xref: /netbsd-src/external/gpl3/gcc/dist/libstdc++-v3/include/std/vector (revision b1e838363e3c6fc78a55519254d99869742dd33c)
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
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#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
78namespace 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
98namespace 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 */
150