/* @copyright Louis Dionne 2015 Distributed under the Boost Software License, Version 1.0. (See accompanying file LICENSE.md or copy at http://boost.org/LICENSE_1_0.txt) */ //! [main] #include #include // still required to create a tuple namespace hana = boost::hana; int main() { constexpr std::tuple xs{1, '2', 3.0f}; static_assert(hana::front(xs) == 1, ""); } //! [main]