ceph/src/boost/libs/hana/test/tuple/special.empty.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/empty.hpp>
   7 #include <boost/hana/equal.hpp>
   8 #include <boost/hana/tuple.hpp>
   9 namespace hana = boost::hana;
  10
  11
  12 int main() {
  13     BOOST_HANA_CONSTANT_CHECK(hana::equal(
  14         hana::empty<hana::tuple_tag>(),
  15         hana::tuple_c<int>
  16     ));
  17     BOOST_HANA_CONSTANT_CHECK(hana::equal(
  18         hana::empty<hana::tuple_tag>(),
  19         hana::tuple_c<long>
  20     ));
  21     BOOST_HANA_CONSTANT_CHECK(hana::equal(
  22         hana::empty<hana::tuple_tag>(),
  23         hana::tuple_c<void>
  24     ));
  25 }