| // -*- 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 { | 
 |   using std::max_align_t _LIBCPP_USING_IF_EXISTS; | 
 |   using std::nullptr_t; | 
 |   using std::ptrdiff_t _LIBCPP_USING_IF_EXISTS; | 
 |   using std::size_t _LIBCPP_USING_IF_EXISTS; | 
 |  | 
 |   using std::byte; | 
 |  | 
 |   // [support.types.byteops], byte type operations | 
 |   using std::operator<<=; | 
 |   using std::operator<<; | 
 |   using std::operator>>=; | 
 |   using std::operator>>; | 
 |   using std::operator|=; | 
 |   using std::operator|; | 
 |   using std::operator&=; | 
 |   using std::operator&; | 
 |   using std::operator^=; | 
 |   using std::operator^; | 
 |   using std::operator~; | 
 |   using std::to_integer; | 
 | } // namespace std |