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
26namespace boost { namespace mpl {
27
28namespace aux {
29template< typename Map, typename Pair >
30struct 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
53template<>
54struct 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
73

source code of include/boost/mpl/map/aux_/insert_impl.hpp