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/assert.hpp> 6 #include <boost/hana/core/to.hpp> 7 #include <boost/hana/equal.hpp> 8 #include <boost/hana/integral_constant.hpp> 9 #include <boost/hana/optional.hpp> 10 #include <boost/hana/range.hpp> 11 #include <boost/hana/tuple.hpp> 12 namespace hana = boost::hana; 13 14 main()15int main() { 16 static_assert(hana::to<hana::tuple_tag>(hana::just(1)) == hana::make_tuple(1), ""); 17 BOOST_HANA_CONSTANT_CHECK(hana::to<hana::tuple_tag>(hana::nothing) == hana::make_tuple()); 18 19 BOOST_HANA_CONSTANT_CHECK( 20 hana::to<hana::tuple_tag>(hana::make_range(hana::int_c<3>, hana::int_c<6>)) 21 == 22 hana::tuple_c<int, 3, 4, 5> 23 ); 24 } 25