ceph/src/boost/libs/hana/include/boost/hana/detail/variadic/reverse_apply.hpp

   1 /*!
   2 @file
   3 Defines `boost::hana::detail::variadic::reverse_apply`.
   4
   5 @copyright Louis Dionne 2013-2016
   6 Distributed under the Boost Software License, Version 1.0.
   7 (See accompanying file LICENSE.md or copy at http://boost.org/LICENSE_1_0.txt)
   8  */
   9
  10 #ifndef BOOST_HANA_DETAIL_VARIADIC_REVERSE_APPLY_HPP
  11 #define BOOST_HANA_DETAIL_VARIADIC_REVERSE_APPLY_HPP
  12
  13 #include <boost/hana/config.hpp>
  14 #include <boost/hana/detail/variadic/reverse_apply/unrolled.hpp>
  15
  16
  17 BOOST_HANA_NAMESPACE_BEGIN namespace detail { namespace variadic {
  18     BOOST_HANA_CONSTEXPR_LAMBDA auto reverse_apply =
  19         [](auto&& f, auto&& ...x) -> decltype(auto) {
  20             return detail::variadic::reverse_apply_unrolled(
  21                 static_cast<decltype(f)&&>(f),
  22                 static_cast<decltype(x)&&>(x)...
  23             );
  24         };
  25 }} BOOST_HANA_NAMESPACE_END
  26
  27 #endif // !BOOST_HANA_DETAIL_VARIADIC_REVERSE_APPLY_HPP