iterable.cpp 973 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/back.hpp>
  6. #include <boost/hana/drop_front.hpp>
  7. #include <boost/hana/equal.hpp>
  8. #include <boost/hana/front.hpp>
  9. #include <boost/hana/integral_constant.hpp>
  10. #include <boost/hana/is_empty.hpp>
  11. #include <boost/hana/not.hpp>
  12. #include <boost/hana/range.hpp>
  13. namespace hana = boost::hana;
  14. constexpr auto r = hana::make_range(hana::int_c<0>, hana::int_c<1000>);
  15. BOOST_HANA_CONSTANT_CHECK(hana::front(r) == hana::int_c<0>);
  16. BOOST_HANA_CONSTANT_CHECK(hana::back(r) == hana::int_c<999>);
  17. BOOST_HANA_CONSTANT_CHECK(hana::drop_front(r) == hana::make_range(hana::int_c<1>, hana::int_c<1000>));
  18. BOOST_HANA_CONSTANT_CHECK(!hana::is_empty(r));
  19. BOOST_HANA_CONSTANT_CHECK(hana::is_empty(hana::make_range(hana::int_c<3>, hana::int_c<3>)));
  20. int main() { }