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// Copyright (C) 2009-2012 Lorenzo Caminiti
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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 a copy at
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// http://www.boost.org/LICENSE_1_0.txt)
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// Home at http://www.boost.org/libs/local_function
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#ifndef BOOST_LOCAL_FUNCTION_AUX_PP_DECL_TRAITS_SIGN_VALIDATE_THIS_HPP_
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#define BOOST_LOCAL_FUNCTION_AUX_PP_DECL_TRAITS_SIGN_VALIDATE_THIS_HPP_
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#include <boost/local_function/detail/preprocessor/keyword/this.hpp>
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#include <boost/local_function/detail/preprocessor/keyword/const.hpp>
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#include <boost/local_function/detail/preprocessor/keyword/bind.hpp>
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#include <boost/local_function/detail/preprocessor/keyword/const_bind.hpp>
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#include <boost/preprocessor/control/iif.hpp>
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#include <boost/preprocessor/tuple/eat.hpp>
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#include <boost/preprocessor/facilities/empty.hpp>
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#include <boost/preprocessor/list/fold_left.hpp>
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// PRIVATE //
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#define \
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BOOST_LOCAL_FUNCTION_AUX_PP_DECL_TRAITS_SIGN_VALIDATE_THIS_TYPED_EAT_(elem) \
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/* must be in separate macro to delay expansion */ \
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BOOST_PP_TUPLE_EAT(1) elem
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#define BOOST_LOCAL_FUNCTION_AUX_PP_DECL_TRAITS_SIGN_VALIDATE_THIS_TYPED_( \
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elem) \
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BOOST_PP_IIF(BOOST_PP_IS_UNARY(elem), \
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BOOST_LOCAL_FUNCTION_AUX_PP_DECL_TRAITS_SIGN_VALIDATE_THIS_TYPED_EAT_ \
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, \
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BOOST_PP_TUPLE_REM(1) \
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)(elem)
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#define BOOST_LOCAL_FUNCTION_AUX_PP_DECL_TRAITS_SIGN_VALIDATE_THIS_VAR_( \
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s, error, elem) \
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BOOST_PP_IIF(BOOST_LOCAL_FUNCTION_DETAIL_PP_KEYWORD_IS_THIS_BACK( \
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BOOST_LOCAL_FUNCTION_AUX_PP_DECL_TRAITS_SIGN_VALIDATE_THIS_TYPED_( \
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BOOST_LOCAL_FUNCTION_DETAIL_PP_KEYWORD_BIND_REMOVE_FRONT( \
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BOOST_LOCAL_FUNCTION_DETAIL_PP_KEYWORD_CONST_REMOVE_FRONT( \
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elem)))), \
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ERROR_use_this_underscore_instead_of_this BOOST_PP_EMPTY \
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, \
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error \
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)
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#define BOOST_LOCAL_FUNCTION_AUX_PP_DECL_TRAITS_SIGN_VALIDATE_THIS_( \
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s, error, elem) \
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BOOST_PP_IIF(BOOST_LOCAL_FUNCTION_DETAIL_PP_KEYWORD_IS_BIND_FRONT(elem), \
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BOOST_LOCAL_FUNCTION_AUX_PP_DECL_TRAITS_SIGN_VALIDATE_THIS_VAR_ \
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, BOOST_PP_IIF(BOOST_LOCAL_FUNCTION_DETAIL_PP_KEYWORD_IS_CONST_BIND_FRONT( \
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elem), \
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BOOST_LOCAL_FUNCTION_AUX_PP_DECL_TRAITS_SIGN_VALIDATE_THIS_VAR_ \
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, \
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error BOOST_PP_TUPLE_EAT(3) \
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))(s, error, elem)
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// PUBLIC //
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#define BOOST_LOCAL_FUNCTION_AUX_PP_DECL_TRAITS_SIGN_VALIDATE_THIS(sign) \
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BOOST_PP_LIST_FOLD_LEFT( \
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BOOST_LOCAL_FUNCTION_AUX_PP_DECL_TRAITS_SIGN_VALIDATE_THIS_, \
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BOOST_PP_EMPTY, sign)
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#endif // #include guard
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