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Filename : decl_error.hpp

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// Copyright (C) 2009-2012 Lorenzo Caminiti
// Distributed under the Boost Software License, Version 1.0
// (see accompanying file LICENSE_1_0.txt or a copy at
// http://www.boost.org/LICENSE_1_0.txt)
// Home at http://www.boost.org/libs/local_function

#ifndef BOOST_LOCAL_FUNCTION_AUX_PP_DECL_TRAITS_ERROR_HPP_
#define BOOST_LOCAL_FUNCTION_AUX_PP_DECL_TRAITS_ERROR_HPP_

#include <boost/local_function/aux_/preprocessor/traits/decl_/index.hpp>
#include <boost/preprocessor/tuple/elem.hpp>

// PUBLIC //

// Expand: `[ERROR_message_text] EMPTY`, EMPTY iff no pp-parsing error.
#define BOOST_LOCAL_FUNCTION_AUX_PP_DECL_TRAITS_ERROR(decl_traits) \
    BOOST_PP_TUPLE_ELEM(BOOST_LOCAL_FUNCTION_AUX_PP_DECL_TRAITS_INDEX_MAX, \
            BOOST_LOCAL_FUNCTION_AUX_PP_DECL_TRAITS_INDEX_ERROR, decl_traits)

// Expand: `[ERROR_message_text]`, EMPTY iff no pp-parsing error.
#define BOOST_LOCAL_FUNCTION_AUX_PP_DECL_TRAITS_ERROR_MSG(decl_traits) \
    BOOST_LOCAL_FUNCTION_AUX_PP_DECL_TRAITS_ERROR(decl_traits) \
    (/* expand EMPTY */)

#endif // #include guard