2 //===----------------------------------------------------------------------===//
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
8 //===----------------------------------------------------------------------===//
10 #ifndef _LIBCPP_EXPERIMENTAL_UNORDERED_SET
11 #define _LIBCPP_EXPERIMENTAL_UNORDERED_SET
14 experimental/unordered_set synopsis
18 namespace experimental {
19 inline namespace fundamentals_v1 {
22 template <class T, class Hash = hash<T>, class Pred = equal_to<T>>
23 using unordered_set = std::unordered_set<T, Hash, Pred,
24 polymorphic_allocator<T>>;
26 template <class T, class Hash = hash<T>, class Pred = equal_to<T>>
27 using unordered_multiset = std::unordered_multiset<T, Hash, Pred,
28 polymorphic_allocator<T>>;
31 } // namespace fundamentals_v1
32 } // namespace experimental
37 #include <__assert> // all public C++ headers provide the assertion handler
38 #include <experimental/__config>
39 #include <experimental/memory_resource>
40 #include <unordered_set>
42 #if !defined(_LIBCPP_HAS_NO_PRAGMA_SYSTEM_HEADER)
43 # pragma GCC system_header
46 _LIBCPP_BEGIN_NAMESPACE_LFTS_PMR
48 #ifndef _LIBCPP_CXX03_LANG
50 template <class _Value,
51 class _Hash = hash<_Value>, class _Pred = equal_to<_Value>>
52 using unordered_set = _VSTD::unordered_set<_Value, _Hash, _Pred,
53 polymorphic_allocator<_Value>>;
55 template <class _Value,
56 class _Hash = hash<_Value>, class _Pred = equal_to<_Value>>
57 using unordered_multiset = _VSTD::unordered_multiset<_Value, _Hash, _Pred,
58 polymorphic_allocator<_Value>>;
60 #endif // _LIBCPP_CXX03_LANG
62 _LIBCPP_END_NAMESPACE_LFTS_PMR
64 #endif /* _LIBCPP_EXPERIMENTAL_UNORDERED_SET */