if.cpp 653 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/bool.hpp>
  5. #include <boost/hana/equal.hpp>
  6. #include <boost/hana/if.hpp>
  7. #include <boost/hana/tuple.hpp>
  8. namespace hana = boost::hana;
  9. static_assert(hana::if_(true, 1, 2) == 1, "");
  10. static_assert(hana::if_(false, 1, 2) == 2, "");
  11. static_assert(
  12. hana::if_(hana::true_c,
  13. hana::make_tuple('t', 'r', 'u', 'e'),
  14. hana::make_tuple('f', 'a', 'l', 's', 'e')
  15. )
  16. ==
  17. hana::make_tuple('t', 'r', 'u', 'e')
  18. , "");
  19. int main() { }