libstdc++: map Source File

libstdc++

map
Go to the documentation of this file.
1// <map> -*- C++ -*-
2
3// Copyright (C) 2001-2026 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) 1996,1997
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/map
52 * This is a Standard C++ Library header.
53 */
54
55#ifndef _GLIBCXX_MAP
56#define _GLIBCXX_MAP 1
57
58#ifdef _GLIBCXX_SYSHDR
59#pragma GCC system_header
60#endif
61
62#include <bits/requires_hosted.h> // containers
63
64#include <bits/stl_tree.h>
65#include <bits/stl_map.h>
66#include <bits/stl_multimap.h>
67#include <bits/range_access.h>
68#include <bits/erase_if.h>
69
70#ifdef _GLIBCXX_DEBUG
71# include <debug/map>
72#endif
73
74#define __glibcxx_want_allocator_traits_is_always_equal
75#define __glibcxx_want_containers_ranges
76#define __glibcxx_want_erase_if
77#define __glibcxx_want_generic_associative_lookup
78#define __glibcxx_want_map_try_emplace
79#define __glibcxx_want_node_extract
80#define __glibcxx_want_nonmember_container_access
81#define __glibcxx_want_tuple_like
82#define __glibcxx_want_associative_heterogeneous_erasure
83#define __glibcxx_want_associative_heterogeneous_insertion
84#include <bits/version.h>
85
86#if __cplusplus >= 201703L
87#include <bits/memory_resource.h>
88namespace std _GLIBCXX_VISIBILITY(default)
89{
90_GLIBCXX_BEGIN_NAMESPACE_VERSION
91 namespace pmr
92 {
93 template<typename _Key, typename _Tp, typename _Cmp = std::less<_Key>>
94 using map
95 = std::map<_Key, _Tp, _Cmp,
96 polymorphic_allocator<pair<const _Key, _Tp>>>;
97 template<typename _Key, typename _Tp, typename _Cmp = std::less<_Key>>
98 using multimap
99 = std::multimap<_Key, _Tp, _Cmp,
100 polymorphic_allocator<pair<const _Key, _Tp>>>;
101 } // namespace pmr
102_GLIBCXX_END_NAMESPACE_VERSION
103} // namespace std
104#endif // C++17
105
106#ifdef __cpp_lib_erase_if // C++ >= 20 && HOSTED
107namespace std _GLIBCXX_VISIBILITY(default)
108{
109_GLIBCXX_BEGIN_NAMESPACE_VERSION
110 template<typename _Key, typename _Tp, typename _Compare, typename _Alloc,
111 typename _Predicate>
112 inline typename _GLIBCXX_STD_C::map<_Key, _Tp, _Compare, _Alloc>::size_type
113 erase_if(_GLIBCXX_STD_C::map<_Key, _Tp, _Compare, _Alloc>& __cont,
114 _Predicate __pred)
115 { return __detail::__erase_nodes_if(__cont, __cont, __pred); }
116
117 template<typename _Key, typename _Tp, typename _Compare, typename _Alloc,
118 typename _Predicate>
119 inline typename _GLIBCXX_STD_C::multimap<_Key, _Tp,
120 _Compare, _Alloc>::size_type
121 erase_if(_GLIBCXX_STD_C::multimap<_Key, _Tp, _Compare, _Alloc>& __cont,
122 _Predicate __pred)
123 { return __detail::__erase_nodes_if(__cont, __cont, __pred); }
124_GLIBCXX_END_NAMESPACE_VERSION
125} // namespace std
126#endif // __cpp_lib_erase_if
127
128#endif /* _GLIBCXX_MAP */
range_access.h
version.h
erase_if.h
memory_resource.h
requires_hosted.h
stl_map.h
stl_multimap.h
stl_tree.h
std
ISO C++ entities toplevel namespace is std.
std::pmr::polymorphic_allocator
Class template polymorphic_allocator.
Definition memory_resource.h:123
map