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(unexpected&&) = default;
12
13#include <cassert>
14#include <expected>
15#include <utility>
16
17struct Error {
18 int i;
19 constexpr Error(int ii) : i(ii) {}
20 constexpr Error(Error&& other) : i(other.i) {other.i = 0;}
21};
22
23constexpr bool test() {
24 std::unexpected<Error> unex(5);
25 auto unex2 = std::move(unex);
26 assert(unex2.error().i == 5);
27 assert(unex.error().i == 0);
28 return true;
29}
30
31int main(int, char**) {
32 test();
33 static_assert(test());
34 return 0;
35}
36

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