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/at.hpp> 6 #include <boost/hana/integral_constant.hpp> 7 #include <boost/hana/tuple.hpp> 8 namespace hana = boost::hana; 9 10 11 constexpr auto xs = hana::make_tuple(0, '1', 2.0); 12 13 static_assert(hana::at(xs, hana::size_t<0>{}) == 0, ""); 14 static_assert(hana::at(xs, hana::size_t<1>{}) == '1', ""); 15 static_assert(hana::at(xs, hana::size_t<2>{}) == 2.0, ""); 16 main()17int main() { } 18