ceph/src/boost/libs/hana/example/sequence/iterable.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/drop_front.hpp>
   7 #include <boost/hana/equal.hpp>
   8 #include <boost/hana/front.hpp>
   9 #include <boost/hana/is_empty.hpp>
  10 #include <boost/hana/tuple.hpp>
  11 namespace hana = boost::hana;
  12
  13
  14 static_assert(hana::front(hana::make_tuple(1, '2', 3.3)) == 1, "");
  15 static_assert(hana::drop_front(hana::make_tuple(1, '2', 3.3)) == hana::make_tuple('2', 3.3), "");
  16 BOOST_HANA_CONSTANT_CHECK(!hana::is_empty(hana::make_tuple(1, '2', 3.3)));
  17 BOOST_HANA_CONSTANT_CHECK(hana::is_empty(hana::make_tuple()));
  18
  19 int main() { }