at.cpp 561 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/at.hpp>
  5. #include <boost/hana/integral_constant.hpp>
  6. #include <boost/hana/tuple.hpp>
  7. namespace hana = boost::hana;
  8. constexpr auto xs = hana::make_tuple(0, '1', 2.0);
  9. static_assert(hana::at(xs, hana::size_t<0>{}) == 0, "");
  10. static_assert(hana::at(xs, hana::size_t<1>{}) == '1', "");
  11. static_assert(hana::at(xs, hana::size_t<2>{}) == 2.0, "");
  12. int main() { }