// Copyright Louis Dionne 2013-2017 // Distributed under the Boost Software License, Version 1.0. // (See accompanying file LICENSE.md or copy at http://boost.org/LICENSE_1_0.txt) #include namespace hana = boost::hana; // hana::arg<0>(1, '2', 3.3); // static assertion (regardless of the number of arguments) static_assert(hana::arg<1>(1, '2', 3.3) == 1, ""); static_assert(hana::arg<2>(1, '2', 3.3) == '2', ""); static_assert(hana::arg<3>(1, '2', 3.3) == 3.3, ""); // hana::arg<4>(1, '2', 3.3); // static assertion int main() { }