ceph/src/boost/libs/fusion/include/boost/fusion/adapted/boost_tuple/mpl/clear.hpp

   1 /*=============================================================================
   2     Copyright (c) 2012 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 #if !defined(BOOST_FUSION_CLEAR_10172012_0100)
   8 #define BOOST_FUSION_CLEAR_10172012_0100
   9
  10 #include <boost/mpl/identity.hpp>
  11 #include <boost/fusion/adapted/boost_tuple/tag_of.hpp>
  12
  13 namespace boost { namespace fusion { namespace detail {
  14
  15   template <typename Tag>
  16   struct clear;
  17
  18   template <>
  19   struct clear<boost_tuple_tag> : mpl::identity<boost::tuple<> > {};
  20
  21 }}}
  22
  23 #endif