Inc.
41 *
42 * Permission to use, copy, modify, distribute and sell this software
43 * and its documentation for any purpose is hereby granted without fee,
44 * provided that the above copyright notice appear in all copies and
45 * that both that copyright notice and this permission notice appear
46 * in supporting documentation. Silicon Graphics makes no
47 * representations about the suitability of this software for any
48 * purpose. It is provided "as is" without express or implied warranty.
49 */
50
51/** @file include/vector
52 * This is a Standard C++ Library header.
53 */
54
55#ifndef _GLIBCXX_VECTOR
56#define _GLIBCXX_VECTOR 1
57
58#ifdef _GLIBCXX_SYSHDR
59#pragma GCC system_header
60#endif
61
62#include <bits/requires_hosted.h> // container
63
64#include <bits/stl_algobase.h>
65#include <bits/allocator.h>
66#include <bits/stl_construct.h>
67#include <bits/stl_uninitialized.h>
68#include <bits/stl_vector.h>
69#include <bits/stl_bvector.h>
70#include <bits/refwrap.h>
71#include <bits/range_access.h>
72
73#ifndef _GLIBCXX_EXPORT_TEMPLATE
74# include <bits/vector.tcc>
75#endif
76
77#ifdef _GLIBCXX_DEBUG
78# include <debug/vector>
79#endif
80
81#define __glibcxx_want_algorithm_default_value_type
82#define __glibcxx_want_allocator_traits_is_always_equal
83#define __glibcxx_want_constexpr_vector
84#define __glibcxx_want_containers_ranges
85#define __glibcxx_want_erase_if
86#define __glibcxx_want_incomplete_container_elements
87#define __glibcxx_want_nonmember_container_access
88#include <bits/version.h>
89
90#if __cplusplus >= 201703L
91#include <bits/memory_resource.h>
92namespace std _GLIBCXX_VISIBILITY(default)
93{
94_GLIBCXX_BEGIN_NAMESPACE_VERSION
95 namespace pmr {
96 template<typename _Tp>
97 using vector = std::vector<_Tp, polymorphic_allocator<_Tp>>;
98 } // namespace pmr
99# ifdef _GLIBCXX_DEBUG
100 namespace _GLIBCXX_STD_C::pmr {
101 template<typename _Tp>
102 using vector
103 = _GLIBCXX_STD_C::vector<_Tp, std::pmr::polymorphic_allocator<_Tp>>;
104 } // namespace _GLIBCXX_STD_C::pmr
105# endif
106_GLIBCXX_END_NAMESPACE_VERSION
107} // namespace std
108#endif // C++17
109
110#ifdef __cpp_lib_erase_if // C++ >= 20 && HOSTED
111namespace std _GLIBCXX_VISIBILITY(default)
112{
113_GLIBCXX_BEGIN_NAMESPACE_VERSION
114
115 template<typename _Tp, typename _Alloc, typename _Predicate>
116 _GLIBCXX20_CONSTEXPR
117 inline typename vector<_Tp, _Alloc>::size_type
118 erase_if(vector<_Tp, _Alloc>& __cont, _Predicate __pred)
119 {
120 using namespace __gnu_cxx;
121 _GLIBCXX_STD_C::vector<_Tp, _Alloc>& __ucont = __cont;
122 const auto __osz = __cont.size();
123 const auto __end = __ucont.end();
124 auto __removed = std::__remove_if(__ucont.begin(), __end,
125 __ops::__pred_iter(std::ref(__pred)));
126 if (__removed != __end)
127 {
128 __cont.erase(__niter_wrap(__cont.begin(), __removed),
129 __cont.end());
130 return __osz - __cont.size();
131 }
132
133 return 0;
134 }
135
136 template<typename _Tp, typename _Alloc,
137 typename _Up _GLIBCXX26_DEF_VAL_T(_Tp)>
138 _GLIBCXX20_CONSTEXPR
139 inline typename vector<_Tp, _Alloc>::size_type
140 erase(vector<_Tp, _Alloc>& __cont, const _Up& __value)
141 {
142 using namespace __gnu_cxx;
143 _GLIBCXX_STD_C::vector<_Tp, _Alloc>& __ucont = __cont;
144 const auto __osz = __cont.size();
145 const auto __end = __ucont.end();
146 auto __removed = std::__remove_if(__ucont.begin(), __end,
147 __ops::__iter_equals_val(__value));
148 if (__removed != __end)
149 {
150 __cont.erase(__niter_wrap(__cont.begin(), __removed),
151 __cont.end());
152 return __osz - __cont.size();
153 }
154
155 return 0;
156 }
157_GLIBCXX_END_NAMESPACE_VERSION
158} // namespace std
159#endif // __cpp_lib_erase_if
160
161#ifdef __glibcxx_format_ranges // C++ >= 20 && HOSTED
162#include <bits/formatfwd.h>
163
164namespace std _GLIBCXX_VISIBILITY(default)
165{
166_GLIBCXX_BEGIN_NAMESPACE_VERSION
167 // Standard does not constrain accepted _CharT and declares it as formatter
168 // of Tp that statisfies is-vector-bool-reference<T>,
169 template<__format::__char _CharT>
170 struct formatter<_GLIBCXX_STD_C::_Bit_reference, _CharT>
171 {
172 // Standard declares this as template accepting unconstrained
173 // ParseContext type.
174 constexpr typename basic_format_parse_context<_CharT>::iterator
175 parse(basic_format_parse_context<_CharT>& __pc)
176 { return _M_f.template _M_parse<bool>(__pc); }
177
178 // Standard declares this as template accepting unconstrained
179 // FormatContext type.
180 template<typename _Out>
181 typename basic_format_context<_Out, _CharT>::iterator
182 format(const _GLIBCXX_STD_C::_Bit_reference& __u,
183 basic_format_context<_Out, _CharT>& __fc) const
184 { return _M_f.format(static_cast<bool>(__u), __fc); }
185
186 private:
187 __format::__formatter_int<_CharT> _M_f;
188 };
189_GLIBCXX_END_NAMESPACE_VERSION
190} // namespace std
191#endif // __glibcxx_format_ranges
192
193#endif /* _GLIBCXX_VECTOR */