290 lines
20 KiB
C++
290 lines
20 KiB
C++
/*=============================================================================
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Copyright (c) 2001-2009 Joel de Guzman
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Copyright (c) 2005-2006 Dan Marsden
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Copyright (c) 2010 Christopher Schmidt
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Distributed under the Boost Software License, Version 1.0. (See accompanying
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file LICENSE_1_0.txt or copy at http://www.boost.org/LICENSE_1_0.txt)
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==============================================================================*/
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#ifndef BOOST_FUSION_ADAPTED_ADT_DETAIL_ADAPT_BASE_HPP
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#define BOOST_FUSION_ADAPTED_ADT_DETAIL_ADAPT_BASE_HPP
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#include <boost/fusion/support/config.hpp>
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#include <boost/fusion/adapted/struct/detail/adapt_auto.hpp>
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#include <boost/fusion/adapted/struct/detail/adapt_is_tpl.hpp>
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#include <boost/preprocessor/control/if.hpp>
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#include <boost/preprocessor/control/expr_if.hpp>
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#include <boost/preprocessor/seq/seq.hpp>
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#include <boost/preprocessor/seq/elem.hpp>
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#include <boost/preprocessor/tuple/elem.hpp>
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#include <boost/mpl/if.hpp>
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#include <boost/type_traits/is_const.hpp>
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#include <boost/type_traits/remove_const.hpp>
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#include <boost/type_traits/remove_reference.hpp>
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#include <boost/typeof/typeof.hpp>
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#define BOOST_FUSION_ADAPT_ADT_GET_IDENTITY_TEMPLATE_IMPL(TEMPLATE_PARAMS_SEQ) \
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typename detail::get_identity< \
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lvalue \
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, BOOST_PP_SEQ_ELEM(1,TEMPLATE_PARAMS_SEQ) \
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>::type
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#define BOOST_FUSION_ADAPT_ADT_GET_IDENTITY_NON_TEMPLATE_IMPL( \
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TEMPLATE_PARAMS_SEQ) \
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\
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boost::remove_const<boost::remove_reference<lvalue>::type>::type
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#define BOOST_FUSION_ADAPT_ADT_ATTRIBUTE_GETEXPR(ATTRIBUTE, \
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ATTRIBUTE_TUPLE_SIZE, DEDUCE_TYPE) \
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BOOST_PP_TUPLE_ELEM(ATTRIBUTE_TUPLE_SIZE, \
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BOOST_PP_IF(DEDUCE_TYPE, 0, 2), ATTRIBUTE)
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#define BOOST_FUSION_ADAPT_ADT_ATTRIBUTE_SETEXPR(ATTRIBUTE, \
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ATTRIBUTE_TUPLE_SIZE, DEDUCE_TYPE) \
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BOOST_PP_TUPLE_ELEM(ATTRIBUTE_TUPLE_SIZE, \
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BOOST_PP_IF(DEDUCE_TYPE, 1, 3), ATTRIBUTE)
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#ifdef BOOST_MSVC
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# define BOOST_FUSION_DEDUCED_ATTR_TYPE(NAME_SEQ, ATTRIBUTE, \
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ATTRIBUTE_TUPLE_SIZE, PREFIX, TEMPLATE_PARAMS_SEQ) \
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\
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BOOST_FUSION_ADAPT_STRUCT_MSVC_REDEFINE_TEMPLATE_PARAMS( \
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TEMPLATE_PARAMS_SEQ) \
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\
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struct deduced_attr_type { \
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static const BOOST_FUSION_ADAPT_STRUCT_UNPACK_NAME(NAME_SEQ)& obj; \
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typedef \
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BOOST_PP_EXPR_IF(BOOST_FUSION_ADAPT_IS_TPL(TEMPLATE_PARAMS_SEQ), \
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typename) \
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BOOST_TYPEOF( PREFIX() BOOST_FUSION_ADAPT_ADT_ATTRIBUTE_GETEXPR( \
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ATTRIBUTE, ATTRIBUTE_TUPLE_SIZE, 1)) type; \
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};
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#else
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# define BOOST_FUSION_DEDUCED_ATTR_TYPE(NAME_SEQ, ATTRIBUTE, \
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ATTRIBUTE_TUPLE_SIZE, PREFIX, TEMPLATE_PARAMS_SEQ) \
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struct deduced_attr_type { \
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static const BOOST_FUSION_ADAPT_STRUCT_UNPACK_NAME(NAME_SEQ)& obj; \
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typedef BOOST_TYPEOF( PREFIX() BOOST_FUSION_ADAPT_ADT_ATTRIBUTE_GETEXPR( \
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ATTRIBUTE, ATTRIBUTE_TUPLE_SIZE, 1)) type; \
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};
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#endif
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#define BOOST_FUSION_ADT_ATTRIBUTE_TYPEOF( \
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NAME_SEQ, ATTRIBUTE, ATTRIBUTE_TUPLE_SIZE, PREFIX, TEMPLATE_PARAMS_SEQ) \
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\
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BOOST_FUSION_DEDUCED_ATTR_TYPE( \
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NAME_SEQ, ATTRIBUTE, ATTRIBUTE_TUPLE_SIZE, PREFIX, TEMPLATE_PARAMS_SEQ) \
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\
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typedef \
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BOOST_PP_EXPR_IF(BOOST_FUSION_ADAPT_IS_TPL(TEMPLATE_PARAMS_SEQ), \
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typename) \
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deduced_attr_type::type type; \
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typedef type const_type;
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#define BOOST_FUSION_ADT_ATTRIBUTE_GIVENTYPE( \
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NAME_SEQ, ATTRIBUTE, ATTRIBUTE_TUPLE_SIZE, PREFIX, TEMPLATE_PARAMS_SEQ) \
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\
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typedef BOOST_PP_TUPLE_ELEM(ATTRIBUTE_TUPLE_SIZE, 0, ATTRIBUTE) type; \
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typedef BOOST_PP_TUPLE_ELEM(ATTRIBUTE_TUPLE_SIZE, 1, ATTRIBUTE) const_type;
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#define BOOST_FUSION_ADAPT_ADT_C_BASE( \
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TEMPLATE_PARAMS_SEQ,NAME_SEQ,I,PREFIX, \
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ATTRIBUTE,ATTRIBUTE_TUPLE_SIZE, DEDUCE_TYPE) \
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\
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template< \
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BOOST_FUSION_ADAPT_STRUCT_UNPACK_TEMPLATE_PARAMS(TEMPLATE_PARAMS_SEQ) \
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> \
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struct access::adt_attribute_access< \
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BOOST_FUSION_ADAPT_STRUCT_UNPACK_NAME(NAME_SEQ) \
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, I \
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> \
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{ \
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\
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BOOST_PP_IF(DEDUCE_TYPE, \
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BOOST_FUSION_ADT_ATTRIBUTE_TYPEOF, \
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BOOST_FUSION_ADT_ATTRIBUTE_GIVENTYPE)( \
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NAME_SEQ, \
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ATTRIBUTE, \
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ATTRIBUTE_TUPLE_SIZE, \
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PREFIX, \
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TEMPLATE_PARAMS_SEQ) \
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\
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template<class Val> \
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BOOST_CXX14_CONSTEXPR BOOST_FUSION_GPU_ENABLED \
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static void \
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boost_fusion_adapt_adt_impl_set( \
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BOOST_FUSION_ADAPT_STRUCT_UNPACK_NAME(NAME_SEQ)& obj, \
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Val const& val) \
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{ \
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PREFIX() BOOST_FUSION_ADAPT_ADT_ATTRIBUTE_SETEXPR(ATTRIBUTE, \
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ATTRIBUTE_TUPLE_SIZE, DEDUCE_TYPE); \
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} \
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\
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BOOST_FUSION_GPU_ENABLED \
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static type \
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boost_fusion_adapt_adt_impl_get( \
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BOOST_FUSION_ADAPT_STRUCT_UNPACK_NAME(NAME_SEQ)& obj) \
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{ \
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return PREFIX() BOOST_FUSION_ADAPT_ADT_ATTRIBUTE_GETEXPR(ATTRIBUTE, \
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ATTRIBUTE_TUPLE_SIZE, DEDUCE_TYPE); \
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} \
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\
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BOOST_FUSION_GPU_ENABLED \
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static const_type \
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boost_fusion_adapt_adt_impl_get( \
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BOOST_FUSION_ADAPT_STRUCT_UNPACK_NAME(NAME_SEQ) const& obj) \
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{ \
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return PREFIX() BOOST_FUSION_ADAPT_ADT_ATTRIBUTE_GETEXPR(ATTRIBUTE, \
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ATTRIBUTE_TUPLE_SIZE, DEDUCE_TYPE); \
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} \
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}; \
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\
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template< \
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BOOST_FUSION_ADAPT_STRUCT_UNPACK_TEMPLATE_PARAMS(TEMPLATE_PARAMS_SEQ) \
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> \
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struct adt_attribute_proxy< \
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BOOST_FUSION_ADAPT_STRUCT_UNPACK_NAME(NAME_SEQ) \
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, I \
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, true \
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> \
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{ \
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typedef \
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BOOST_PP_EXPR_IF(BOOST_PP_SEQ_HEAD(TEMPLATE_PARAMS_SEQ), typename) \
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access::adt_attribute_access< \
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BOOST_FUSION_ADAPT_STRUCT_UNPACK_NAME(NAME_SEQ) \
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, I \
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>::const_type type; \
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\
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BOOST_CONSTEXPR BOOST_FUSION_GPU_ENABLED \
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explicit \
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adt_attribute_proxy( \
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BOOST_FUSION_ADAPT_STRUCT_UNPACK_NAME(NAME_SEQ) const& o) \
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: obj(&o) \
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{} \
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\
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BOOST_FUSION_GPU_ENABLED \
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type get() const \
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{ \
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return access::adt_attribute_access< \
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BOOST_FUSION_ADAPT_STRUCT_UNPACK_NAME(NAME_SEQ) \
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, I \
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>::boost_fusion_adapt_adt_impl_get(*obj); \
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} \
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\
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BOOST_FUSION_GPU_ENABLED \
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operator type() const \
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{ \
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return get(); \
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} \
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\
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BOOST_FUSION_ADAPT_STRUCT_UNPACK_NAME(NAME_SEQ) const* obj; \
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}; \
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\
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template< \
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BOOST_FUSION_ADAPT_STRUCT_UNPACK_TEMPLATE_PARAMS(TEMPLATE_PARAMS_SEQ) \
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> \
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struct adt_attribute_proxy< \
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BOOST_FUSION_ADAPT_STRUCT_UNPACK_NAME(NAME_SEQ) \
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, I \
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, false \
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> \
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{ \
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typedef \
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BOOST_PP_EXPR_IF(BOOST_PP_SEQ_HEAD(TEMPLATE_PARAMS_SEQ), typename) \
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access::adt_attribute_access< \
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BOOST_FUSION_ADAPT_STRUCT_UNPACK_NAME(NAME_SEQ) \
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, I \
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>::type type; \
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\
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BOOST_CONSTEXPR BOOST_FUSION_GPU_ENABLED \
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explicit \
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adt_attribute_proxy( \
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BOOST_FUSION_ADAPT_STRUCT_UNPACK_NAME(NAME_SEQ)& o) \
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: obj(&o) \
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{} \
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\
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template<class Val> \
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BOOST_CXX14_CONSTEXPR BOOST_FUSION_GPU_ENABLED \
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adt_attribute_proxy& \
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operator=(Val const& val) \
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{ \
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access::adt_attribute_access< \
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BOOST_FUSION_ADAPT_STRUCT_UNPACK_NAME(NAME_SEQ) \
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, I \
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>::boost_fusion_adapt_adt_impl_set(*obj, val); \
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return *this; \
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} \
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\
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BOOST_FUSION_GPU_ENABLED \
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type get() const \
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{ \
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return access::adt_attribute_access< \
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BOOST_FUSION_ADAPT_STRUCT_UNPACK_NAME(NAME_SEQ) \
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, I \
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>::boost_fusion_adapt_adt_impl_get(*obj); \
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} \
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\
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BOOST_FUSION_GPU_ENABLED \
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operator type() const \
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{ \
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return get(); \
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} \
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\
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BOOST_FUSION_ADAPT_STRUCT_UNPACK_NAME(NAME_SEQ)* obj; \
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}; \
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\
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template< \
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BOOST_FUSION_ADAPT_STRUCT_UNPACK_TEMPLATE_PARAMS(TEMPLATE_PARAMS_SEQ) \
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> \
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struct access::struct_member< \
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BOOST_FUSION_ADAPT_STRUCT_UNPACK_NAME(NAME_SEQ) \
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, I \
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> \
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{ \
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typedef BOOST_PP_EXPR_IF(BOOST_PP_SEQ_HEAD(TEMPLATE_PARAMS_SEQ), \
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typename) \
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adt_attribute_proxy< \
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BOOST_FUSION_ADAPT_STRUCT_UNPACK_NAME(NAME_SEQ) \
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, I \
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, false \
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>::type lvalue; \
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\
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BOOST_FUSION_ADAPT_STRUCT_MSVC_REDEFINE_TEMPLATE_PARAMS( \
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TEMPLATE_PARAMS_SEQ) \
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\
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typedef \
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BOOST_PP_IF( \
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BOOST_PP_SEQ_HEAD(TEMPLATE_PARAMS_SEQ), \
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BOOST_FUSION_ADAPT_ADT_GET_IDENTITY_TEMPLATE_IMPL, \
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BOOST_FUSION_ADAPT_ADT_GET_IDENTITY_NON_TEMPLATE_IMPL)( \
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TEMPLATE_PARAMS_SEQ) \
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type; \
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\
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template<typename Seq> \
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struct apply \
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{ \
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typedef \
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adt_attribute_proxy< \
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BOOST_FUSION_ADAPT_STRUCT_UNPACK_NAME(NAME_SEQ) \
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, I \
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, is_const<Seq>::value \
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> \
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type; \
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\
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BOOST_CONSTEXPR BOOST_FUSION_GPU_ENABLED \
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static type \
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call(Seq& obj) \
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{ \
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return type(obj); \
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} \
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}; \
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};
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#endif
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