ceph/src/boost/libs/hana/example/at.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/at.hpp>
   6 #include <boost/hana/integral_constant.hpp>
   7 #include <boost/hana/tuple.hpp>
   8 namespace hana = boost::hana;
   9
  10
  11 constexpr auto xs = hana::make_tuple(0, '1', 2.0);
  12
  13 static_assert(hana::at(xs, hana::size_c<0>) == 0, "");
  14 static_assert(hana::at(xs, hana::size_c<1>) == '1', "");
  15 static_assert(hana::at(xs, hana::size_c<2>) == 2.0, "");
  16
  17 int main() { }