libstdc++
vector
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1 // <vector> -*- C++ -*-
2 
3 // Copyright (C) 2001-2022 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 
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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/stl_algobase.h>
61 #include <bits/allocator.h>
62 #include <bits/stl_construct.h>
63 #include <bits/stl_uninitialized.h>
64 #include <bits/stl_vector.h>
65 #include <bits/stl_bvector.h>
66 #include <bits/refwrap.h>
67 #include <bits/range_access.h>
68 
69 #ifndef _GLIBCXX_EXPORT_TEMPLATE
70 # include <bits/vector.tcc>
71 #endif
72 
73 #ifdef _GLIBCXX_DEBUG
74 # include <debug/vector>
75 #endif
76 
77 #if __cplusplus >= 201703L
78 namespace std _GLIBCXX_VISIBILITY(default)
79 {
80 _GLIBCXX_BEGIN_NAMESPACE_VERSION
81  namespace pmr {
82  template<typename _Tp> class polymorphic_allocator;
83  template<typename _Tp>
84  using vector = std::vector<_Tp, polymorphic_allocator<_Tp>>;
85  } // namespace pmr
86 # ifdef _GLIBCXX_DEBUG
87  namespace _GLIBCXX_STD_C::pmr {
88  template<typename _Tp>
89  using vector
90  = _GLIBCXX_STD_C::vector<_Tp, std::pmr::polymorphic_allocator<_Tp>>;
91  } // namespace _GLIBCXX_STD_C::pmr
92 # endif
93 _GLIBCXX_END_NAMESPACE_VERSION
94 } // namespace std
95 #endif // C++17
96 
97 #if __cplusplus > 201703L
98 namespace std _GLIBCXX_VISIBILITY(default)
99 {
100 _GLIBCXX_BEGIN_NAMESPACE_VERSION
101 
102 #define __cpp_lib_erase_if 202002L
103 
104  template<typename _Tp, typename _Alloc, typename _Predicate>
105  _GLIBCXX20_CONSTEXPR
106  inline typename vector<_Tp, _Alloc>::size_type
107  erase_if(vector<_Tp, _Alloc>& __cont, _Predicate __pred)
108  {
109  using namespace __gnu_cxx;
110  _GLIBCXX_STD_C::vector<_Tp, _Alloc>& __ucont = __cont;
111  const auto __osz = __cont.size();
112  const auto __end = __ucont.end();
113  auto __removed = std::__remove_if(__ucont.begin(), __end,
114  __ops::__pred_iter(std::ref(__pred)));
115  if (__removed != __end)
116  {
117  __cont.erase(__niter_wrap(__cont.begin(), __removed),
118  __cont.end());
119  return __osz - __cont.size();
120  }
121 
122  return 0;
123  }
124 
125  template<typename _Tp, typename _Alloc, typename _Up>
126  _GLIBCXX20_CONSTEXPR
127  inline typename vector<_Tp, _Alloc>::size_type
128  erase(vector<_Tp, _Alloc>& __cont, const _Up& __value)
129  {
130  using namespace __gnu_cxx;
131  _GLIBCXX_STD_C::vector<_Tp, _Alloc>& __ucont = __cont;
132  const auto __osz = __cont.size();
133  const auto __end = __ucont.end();
134  auto __removed = std::__remove_if(__ucont.begin(), __end,
135  __ops::__iter_equals_val(__value));
136  if (__removed != __end)
137  {
138  __cont.erase(__niter_wrap(__cont.begin(), __removed),
139  __cont.end());
140  return __osz - __cont.size();
141  }
142 
143  return 0;
144  }
145 _GLIBCXX_END_NAMESPACE_VERSION
146 } // namespace std
147 #endif // C++20
148 
149 #endif /* _GLIBCXX_VECTOR */