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Fix BOOST_PP_EMPTY replacement with adapt_assoc_struct

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This commit is contained in:
Damien Buhl (alias daminetreg)
2015-06-23 21:43:09 +02:00
committed by Kohei Takahashi
parent 11cc331f82
commit 3125c15ff4
1 changed files with 9 additions and 1 deletions
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10
include/boost/fusion/adapted/struct/detail/adapt_base_assoc_attr_filler.hpp
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@ -18,6 +18,7 @@
#include <boost/preprocessor/control/if.hpp>
#include <boost/preprocessor/arithmetic/sub.hpp>
#include <boost/preprocessor/variadic/size.hpp>
#include <boost/preprocessor/variadic/elem.hpp>
#if BOOST_PP_VARIADICS
@ -30,7 +31,14 @@
BOOST_FUSION_ADAPT_ASSOC_STRUCT_FILLER_0
#define BOOST_FUSION_ADAPT_ASSOC_STRUCT_WRAP_ATTR(...) \
((BOOST_PP_VARIADIC_SIZE(__VA_ARGS__), (__VA_ARGS__)))
BOOST_PP_IF( \
BOOST_MPL_PP_TOKEN_EQUAL(auto, BOOST_PP_VARIADIC_ELEM(0, __VA_ARGS__)), \
((2, \
(BOOST_PP_VARIADIC_ELEM(1, __VA_ARGS__), \
BOOST_PP_VARIADIC_ELEM(2, __VA_ARGS__)))), \
((BOOST_PP_VARIADIC_SIZE(__VA_ARGS__), \
(__VA_ARGS__))) \
)
#else // BOOST_PP_VARIADICS