orderable.cpp 578 B

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