to.cpp 788 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 "minimal.hpp"
  5. #include <boost/hana/concept/constant.hpp>
  6. #include <boost/hana/core/to.hpp>
  7. namespace hana = boost::hana;
  8. static_assert(hana::is_convertible<minimal_constant_tag<bool>, bool>::value, "");
  9. static_assert(hana::to<bool>(minimal_constant<bool, true>{}) == true, "");
  10. static_assert(hana::is_convertible<minimal_constant_tag<int>, int>::value, "");
  11. static_assert(hana::to<int>(minimal_constant<int, 1>{}) == 1, "");
  12. static_assert(hana::is_convertible<minimal_constant_tag<long>, long>::value, "");
  13. static_assert(hana::to<long>(minimal_constant<long, 1>{}) == 1l, "");
  14. int main() { }