xref: /netbsd-src/external/gpl3/gcc/dist/libstdc++-v3/include/std/deque (revision b1e838363e3c6fc78a55519254d99869742dd33c)
1// <deque> -*- 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) 1997
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/deque
52 *  This is a Standard C++ Library header.
53 */
54
55#ifndef _GLIBCXX_DEQUE
56#define _GLIBCXX_DEQUE 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_deque.h>
65#include <bits/refwrap.h>
66#include <bits/range_access.h>
67#include <bits/deque.tcc>
68
69#ifdef _GLIBCXX_DEBUG
70# include <debug/deque>
71#endif
72
73#if __cplusplus >= 201703L
74namespace std _GLIBCXX_VISIBILITY(default)
75{
76_GLIBCXX_BEGIN_NAMESPACE_VERSION
77  namespace pmr
78  {
79    template<typename _Tp> class polymorphic_allocator;
80    template<typename _Tp>
81      using deque = std::deque<_Tp, polymorphic_allocator<_Tp>>;
82  } // namespace pmr
83_GLIBCXX_END_NAMESPACE_VERSION
84} // namespace std
85#endif // C++17
86
87#if __cplusplus > 201703L
88namespace std _GLIBCXX_VISIBILITY(default)
89{
90_GLIBCXX_BEGIN_NAMESPACE_VERSION
91
92#define __cpp_lib_erase_if 202002L
93
94  template<typename _Tp, typename _Alloc, typename _Predicate>
95    inline typename deque<_Tp, _Alloc>::size_type
96    erase_if(deque<_Tp, _Alloc>& __cont, _Predicate __pred)
97    {
98      using namespace __gnu_cxx;
99      _GLIBCXX_STD_C::deque<_Tp, _Alloc>& __ucont = __cont;
100      const auto __osz = __cont.size();
101      const auto __end = __ucont.end();
102      auto __removed = std::__remove_if(__ucont.begin(), __end,
103					__ops::__pred_iter(std::ref(__pred)));
104      if (__removed != __end)
105	{
106	  __cont.erase(__niter_wrap(__cont.begin(), __removed),
107		       __cont.end());
108	  return __osz - __cont.size();
109	}
110
111      return 0;
112    }
113
114  template<typename _Tp, typename _Alloc, typename _Up>
115    inline typename deque<_Tp, _Alloc>::size_type
116    erase(deque<_Tp, _Alloc>& __cont, const _Up& __value)
117    {
118      using namespace __gnu_cxx;
119      _GLIBCXX_STD_C::deque<_Tp, _Alloc>& __ucont = __cont;
120      const auto __osz = __cont.size();
121      const auto __end = __ucont.end();
122      auto __removed = std::__remove_if(__ucont.begin(), __end,
123					__ops::__iter_equals_val(__value));
124      if (__removed != __end)
125	{
126	  __cont.erase(__niter_wrap(__cont.begin(), __removed),
127		       __cont.end());
128	  return __osz - __cont.size();
129	}
130
131      return 0;
132    }
133_GLIBCXX_END_NAMESPACE_VERSION
134} // namespace std
135#endif // C++20
136
137#endif /* _GLIBCXX_DEQUE */
138