libstdc++
vector
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1 // <vector> -*- C++ -*-
2 
3 // Copyright (C) 2001-2024 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
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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 #pragma GCC system_header
59 
60 #include <bits/requires_hosted.h> // container
61 
62 #include <bits/stl_algobase.h>
63 #include <bits/allocator.h>
64 #include <bits/stl_construct.h>
65 #include <bits/stl_uninitialized.h>
66 #include <bits/stl_vector.h>
67 #include <bits/stl_bvector.h>
68 #include <bits/refwrap.h>
69 #include <bits/range_access.h>
70 
71 #ifndef _GLIBCXX_EXPORT_TEMPLATE
72 # include <bits/vector.tcc>
73 #endif
74 
75 #ifdef _GLIBCXX_DEBUG
76 # include <debug/vector>
77 #endif
78 
79 #define __glibcxx_want_constexpr_vector
80 #define __glibcxx_want_erase_if
81 #define __glibcxx_want_incomplete_container_elements
82 #define __glibcxx_want_nonmember_container_access
83 #include <bits/version.h>
84 
85 #if __cplusplus >= 201703L
86 #include <bits/memory_resource.h>
87 namespace std _GLIBCXX_VISIBILITY(default)
88 {
89 _GLIBCXX_BEGIN_NAMESPACE_VERSION
90  namespace pmr {
91  template<typename _Tp>
92  using vector = std::vector<_Tp, polymorphic_allocator<_Tp>>;
93  } // namespace pmr
94 # ifdef _GLIBCXX_DEBUG
95  namespace _GLIBCXX_STD_C::pmr {
96  template<typename _Tp>
97  using vector
98  = _GLIBCXX_STD_C::vector<_Tp, std::pmr::polymorphic_allocator<_Tp>>;
99  } // namespace _GLIBCXX_STD_C::pmr
100 # endif
101 _GLIBCXX_END_NAMESPACE_VERSION
102 } // namespace std
103 #endif // C++17
104 
105 #ifdef __cpp_lib_erase_if // C++ >= 20 && HOSTED
106 namespace std _GLIBCXX_VISIBILITY(default)
107 {
108 _GLIBCXX_BEGIN_NAMESPACE_VERSION
109 
110  template<typename _Tp, typename _Alloc, typename _Predicate>
111  _GLIBCXX20_CONSTEXPR
112  inline typename vector<_Tp, _Alloc>::size_type
113  erase_if(vector<_Tp, _Alloc>& __cont, _Predicate __pred)
114  {
115  using namespace __gnu_cxx;
116  _GLIBCXX_STD_C::vector<_Tp, _Alloc>& __ucont = __cont;
117  const auto __osz = __cont.size();
118  const auto __end = __ucont.end();
119  auto __removed = std::__remove_if(__ucont.begin(), __end,
120  __ops::__pred_iter(std::ref(__pred)));
121  if (__removed != __end)
122  {
123  __cont.erase(__niter_wrap(__cont.begin(), __removed),
124  __cont.end());
125  return __osz - __cont.size();
126  }
127 
128  return 0;
129  }
130 
131  template<typename _Tp, typename _Alloc, typename _Up>
132  _GLIBCXX20_CONSTEXPR
133  inline typename vector<_Tp, _Alloc>::size_type
134  erase(vector<_Tp, _Alloc>& __cont, const _Up& __value)
135  {
136  using namespace __gnu_cxx;
137  _GLIBCXX_STD_C::vector<_Tp, _Alloc>& __ucont = __cont;
138  const auto __osz = __cont.size();
139  const auto __end = __ucont.end();
140  auto __removed = std::__remove_if(__ucont.begin(), __end,
141  __ops::__iter_equals_val(__value));
142  if (__removed != __end)
143  {
144  __cont.erase(__niter_wrap(__cont.begin(), __removed),
145  __cont.end());
146  return __osz - __cont.size();
147  }
148 
149  return 0;
150  }
151 _GLIBCXX_END_NAMESPACE_VERSION
152 } // namespace std
153 #endif // __cpp_lib_erase_if
154 
155 #endif /* _GLIBCXX_VECTOR */