union.cpp 832 B

1234567891011121314151617181920212223
  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/equal.hpp>
  6. #include <boost/hana/integral_constant.hpp>
  7. #include <boost/hana/set.hpp>
  8. #include <boost/hana/string.hpp>
  9. #include <boost/hana/type.hpp>
  10. #include <boost/hana/union.hpp>
  11. namespace hana = boost::hana;
  12. using namespace hana::literals;
  13. constexpr auto xs = hana::make_set(hana::int_c<1>, hana::type_c<void>, hana::int_c<2>);
  14. constexpr auto ys = hana::make_set(hana::int_c<2>, hana::type_c<int>, hana::int_c<3>);
  15. BOOST_HANA_CONSTANT_CHECK(hana::union_(xs, ys) == hana::make_set(
  16. hana::int_c<1>, hana::int_c<2>, hana::int_c<3>, hana::type_c<void>, hana::type_c<int>
  17. ));
  18. int main() { }