| // -*- 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 { |
| #if _LIBCPP_STD_VER >= 23 |
| // [expected.unexpected], class template unexpected |
| using std::unexpected; |
| |
| // [expected.bad], class template bad_expected_access |
| using std::bad_expected_access; |
| |
| // in-place construction of unexpected values |
| using std::unexpect; |
| using std::unexpect_t; |
| |
| // [expected.expected], class template expected |
| using std::expected; |
| #endif // _LIBCPP_STD_VER >= 23 |
| } // namespace std |
