1 // Copyright Louis Dionne 2013-2017 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/is_a.hpp> 6 #include <boost/hana/integral_constant.hpp> 7 #include <boost/hana/not.hpp> 8 #include <boost/hana/tuple.hpp> 9 namespace hana = boost::hana; 10 11 12 static_assert(hana::is_a<hana::tuple_tag, decltype(hana::make_tuple(1, '2', 3.3))>, ""); 13 static_assert(!hana::is_a<hana::tuple_tag, void>, ""); 14 static_assert(hana::is_an<hana::integral_constant_tag<int>>(hana::int_c<10>), ""); 15 main()16int main() { } 17