1// -*- C++ -*- 2//===----------------------------------------------------------------------===// 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 10export namespace std { 11#if 0 12# if _LIBCPP_STD_VER >= 23 13 using std::text_encoding; 14 15 // hash support 16 using std::hash; 17# endif // _LIBCPP_STD_VER >= 23 18#endif 19} // namespace std 20