hashable.cpp 609 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/equal.hpp>
  6. #include <boost/hana/hash.hpp>
  7. #include <boost/hana/type.hpp>
  8. namespace hana = boost::hana;
  9. // `hana::hash` is the identity on `hana::type`s.
  10. BOOST_HANA_CONSTANT_CHECK(hana::equal(
  11. hana::hash(hana::type_c<int>),
  12. hana::type_c<int>
  13. ));
  14. BOOST_HANA_CONSTANT_CHECK(hana::equal(
  15. hana::hash(hana::type_c<void>),
  16. hana::type_c<void>
  17. ));
  18. int main() { }