libstdc++
map
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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>
88 namespace 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
107 namespace 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 */
ISO C++ entities toplevel namespace is std.
A standard container made up of (key,value) pairs, which can be retrieved based on a key...
Definition: stl_map.h:76
A standard container made up of (key,value) pairs, which can be retrieved based on a key...
Definition: stl_map.h:106