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48 lines
1.8 KiB
48 lines
1.8 KiB
// Copyright David Abrahams 2005. |
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// Distributed under the Boost Software License, Version 1.0. |
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// (See accompanying file LICENSE_1_0.txt or copy at |
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// http://www.boost.org/LICENSE_1_0.txt) |
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#ifndef BOOST_PARAMETER_MATCH_DWA2005714_HPP |
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#define BOOST_PARAMETER_MATCH_DWA2005714_HPP |
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#include <boost/parameter/config.hpp> |
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#if BOOST_WORKAROUND(__BORLANDC__, BOOST_TESTED_AT(0x564)) |
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#include <boost/parameter/aux_/void.hpp> |
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#include <boost/preprocessor/arithmetic/sub.hpp> |
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#include <boost/preprocessor/facilities/intercept.hpp> |
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#include <boost/preprocessor/repetition/enum_trailing_params.hpp> |
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#include <boost/preprocessor/seq/size.hpp> |
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#define BOOST_PARAMETER_MATCH_DEFAULTS(ArgTypes) \ |
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BOOST_PP_ENUM_TRAILING_PARAMS( \ |
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BOOST_PP_SUB( \ |
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BOOST_PARAMETER_MAX_ARITY \ |
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, BOOST_PP_SEQ_SIZE(ArgTypes) \ |
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) \ |
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, ::boost::parameter::void_ BOOST_PP_INTERCEPT \ |
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) |
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/**/ |
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#else |
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#define BOOST_PARAMETER_MATCH_DEFAULTS(ArgTypes) |
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#endif |
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#include <boost/parameter/aux_/preprocessor/seq_enum.hpp> |
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// |
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// Generates, e.g. |
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// |
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// typename dfs_params::match<A1,A2>::type name = dfs_params() |
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// |
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// with workarounds for Borland compatibility. |
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// |
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#define BOOST_PARAMETER_MATCH(ParameterSpec, ArgTypes, name) \ |
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typename ParameterSpec::match< \ |
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BOOST_PARAMETER_SEQ_ENUM(ArgTypes) \ |
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BOOST_PARAMETER_MATCH_DEFAULTS(ArgTypes) \ |
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>::type name = ParameterSpec() |
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/**/ |
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#endif // include guard |
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