1//===----------------------------------------------------------------------===//
2// Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.
3// See https://llvm.org/LICENSE.txt for license information.
4// SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
5//
6//===----------------------------------------------------------------------===//
7
8// UNSUPPORTED: c++03, c++11, c++14, c++17, c++20
9
10// constexpr unexpected(unexpected&&) = default;
11
12#include <cassert>
13#include <expected>
14#include <utility>
15
16struct Error {
17 int i;
18 constexpr Error(int ii) : i(ii) {}
19 constexpr Error(Error&& other) : i(other.i) {other.i = 0;}
20};
21
22constexpr bool test() {
23 std::unexpected<Error> unex(5);
24 auto unex2 = std::move(unex);
25 assert(unex2.error().i == 5);
26 assert(unex.error().i == 0);
27 return true;
28}
29
30int main(int, char**) {
31 test();
32 static_assert(test());
33 return 0;
34}
35

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