ceph/src/boost/libs/fusion/include/boost/fusion/support/detail/is_same_size.hpp

   1 /*=============================================================================
   2     Copyright (c) 2014-2015 Kohei Takahashi
   3
   4     Distributed under the Boost Software License, Version 1.0. (See accompanying
   5     file LICENSE_1_0.txt or copy at http://www.boost.org/LICENSE_1_0.txt)
   6 ==============================================================================*/
   7 #ifndef FUSION_IS_SAME_SIZE_10082015_1156
   8 #define FUSION_IS_SAME_SIZE_10082015_1156
   9
  10 #include <boost/fusion/support/is_sequence.hpp>
  11 #include <boost/fusion/sequence/intrinsic/size.hpp>
  12 #include <boost/core/enable_if.hpp>
  13 #include <boost/mpl/bool.hpp>
  14 #include <boost/mpl/equal_to.hpp>
  15
  16 namespace boost { namespace fusion { namespace detail
  17 {
  18     template <typename Sequence1, typename Sequence2, typename = void, typename = void>
  19     struct is_same_size : mpl::false_ {};
  20
  21     template <typename Sequence1, typename Sequence2>
  22     struct is_same_size<Sequence1, Sequence2,
  23                         typename enable_if<traits::is_sequence<Sequence1> >::type,
  24                         typename enable_if<traits::is_sequence<Sequence2> >::type>
  25         : mpl::equal_to<result_of::size<Sequence1>, result_of::size<Sequence2> >
  26     {};
  27 }}}
  28
  29 #endif