1 //===----------------------------------------------------------------------===// 2 // 3 // Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions. 4 // See https://llvm.org/LICENSE.txt for license information. 5 // SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception 6 // 7 //===----------------------------------------------------------------------===// 8 9 // UNSUPPORTED: c++03, c++11, c++14, c++17, c++20 10 11 // Make sure std::bad_expected_access<E> inherits from std::bad_expected_access<void>. 12 13 #include <expected> 14 #include <type_traits> 15 16 struct Foo {}; 17 18 static_assert(std::is_base_of_v<std::bad_expected_access<void>, std::bad_expected_access<int>>); 19 static_assert(std::is_base_of_v<std::bad_expected_access<void>, std::bad_expected_access<Foo>>); 20