| 1 | // Copyright Louis Dionne 2013-2022 |
|---|---|
| 2 | // Distributed under the Boost Software License, Version 1.0. |
| 3 | // (See accompanying file LICENSE.md or copy at http://boost.org/LICENSE_1_0.txt) |
| 4 | |
| 5 | #include <boost/hana/assert.hpp> |
| 6 | #include <boost/hana/ext/std/integral_constant.hpp> |
| 7 | #include <boost/hana/not.hpp> |
| 8 | #include <boost/hana/type.hpp> |
| 9 | |
| 10 | #include <type_traits> |
| 11 | namespace hana = boost::hana; |
| 12 | |
| 13 | |
| 14 | constexpr auto is_void = hana::integral(hana::metafunction<std::is_void>); |
| 15 | BOOST_HANA_CONSTANT_CHECK(is_void(hana::type_c<void>)); |
| 16 | BOOST_HANA_CONSTANT_CHECK(hana::not_(is_void(hana::type_c<int>))); |
| 17 | |
| 18 | int main() { } |
| 19 |