| // -*- C++ -*- | 
 | //===----------------------------------------------------------------------===// | 
 | // | 
 | // Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions. | 
 | // See https://llvm.org/LICENSE.txt for license information. | 
 | // SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception | 
 | // | 
 | //===----------------------------------------------------------------------===// | 
 |  | 
 | export namespace std { | 
 |   // [unord.set], class template unordered_set | 
 |   using std::unordered_set; | 
 |  | 
 |   // [unord.multiset], class template unordered_multiset | 
 |   using std::unordered_multiset; | 
 |  | 
 |   using std::operator==; | 
 |  | 
 |   using std::swap; | 
 |  | 
 |   // [unord.set.erasure], erasure for unordered_set | 
 |   using std::erase_if; | 
 |  | 
 |   namespace pmr { | 
 |     using std::pmr::unordered_multiset; | 
 |     using std::pmr::unordered_set; | 
 |   } // namespace pmr | 
 | } // namespace std |