source: NonGTP/Boost/boost/mpl/map/aux_/map0.hpp @ 857

Revision 857, 2.3 KB checked in by igarcia, 18 years ago (diff)
Line 
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// $Source: /cvsroot/boost/boost/boost/mpl/map/aux_/map0.hpp,v $
15// $Date: 2004/10/13 18:23:36 $
16// $Revision: 1.4 $
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
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