ceph/src/boost/libs/hana/include/boost/hana/detail/dependent_on.hpp

   1 /*!
   2 @file
   3 Defines `boost::hana::detail::dependent_on`.
   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_DEPENDENT_ON_HPP
  11 #define BOOST_HANA_DETAIL_DEPENDENT_ON_HPP
  12
  13 #include <boost/hana/config.hpp>
  14
  15
  16 BOOST_HANA_NAMESPACE_BEGIN namespace detail {
  17     template <bool dummy, typename T>
  18     struct dependent_on { using type = T; };
  19
  20     template <bool dummy, typename T>
  21     using dependent_on_t = typename dependent_on<dummy, T>::type;
  22 } BOOST_HANA_NAMESPACE_END
  23
  24 #endif // !BOOST_HANA_DETAIL_DEPENDENT_ON_HPP