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

   1
   2 #ifndef BOOST_MPL_MAP_AUX_INSERT_IMPL_HPP_INCLUDED
   3 #define BOOST_MPL_MAP_AUX_INSERT_IMPL_HPP_INCLUDED
   4
   5 // Copyright Aleksey Gurtovoy 2003-2004
   6 // Copyright David Abrahams 2003-2004
   7 //
   8 // Distributed under the Boost Software License, Version 1.0.
   9 // (See accompanying file LICENSE_1_0.txt or copy at
  10 // http://www.boost.org/LICENSE_1_0.txt)
  11 //
  12 // See http://www.boost.org/libs/mpl for documentation.
  13
  14 // $Id$
  15 // $Date$
  16 // $Revision$
  17
  18 #include <boost/mpl/insert_fwd.hpp>
  19 #include <boost/mpl/next_prior.hpp>
  20 #include <boost/mpl/map/aux_/contains_impl.hpp>
  21 #include <boost/mpl/map/aux_/item.hpp>
  22 #include <boost/mpl/map/aux_/tag.hpp>
  23 #include <boost/mpl/aux_/na.hpp>
  24 #include <boost/mpl/aux_/config/typeof.hpp>
  25
  26 namespace boost { namespace mpl {
  27
  28 namespace aux {
  29 template< typename Map, typename Pair >
  30 struct map_insert_impl
  31     : if_<
  32           contains_impl<aux::map_tag>::apply<Map,Pair>
  33         , Map
  34 #if defined(BOOST_MPL_CFG_TYPEOF_BASED_SEQUENCES)
  35         , m_item<
  36               typename Pair::first
  37             , typename Pair::second
  38             , Map
  39             >
  40 #else
  41         , m_item<
  42               Map::order::value
  43             , typename Pair::first
  44             , typename Pair::second
  45             , Map
  46             >
  47 #endif
  48         >
  49 {
  50 };
  51 }
  52
  53 template<>
  54 struct insert_impl< aux::map_tag >
  55 {
  56     template<
  57           typename Map
  58         , typename PosOrKey
  59         , typename KeyOrNA
  60         >
  61     struct apply
  62         : aux::map_insert_impl<
  63               Map
  64             , typename if_na<KeyOrNA,PosOrKey>::type
  65             >
  66     {
  67     };
  68 };
  69
  70 }}
  71
  72 #endif // BOOST_MPL_MAP_AUX_INSERT_IMPL_HPP_INCLUDED