// Copyright Louis Dionne 2013-2016 // 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 namespace hana = boost::hana; int main() { static_assert(hana::just('x').value() == 'x', ""); BOOST_HANA_CONSTANT_CHECK(*hana::just(hana::type_c) == hana::type_c); BOOST_HANA_RUNTIME_CHECK(hana::just(std::string{"abcd"})->size() == 4); // hana::nothing.value(); // compile-time error }