libs/hana/example/ext/std/integer_sequence/iterable.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 <boost/hana/assert.hpp>
   6 #include <boost/hana/at.hpp>
   7 #include <boost/hana/equal.hpp>
   8 #include <boost/hana/ext/std/integer_sequence.hpp>
   9 #include <boost/hana/ext/std/integral_constant.hpp>
  10
  11 #include <type_traits>
  12 #include <utility>
  13 namespace hana = boost::hana;
  14
  15
  16 constexpr std::integer_sequence<int, 0, 1, 2, 3, 4> indices{};
  17
  18 BOOST_HANA_CONSTANT_CHECK(hana::equal(
  19     hana::at_c<2>(indices),
  20     std::integral_constant<int, 2>{}
  21 ));
  22
  23 int main() { }