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Special processing when "empty" single element .

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Edward Diener
2014-07-20 17:40:02 -04:00
parent cee3323340
commit 9c478f0c39
1 changed files with 23 additions and 1 deletions
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22
include/boost/preprocessor/array/detail/get_data.hpp
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@ -15,11 +15,33 @@
# include <boost/preprocessor/config/config.hpp> # include <boost/preprocessor/config/config.hpp>
# include <boost/preprocessor/tuple/rem.hpp> # include <boost/preprocessor/tuple/rem.hpp>
# include <boost/preprocessor/control/if.hpp> # include <boost/preprocessor/control/if.hpp>
# include <boost/preprocessor/control/iif.hpp>
# include <boost/preprocessor/facilities/is_1.hpp>
# #
# /* BOOST_PP_ARRAY_DETAIL_GET_DATA */ # /* BOOST_PP_ARRAY_DETAIL_GET_DATA */
# #
# define BOOST_PP_ARRAY_DETAIL_GET_DATA_NONE(size, data) # define BOOST_PP_ARRAY_DETAIL_GET_DATA_NONE(size, data)
# if BOOST_PP_VARIADICS && !(BOOST_PP_VARIADICS_MSVC && _MSC_VER <= 1400)
# if BOOST_PP_VARIADICS_MSVC
# define BOOST_PP_ARRAY_DETAIL_GET_DATA_ANY_VC_DEFAULT(size, data) BOOST_PP_TUPLE_REM(size) data
# define BOOST_PP_ARRAY_DETAIL_GET_DATA_ANY_VC_CAT(size, data) BOOST_PP_TUPLE_REM_CAT(size) data
# define BOOST_PP_ARRAY_DETAIL_GET_DATA_ANY(size, data) \
BOOST_PP_IIF \
( \
BOOST_PP_IS_1(size), \
BOOST_PP_ARRAY_DETAIL_GET_DATA_ANY_VC_CAT, \
BOOST_PP_ARRAY_DETAIL_GET_DATA_ANY_VC_DEFAULT \
) \
(size,data) \
/**/
# else
# define BOOST_PP_ARRAY_DETAIL_GET_DATA_ANY(size, data) BOOST_PP_TUPLE_REM(size) data # define BOOST_PP_ARRAY_DETAIL_GET_DATA_ANY(size, data) BOOST_PP_TUPLE_REM(size) data
# endif
# else
# define BOOST_PP_ARRAY_DETAIL_GET_DATA_ANY(size, data) BOOST_PP_TUPLE_REM(size) data
# endif
# define BOOST_PP_ARRAY_DETAIL_GET_DATA(size, data) \ # define BOOST_PP_ARRAY_DETAIL_GET_DATA(size, data) \
BOOST_PP_IF \ BOOST_PP_IF \
( \ ( \