| 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/core/tag_of.hpp> |
| 6 | #include <boost/hana/ext/std/integral_constant.hpp> |
| 7 | #include <boost/hana/integral_constant.hpp> |
| 8 | |
| 9 | #include <type_traits> |
| 10 | namespace hana = boost::hana; |
| 11 | |
| 12 | |
| 13 | // Make sure we have the right tag, even when including ext/std/integral_constant.hpp |
| 14 | static_assert(std::is_same< |
| 15 | hana::tag_of_t<hana::integral_constant<int, 10>>, |
| 16 | hana::integral_constant_tag<int> |
| 17 | >{}, ""); |
| 18 | |
| 19 | struct derived : hana::integral_constant<int, 10> { }; |
| 20 | static_assert(std::is_same< |
| 21 | hana::tag_of_t<derived>, |
| 22 | hana::integral_constant_tag<int> |
| 23 | >{}, ""); |
| 24 | |
| 25 | |
| 26 | int main() { } |
| 27 |