less.cpp 771 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/all_of.hpp>
  5. #include <boost/hana/assert.hpp>
  6. #include <boost/hana/integral_constant.hpp>
  7. #include <boost/hana/less.hpp>
  8. #include <boost/hana/not.hpp>
  9. #include <boost/hana/tuple.hpp>
  10. namespace hana = boost::hana;
  11. static_assert(hana::less(1, 4), "");
  12. BOOST_HANA_CONSTANT_CHECK(!hana::less(hana::int_c<3>, hana::int_c<2>));
  13. // less.than is syntactic sugar
  14. static_assert(hana::all_of(hana::tuple_c<int, 1, 2, 3, 4>, hana::less.than(5)), "");
  15. BOOST_HANA_CONSTANT_CHECK(hana::all_of(hana::tuple_c<int, 1, 2, 3, 4>, hana::less_equal.than(hana::int_c<4>)));
  16. int main() { }