| // -*- 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 { | 
 |   // [stack], class template stack | 
 |   using std::stack; | 
 |  | 
 |   using std::operator==; | 
 |   using std::operator!=; | 
 |   using std::operator<; | 
 |   using std::operator>; | 
 |   using std::operator<=; | 
 |   using std::operator>=; | 
 |   using std::operator<=>; | 
 |  | 
 |   using std::swap; | 
 |   using std::uses_allocator; | 
 | } // namespace std |