ceph/src/boost/libs/hana/example/set/union.cpp

   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/integral_constant.hpp>
   8 #include <boost/hana/set.hpp>
   9 #include <boost/hana/string.hpp>
  10 #include <boost/hana/type.hpp>
  11 #include <boost/hana/union.hpp>
  12 namespace hana = boost::hana;
  13 using namespace hana::literals;
  14
  15
  16 constexpr auto xs = hana::make_set(hana::int_c<1>, hana::type_c<void>, hana::int_c<2>);
  17 constexpr auto ys = hana::make_set(hana::int_c<2>, hana::type_c<int>, hana::int_c<3>);
  18
  19 BOOST_HANA_CONSTANT_CHECK(hana::union_(xs, ys) == hana::make_set(
  20     hana::int_c<1>, hana::int_c<2>, hana::int_c<3>, hana::type_c<void>, hana::type_c<int>
  21 ));
  22
  23 int main() { }