// Copyright David Abrahams 2005. Distributed under the Boost

 // Software License, Version 1.0. (See accompanying

 // file LICENSE_1_0.txt or copy at http://www.boost.org/LICENSE_1_0.txt)

 #ifndef BOOST_PARAMETER_MATCH_DWA2005714_HPP

 # define BOOST_PARAMETER_MATCH_DWA2005714_HPP

 # include <boost/detail/workaround.hpp>

 # include <boost/preprocessor/seq/enum.hpp>

 # if BOOST_WORKAROUND(__MWERKS__, <= 0x3003)

 // Temporary version of BOOST_PP_SEQ_ENUM until Paul M. integrates the workaround.

 #  define BOOST_PARAMETER_SEQ_ENUM_I(size,seq) BOOST_PP_CAT(BOOST_PP_SEQ_ENUM_, size) seq

 #  define BOOST_PARAMETER_SEQ_ENUM(seq) BOOST_PARAMETER_SEQ_ENUM_I(BOOST_PP_SEQ_SIZE(seq), seq)

 # else

 #  define BOOST_PARAMETER_SEQ_ENUM(seq) BOOST_PP_SEQ_ENUM(seq)

 # endif 

 # if BOOST_WORKAROUND(__BORLANDC__, BOOST_TESTED_AT(0x564))

 #  include <boost/parameter/config.hpp>

 #  include <boost/parameter/aux_/void.hpp>

 #  include <boost/preprocessor/arithmetic/sub.hpp>

 #  include <boost/preprocessor/facilities/intercept.hpp>

 #  include <boost/preprocessor/repetition/enum_trailing_params.hpp>

 #  define BOOST_PARAMETER_MATCH_DEFAULTS(ArgTypes)              \

         BOOST_PP_ENUM_TRAILING_PARAMS(                          \

             BOOST_PP_SUB(                                       \

                 BOOST_PARAMETER_MAX_ARITY                       \

               , BOOST_PP_SEQ_SIZE(ArgTypes)                     \

             )                                                   \

           , ::boost::parameter::void_ BOOST_PP_INTERCEPT   \

         )

 # else

 #  define BOOST_PARAMETER_MATCH_DEFAULTS(ArgTypes)

 # endif 

 //

 // Generates, e.g.

 //

 //    typename dfs_params::match<A1,A2>::type name = dfs_params()

 //

 // with workarounds for Borland compatibility.

 //

 # define BOOST_PARAMETER_MATCH(ParameterSpec, ArgTypes, name)   \

     typename ParameterSpec ::match<                             \

         BOOST_PARAMETER_SEQ_ENUM(ArgTypes)                      \

         BOOST_PARAMETER_MATCH_DEFAULTS(ArgTypes)                \

     >::type name = ParameterSpec ()

 #endif // BOOST_PARAMETER_MATCH_DWA2005714_HPP