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 28 namespace 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 54 template< 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