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// constexpr unexpected(const unexpected&) = default;
12
13#include <cassert>
14#include <expected>
15
16struct Error {
17 int i;
18 constexpr Error(int ii) : i(ii) {}
19};
20
21constexpr bool test() {
22 const std::unexpected<Error> unex(5);
23 auto unex2 = unex;
24 assert(unex2.error().i == 5);
25 return true;
26}
27
28int main(int, char**) {
29 test();
30 static_assert(test());
31 return 0;
32}
33

source code of libcxx/test/std/utilities/expected/expected.unexpected/ctor/ctor.copy.pass.cpp