ceph/src/boost/libs/hana/example/is_empty.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/is_empty.hpp>
   7 #include <boost/hana/not.hpp>
   8 #include <boost/hana/tuple.hpp>
   9 namespace hana = boost::hana;
  10
  11
  12 BOOST_HANA_CONSTANT_CHECK(!hana::is_empty(hana::make_tuple(1, '2')));
  13 BOOST_HANA_CONSTANT_CHECK( hana::is_empty(hana::make_tuple()));
  14
  15 int main() { }