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
16struct Foo {};
17
18static_assert(std::is_base_of_v<std::bad_expected_access<void>, std::bad_expected_access<int>>);
19static_assert(std::is_base_of_v<std::bad_expected_access<void>, std::bad_expected_access<Foo>>);
20

source code of libcxx/test/std/utilities/expected/expected.bad/base.compile.pass.cpp