libstdc++
vector
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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>
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_erase_if
85#define __glibcxx_want_incomplete_container_elements
86#define __glibcxx_want_nonmember_container_access
87#include <bits/version.h>
88
89#if __cplusplus >= 201703L
91namespace std _GLIBCXX_VISIBILITY(default)
92{
93_GLIBCXX_BEGIN_NAMESPACE_VERSION
94 namespace pmr {
95 template<typename _Tp>
97 } // namespace pmr
98# ifdef _GLIBCXX_DEBUG
99 namespace _GLIBCXX_STD_C::pmr {
100 template<typename _Tp>
101 using vector
102 = _GLIBCXX_STD_C::vector<_Tp, std::pmr::polymorphic_allocator<_Tp>>;
103 } // namespace _GLIBCXX_STD_C::pmr
104# endif
105_GLIBCXX_END_NAMESPACE_VERSION
106} // namespace std
107#endif // C++17
108
109#ifdef __cpp_lib_erase_if // C++ >= 20 && HOSTED
110namespace std _GLIBCXX_VISIBILITY(default)
111{
112_GLIBCXX_BEGIN_NAMESPACE_VERSION
113
114 template<typename _Tp, typename _Alloc, typename _Predicate>
115 _GLIBCXX20_CONSTEXPR
116 inline typename vector<_Tp, _Alloc>::size_type
117 erase_if(vector<_Tp, _Alloc>& __cont, _Predicate __pred)
118 {
119 using namespace __gnu_cxx;
120 _GLIBCXX_STD_C::vector<_Tp, _Alloc>& __ucont = __cont;
121 const auto __osz = __cont.size();
122 const auto __end = __ucont.end();
123 auto __removed = std::__remove_if(__ucont.begin(), __end,
124 __ops::__pred_iter(std::ref(__pred)));
125 if (__removed != __end)
126 {
127 __cont.erase(__niter_wrap(__cont.begin(), __removed),
128 __cont.end());
129 return __osz - __cont.size();
130 }
131
132 return 0;
133 }
134
135 template<typename _Tp, typename _Alloc,
136 typename _Up _GLIBCXX26_DEF_VAL_T(_Tp)>
137 _GLIBCXX20_CONSTEXPR
138 inline typename vector<_Tp, _Alloc>::size_type
139 erase(vector<_Tp, _Alloc>& __cont, const _Up& __value)
140 {
141 using namespace __gnu_cxx;
142 _GLIBCXX_STD_C::vector<_Tp, _Alloc>& __ucont = __cont;
143 const auto __osz = __cont.size();
144 const auto __end = __ucont.end();
145 auto __removed = std::__remove_if(__ucont.begin(), __end,
146 __ops::__iter_equals_val(__value));
147 if (__removed != __end)
148 {
149 __cont.erase(__niter_wrap(__cont.begin(), __removed),
150 __cont.end());
151 return __osz - __cont.size();
152 }
153
154 return 0;
155 }
156_GLIBCXX_END_NAMESPACE_VERSION
157} // namespace std
158#endif // __cpp_lib_erase_if
159
160#endif /* _GLIBCXX_VECTOR */
ISO C++ entities toplevel namespace is std.
GNU extensions for public use.
A standard container which offers fixed time access to individual elements in any order.
Definition stl_vector.h:456