ceph/src/boost/boost/fusion/adapted/boost_tuple/detail/size_impl.hpp

   1 /*=============================================================================
   2     Copyright (c) 2001-2011 Joel de Guzman
   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 #if !defined(BOOST_FUSION_SIZE_IMPL_09272006_0724)
   8 #define BOOST_FUSION_SIZE_IMPL_09272006_0724
   9
  10 #include <boost/fusion/support/config.hpp>
  11 #include <boost/tuple/tuple.hpp>
  12 #include <boost/mpl/int.hpp>
  13
  14 namespace boost { namespace fusion
  15 {
  16     struct boost_tuple_tag;
  17
  18     namespace extension
  19     {
  20         template<typename T>
  21         struct size_impl;
  22
  23         template <>
  24         struct size_impl<boost_tuple_tag>
  25         {
  26             template <typename Sequence>
  27             struct apply : mpl::int_<tuples::length<Sequence>::value> {};
  28         };
  29     }
  30 }}
  31
  32 #endif