ceph/src/boost/libs/hana/example/functional/arg.cpp

   1 // Copyright Louis Dionne 2013-2016
   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 <boost/hana/functional/arg.hpp>
   6 namespace hana = boost::hana;
   7
   8
   9 // hana::arg<0>(1, '2', 3.3); // static assertion (regardless of the number of arguments)
  10 static_assert(hana::arg<1>(1, '2', 3.3) == 1, "");
  11 static_assert(hana::arg<2>(1, '2', 3.3) == '2', "");
  12 static_assert(hana::arg<3>(1, '2', 3.3) == 3.3, "");
  13 // hana::arg<4>(1, '2', 3.3); // static assertion
  14
  15 int main() { }