| // -*- C++ -*- |
| //===----------------------------------------------------------------------===// |
| // |
| // Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions. |
| // See https://llvm.org/LICENSE.txt for license information. |
| // SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception |
| // |
| //===----------------------------------------------------------------------===// |
| |
| // UNSUPPORTED: c++98, c++03, c++11, c++14 |
| |
| // <variant> |
| |
| // struct monostate {}; |
| |
| #include <type_traits> |
| #include <variant> |
| |
| #include "test_macros.h" |
| |
| int main(int, char**) { |
| using M = std::monostate; |
| static_assert(std::is_trivially_default_constructible<M>::value, ""); |
| static_assert(std::is_trivially_copy_constructible<M>::value, ""); |
| static_assert(std::is_trivially_copy_assignable<M>::value, ""); |
| static_assert(std::is_trivially_destructible<M>::value, ""); |
| constexpr M m{}; |
| ((void)m); |
| |
| return 0; |
| } |