1*5f757f3fSDimitry Andric// -*- C++ -*- 2*5f757f3fSDimitry Andric//===----------------------------------------------------------------------===// 3*5f757f3fSDimitry Andric// 4*5f757f3fSDimitry Andric// Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions. 5*5f757f3fSDimitry Andric// See https://llvm.org/LICENSE.txt for license information. 6*5f757f3fSDimitry Andric// SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception 7*5f757f3fSDimitry Andric// 8*5f757f3fSDimitry Andric//===----------------------------------------------------------------------===// 9*5f757f3fSDimitry Andric 10*5f757f3fSDimitry Andricexport namespace std { 11*5f757f3fSDimitry Andric#if _LIBCPP_STD_VER >= 23 12*5f757f3fSDimitry Andric // [expected.unexpected], class template unexpected 13*5f757f3fSDimitry Andric using std::unexpected; 14*5f757f3fSDimitry Andric 15*5f757f3fSDimitry Andric // [expected.bad], class template bad_expected_access 16*5f757f3fSDimitry Andric using std::bad_expected_access; 17*5f757f3fSDimitry Andric 18*5f757f3fSDimitry Andric // in-place construction of unexpected values 19*5f757f3fSDimitry Andric using std::unexpect; 20*5f757f3fSDimitry Andric using std::unexpect_t; 21*5f757f3fSDimitry Andric 22*5f757f3fSDimitry Andric // [expected.expected], class template expected 23*5f757f3fSDimitry Andric using std::expected; 24*5f757f3fSDimitry Andric#endif // _LIBCPP_STD_VER >= 23 25*5f757f3fSDimitry Andric} // namespace std 26