boost/parameter/match.hpp
// 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/parameter/config.hpp>
#if BOOST_WORKAROUND(__BORLANDC__, BOOST_TESTED_AT(0x564))
#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>
#include <boost/preprocessor/seq/size.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
#include <boost/parameter/aux_/preprocessor/seq_enum.hpp>
//
// 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 // include guard