ceph/src/boost/libs/hana/example/set/to.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/assert.hpp>
   6 #include <boost/hana/core/to.hpp>
   7 #include <boost/hana/equal.hpp>
   8 #include <boost/hana/integral_constant.hpp>
   9 #include <boost/hana/set.hpp>
  10 #include <boost/hana/tuple.hpp>
  11 #include <boost/hana/type.hpp>
  12 namespace hana = boost::hana;
  13
  14
  15 int main() {
  16     constexpr auto xs = hana::make_tuple(
  17         hana::int_c<1>,
  18         hana::int_c<3>,
  19         hana::type_c<int>,
  20         hana::long_c<1>
  21     );
  22
  23     BOOST_HANA_CONSTANT_CHECK(
  24         hana::to<hana::set_tag>(xs)
  25             ==
  26         hana::make_set(hana::int_c<1>, hana::int_c<3>, hana::type_c<int>)
  27     );
  28 }