ceph/src/boost/libs/mpl/include/boost/mpl/map/aux_/empty_impl.hpp

   1
   2 #ifndef BOOST_MPL_MAP_AUX_EMPTY_IMPL_HPP_INCLUDED
   3 #define BOOST_MPL_MAP_AUX_EMPTY_IMPL_HPP_INCLUDED
   4
   5 // Copyright Aleksey Gurtovoy 2003-2004
   6 //
   7 // Distributed under the Boost Software License, Version 1.0.
   8 // (See accompanying file LICENSE_1_0.txt or copy at
   9 // http://www.boost.org/LICENSE_1_0.txt)
  10 //
  11 // See http://www.boost.org/libs/mpl for documentation.
  12
  13 // $Id$
  14 // $Date$
  15 // $Revision$
  16
  17 #include <boost/mpl/empty_fwd.hpp>
  18 #include <boost/mpl/not.hpp>
  19 #include <boost/mpl/map/aux_/tag.hpp>
  20
  21 namespace boost { namespace mpl {
  22
  23 template<>
  24 struct empty_impl< aux::map_tag >
  25 {
  26     template< typename Map > struct apply
  27         : not_< typename Map::size >
  28     {
  29     };
  30 };
  31
  32 }}
  33
  34 #endif // BOOST_MPL_MAP_AUX_EMPTY_IMPL_HPP_INCLUDED