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diff --git a/boost/fusion/adapted/struct/detail/adapt_base_assoc_attr_filler.hpp b/boost/fusion/adapted/struct/detail/adapt_base_assoc_attr_filler.hpp
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+++ b/boost/fusion/adapted/struct/detail/adapt_base_assoc_attr_filler.hpp
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+/*=============================================================================
+ Copyright (c) 2013-2014 Damien Buhl
+
+ 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)
+==============================================================================*/
+
+#ifndef BOOST_FUSION_ADAPTED_STRUCT_DETAIL_ADAPT_BASE_ASSOC_ATTR_FILLER_HPP
+#define BOOST_FUSION_ADAPTED_STRUCT_DETAIL_ADAPT_BASE_ASSOC_ATTR_FILLER_HPP
+
+#include <boost/config.hpp>
+
+#include <boost/fusion/adapted/struct/detail/adapt_base_attr_filler.hpp>
+
+#include <boost/preprocessor/control/if.hpp>
+#include <boost/preprocessor/arithmetic/sub.hpp>
+#include <boost/preprocessor/variadic/size.hpp>
+#include <boost/preprocessor/empty.hpp>
+#include <boost/preprocessor/facilities/is_empty.hpp>
+
+#if BOOST_PP_VARIADICS
+
+#define BOOST_FUSION_ADAPT_ASSOC_STRUCT_FILLER_0(...) \
+ BOOST_FUSION_ADAPT_ASSOC_STRUCT_WRAP_ATTR(__VA_ARGS__) \
+ BOOST_FUSION_ADAPT_ASSOC_STRUCT_FILLER_1
+
+#define BOOST_FUSION_ADAPT_ASSOC_STRUCT_FILLER_1(...) \
+ BOOST_FUSION_ADAPT_ASSOC_STRUCT_WRAP_ATTR(__VA_ARGS__) \
+ BOOST_FUSION_ADAPT_ASSOC_STRUCT_FILLER_0
+
+#define BOOST_FUSION_ADAPT_ASSOC_STRUCT_WRAP_ATTR(...) \
+ ((BOOST_PP_VARIADIC_SIZE(__VA_ARGS__), (__VA_ARGS__)))
+
+#else // BOOST_PP_VARIADICS
+
+
+#define BOOST_FUSION_ADAPT_ASSOC_STRUCT_FILLER_0(X, Y, Z) \
+ BOOST_FUSION_ADAPT_ASSOC_STRUCT_WRAP_ATTR(X, Y, Z) \
+ BOOST_FUSION_ADAPT_ASSOC_STRUCT_FILLER_1
+
+#define BOOST_FUSION_ADAPT_ASSOC_STRUCT_FILLER_1(X, Y, Z) \
+ BOOST_FUSION_ADAPT_ASSOC_STRUCT_WRAP_ATTR(X, Y, Z) \
+ BOOST_FUSION_ADAPT_ASSOC_STRUCT_FILLER_0
+
+#define BOOST_FUSION_ADAPT_ASSOC_STRUCT_WRAP_ATTR(X, Y, Z) \
+ BOOST_PP_IF(BOOST_PP_IS_EMPTY(X), \
+ ((2, (Y,Z))), \
+ ((3, (X,Y,Z))) \
+ )
+
+#endif // BOOST_PP_VARIADICS
+
+#define BOOST_FUSION_ADAPT_ASSOC_STRUCT_FILLER_0_END
+#define BOOST_FUSION_ADAPT_ASSOC_STRUCT_FILLER_1_END
+
+
+#define BOOST_FUSION_ADAPT_ASSOC_STRUCT_WRAPPEDATTR_GET_KEY(ATTRIBUTE) \
+ BOOST_PP_TUPLE_ELEM( \
+ BOOST_FUSION_ADAPT_STRUCT_WRAPPEDATTR_SIZE(ATTRIBUTE), \
+ BOOST_PP_SUB(BOOST_FUSION_ADAPT_STRUCT_WRAPPEDATTR_SIZE(ATTRIBUTE), 1), \
+ BOOST_FUSION_ADAPT_STRUCT_WRAPPEDATTR(ATTRIBUTE))
+
+#endif