ceph/src/boost/libs/hana/test/concept/constant/to.cpp

   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
   5 #include "minimal.hpp"
   6
   7 #include <boost/hana/concept/constant.hpp>
   8 #include <boost/hana/core/to.hpp>
   9 namespace hana = boost::hana;
  10
  11
  12 static_assert(hana::is_convertible<minimal_constant_tag<bool>, bool>::value, "");
  13 static_assert(hana::to<bool>(minimal_constant<bool, true>{}) == true, "");
  14
  15 static_assert(hana::is_convertible<minimal_constant_tag<int>, int>::value, "");
  16 static_assert(hana::to<int>(minimal_constant<int, 1>{}) == 1, "");
  17
  18 static_assert(hana::is_convertible<minimal_constant_tag<long>, long>::value, "");
  19 static_assert(hana::to<long>(minimal_constant<long, 1>{}) == 1l, "");
  20
  21 int main() { }