1
2#ifndef BOOST_MPL_MAP_AUX_MAP0_HPP_INCLUDED
3#define BOOST_MPL_MAP_AUX_MAP0_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/long.hpp>
19#include <boost/mpl/void.hpp>
20#include <boost/mpl/map/aux_/tag.hpp>
21#include <boost/mpl/aux_/na.hpp>
22#include <boost/mpl/aux_/yes_no.hpp>
23#include <boost/mpl/aux_/overload_names.hpp>
24#include <boost/mpl/aux_/config/operators.hpp>
25
26#include <boost/preprocessor/cat.hpp>
27
28namespace boost { namespace mpl {
29
30#if defined(BOOST_MPL_CFG_USE_OPERATORS_OVERLOADING)
31
32# define BOOST_MPL_AUX_MAP0_OVERLOAD(R, f, X, T) \
33 friend R BOOST_PP_CAT(BOOST_MPL_AUX_OVERLOAD_,f)(X const&, T) \
34/**/
35
36# define BOOST_MPL_AUX_MAP_OVERLOAD(R, f, X, T) \
37 BOOST_MPL_AUX_MAP0_OVERLOAD(R, f, X, T) \
38/**/
39
40#else
41
42# define BOOST_MPL_AUX_MAP0_OVERLOAD(R, f, X, T) \
43 static R BOOST_PP_CAT(BOOST_MPL_AUX_OVERLOAD_,f)(X const&, T) \
44/**/
45
46# define BOOST_MPL_AUX_MAP_OVERLOAD(R, f, X, T) \
47 BOOST_MPL_AUX_MAP0_OVERLOAD(R, f, X, T); \
48 using Base::BOOST_PP_CAT(BOOST_MPL_AUX_OVERLOAD_,f) \
49/**/
50
51#endif
52
53
54template< typename Dummy = na > struct map0
55{
56 typedef map0 type;
57 typedef aux::map_tag tag;
58 typedef void_ key_;
59 typedef long_<1> order;
60 typedef long_<0> size;
61
62#if defined(BOOST_MPL_CFG_TYPEOF_BASED_SEQUENCES)
63 BOOST_MPL_AUX_MAP0_OVERLOAD( aux::type_wrapper<void_>, VALUE_BY_KEY, map0<>, void const volatile* );
64 BOOST_MPL_AUX_MAP0_OVERLOAD( aux::type_wrapper<void_>, ITEM_BY_ORDER, map0<>, long_<1>* );
65 BOOST_MPL_AUX_MAP0_OVERLOAD( aux::no_tag, ORDER_BY_KEY, map0<>, void const volatile* );
66#else
67 BOOST_MPL_AUX_MAP0_OVERLOAD( aux::no_tag, ORDER_BY_KEY, map0<>, void const volatile* );
68 BOOST_MPL_AUX_MAP0_OVERLOAD( aux::no_tag, IS_MASKED, map0<>, void const volatile* );
69#endif
70};
71
72}}
73
74#endif // BOOST_MPL_MAP_AUX_MAP0_HPP_INCLUDED
75

source code of include/boost/mpl/map/aux_/map0.hpp