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      1 // -*- C++ -*-
      2 //===------------------------- unordered_set ------------------------------===//
      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_SET
     11 #define _LIBCPP_EXPERIMENTAL_UNORDERED_SET
     12 /*
     13     experimental/unordered_set synopsis
     14 
     15 // C++1z
     16 namespace std {
     17 namespace experimental {
     18 inline namespace fundamentals_v1 {
     19 namespace pmr {
     20 
     21   template <class T, class Hash = hash<T>, class Pred = equal_to<T>>
     22   using unordered_set = std::unordered_set<T, Hash, Pred,
     23                        polymorphic_allocator<T>>;
     24 
     25   template <class T, class Hash = hash<T>, class Pred = equal_to<T>>
     26   using unordered_multiset = std::unordered_multiset<T, Hash, Pred,
     27                        polymorphic_allocator<T>>;
     28 
     29 } // namespace pmr
     30 } // namespace fundamentals_v1
     31 } // namespace experimental
     32 } // namespace std
     33 
     34  */
     35 
     36 #include <experimental/__config>
     37 #include <unordered_set>
     38 #include <experimental/memory_resource>
     39 
     40 #if !defined(_LIBCPP_HAS_NO_PRAGMA_SYSTEM_HEADER)
     41 #pragma GCC system_header
     42 #endif
     43 
     44 _LIBCPP_BEGIN_NAMESPACE_LFTS_PMR
     45 
     46 template <class _Value,
     47           class _Hash = hash<_Value>, class _Pred = equal_to<_Value>>
     48 using unordered_set = _VSTD::unordered_set<_Value, _Hash, _Pred,
     49                         polymorphic_allocator<_Value>>;
     50 
     51 template <class _Value,
     52           class _Hash = hash<_Value>, class _Pred = equal_to<_Value>>
     53 using unordered_multiset = _VSTD::unordered_multiset<_Value, _Hash, _Pred,
     54                         polymorphic_allocator<_Value>>;
     55 
     56 _LIBCPP_END_NAMESPACE_LFTS_PMR
     57 
     58 #endif /* _LIBCPP_EXPERIMENTAL_UNORDERED_SET */
     59