iterable.cpp 734 B

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  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/drop_front.hpp>
  6. #include <boost/hana/equal.hpp>
  7. #include <boost/hana/front.hpp>
  8. #include <boost/hana/is_empty.hpp>
  9. #include <boost/hana/tuple.hpp>
  10. namespace hana = boost::hana;
  11. static_assert(hana::front(hana::make_tuple(1, '2', 3.3)) == 1, "");
  12. static_assert(hana::drop_front(hana::make_tuple(1, '2', 3.3)) == hana::make_tuple('2', 3.3), "");
  13. BOOST_HANA_CONSTANT_CHECK(!hana::is_empty(hana::make_tuple(1, '2', 3.3)));
  14. BOOST_HANA_CONSTANT_CHECK(hana::is_empty(hana::make_tuple()));
  15. int main() { }