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/assert.hpp> 6 #include <boost/hana/equal.hpp> 7 #include <boost/hana/not_equal.hpp> 8 #include <boost/hana/optional.hpp> 9 namespace hana = boost::hana; 10 11 12 BOOST_HANA_CONSTANT_CHECK(hana::nothing == hana::nothing); 13 static_assert(hana::just('x') == hana::just('x'), ""); 14 static_assert(hana::just('x') != hana::just('y'), ""); 15 BOOST_HANA_CONSTANT_CHECK(hana::just('x') != hana::nothing); 16 main()17int main() { } 18