xref: /openbsd-src/gnu/llvm/libcxx/include/experimental/unordered_map (revision 4bdff4bed0e3d54e55670334c7d0077db4170f86)
1// -*- C++ -*-
2//===----------------------------------------------------------------------===//
3//
4// Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.
5// See https://llvm.org/LICENSE.txt for license information.
6// SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
7//
8//===----------------------------------------------------------------------===//
9
10#ifndef _LIBCPP_EXPERIMENTAL_UNORDERED_MAP
11#define _LIBCPP_EXPERIMENTAL_UNORDERED_MAP
12
13/*
14    experimental/unordered_map synopsis
15
16// C++1z
17namespace std {
18namespace experimental {
19inline namespace fundamentals_v1 {
20namespace pmr {
21
22  template <class Key, class T,
23            class Hash = hash<Key>,
24            class Pred = equal_to<Key>>
25  using unordered_map =
26    std::unordered_map<Key, T, Hash, Pred,
27                       polymorphic_allocator<pair<const Key,T>>>;
28
29  template <class Key, class T,
30            class Hash = hash<Key>,
31            class Pred = equal_to<Key>>
32  using unordered_multimap =
33    std::unordered_multimap<Key, T, Hash, Pred,
34                            polymorphic_allocator<pair<const Key,T>>>;
35
36} // namespace pmr
37} // namespace fundamentals_v1
38} // namespace experimental
39} // namespace std
40
41 */
42
43#include <__assert> // all public C++ headers provide the assertion handler
44#include <experimental/__config>
45#include <experimental/memory_resource>
46#include <unordered_map>
47
48#if !defined(_LIBCPP_HAS_NO_PRAGMA_SYSTEM_HEADER)
49#  pragma GCC system_header
50#endif
51
52_LIBCPP_BEGIN_NAMESPACE_LFTS_PMR
53
54#ifndef _LIBCPP_CXX03_LANG
55
56template <class _Key, class _Value,
57          class _Hash = hash<_Key>, class _Pred = equal_to<_Key>>
58using unordered_map = _VSTD::unordered_map<_Key, _Value, _Hash, _Pred,
59                        polymorphic_allocator<pair<const _Key, _Value>>>;
60
61template <class _Key, class _Value,
62          class _Hash = hash<_Key>, class _Pred = equal_to<_Key>>
63using unordered_multimap = _VSTD::unordered_multimap<_Key, _Value, _Hash, _Pred,
64                        polymorphic_allocator<pair<const _Key, _Value>>>;
65
66#endif // _LIBCPP_CXX03_LANG
67
68_LIBCPP_END_NAMESPACE_LFTS_PMR
69
70#if !defined(_LIBCPP_REMOVE_TRANSITIVE_INCLUDES) && _LIBCPP_STD_VER <= 20
71#  include <algorithm>
72#  include <array>
73#  include <bit>
74#  include <functional>
75#  include <vector>
76#endif
77
78#endif /* _LIBCPP_EXPERIMENTAL_UNORDERED_MAP */
79