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/greater.hpp> 7 #include <boost/hana/less.hpp> 8 #include <boost/hana/optional.hpp> 9 namespace hana = boost::hana; 10 11 12 BOOST_HANA_CONSTANT_CHECK(hana::nothing < hana::just(3)); 13 BOOST_HANA_CONSTANT_CHECK(hana::just(0) > hana::nothing); 14 static_assert(hana::just(1) < hana::just(3), ""); 15 static_assert(hana::just(3) > hana::just(2), ""); 16 main()17int main() { } 18