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// (C) Copyright Jonathan Turkanis 2004.
// 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.)
// Disclaimer: Not a Boost library.
#ifndef BOOST_IDL_DETAIL_PARAM_NAME_HPP_INCLUDED
#define BOOST_IDL_DETAIL_PARAM_NAME_HPP_INCLUDED
#if defined(_MSC_VER) && (_MSC_VER >= 1020)
# pragma once
#endif
#include <boost/interfaces/detail/config/has_named_params.hpp>
#include <boost/preprocessor/control/iif.hpp>
#include <boost/preprocessor/tuple/elem.hpp>
#ifndef BOOST_IDL_UNNAMED_PARAM
# define BOOST_IDL_UNNAMED_PARAM [unspecified]
#endif
//
// Macro: BOOST_IDL_PARAM_NAME(arg)
// Parameters:
// arg - a tuple (type, name) if HAS_NAMED_PARAMS() is true,
// and a typename type otherwise.
// Expands to: name if HAS_NAMED_PARAMS() is true and
// BOOST_IDL_UNNAMED_PARAM otherwise.
//
#define BOOST_IDL_PARAM_NAME(arg) \
BOOST_PP_IIF( BOOST_IDL_HAS_NAMED_PARAMS(), \
BOOST_PP_TUPLE_ELEM(2, 1, arg), \
BOOST_IDL_UNNAMED_PARAM ) \
/**/
#endif // #ifndef BOOST_IDL_DETAIL_PARAM_NAME_HPP_INCLUDED
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