// 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 #include #include #include #include #include namespace hana = boost::hana; static_assert(hana::front(hana::make_tuple(1, '2', 3.3)) == 1, ""); static_assert(hana::drop_front(hana::make_tuple(1, '2', 3.3)) == hana::make_tuple('2', 3.3), ""); BOOST_HANA_CONSTANT_CHECK(!hana::is_empty(hana::make_tuple(1, '2', 3.3))); BOOST_HANA_CONSTANT_CHECK(hana::is_empty(hana::make_tuple())); int main() { }