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

   1 /*!
   2 @file
   3 Defines `boost::hana::detail::fast_and`.
   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_FAST_AND_HPP
  11 #define BOOST_HANA_DETAIL_FAST_AND_HPP
  12
  13 #include <boost/hana/config.hpp>
  14
  15 #include <type_traits>
  16
  17
  18 BOOST_HANA_NAMESPACE_BEGIN namespace detail {
  19     template <bool ...b>
  20     struct fast_and
  21         : std::is_same<fast_and<b...>, fast_and<(b, true)...>>
  22     { };
  23 } BOOST_HANA_NAMESPACE_END
  24
  25 #endif // !BOOST_HANA_DETAIL_FAST_AND_HPP