ceph/src/boost/libs/hana/example/less.cpp

   1 // Copyright Louis Dionne 2013-2016
   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/all_of.hpp>
   6 #include <boost/hana/assert.hpp>
   7 #include <boost/hana/integral_constant.hpp>
   8 #include <boost/hana/less.hpp>
   9 #include <boost/hana/not.hpp>
  10 #include <boost/hana/tuple.hpp>
  11 namespace hana = boost::hana;
  12
  13
  14 static_assert(hana::less(1, 4), "");
  15 BOOST_HANA_CONSTANT_CHECK(!hana::less(hana::int_c<3>, hana::int_c<2>));
  16
  17 // less.than is syntactic sugar
  18 static_assert(hana::all_of(hana::tuple_c<int, 1, 2, 3, 4>, hana::less.than(5)), "");
  19 BOOST_HANA_CONSTANT_CHECK(hana::all_of(hana::tuple_c<int, 1, 2, 3, 4>, hana::less_equal.than(hana::int_c<4>)));
  20
  21 int main() { }