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Put BOOST_PP_EXPAND in correct place for VC++

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Edward Diener
2015-02-02 21:19:50 -05:00
parent 4f0adfb553
commit 1b3fe1570b
2 changed files with 4 additions and 4 deletions
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4
include/boost/preprocessor/tuple/elem.hpp
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@ -27,14 +27,14 @@
# if BOOST_PP_VARIADICS_MSVC
# define BOOST_PP_TUPLE_ELEM(...) BOOST_PP_TUPLE_ELEM_I(BOOST_PP_OVERLOAD(BOOST_PP_TUPLE_ELEM_O_, __VA_ARGS__), (__VA_ARGS__))
# define BOOST_PP_TUPLE_ELEM_I(m, args) BOOST_PP_TUPLE_ELEM_II(m, args)
# define BOOST_PP_TUPLE_ELEM_II(m, args) BOOST_PP_CAT(BOOST_PP_EXPAND(m ## args),)
# define BOOST_PP_TUPLE_ELEM_II(m, args) BOOST_PP_CAT(m ## args,)
/*
Use BOOST_PP_REM_CAT if it is a single element tuple ( which might be empty )
else use BOOST_PP_REM. This fixes a VC++ problem with an empty tuple and BOOST_PP_TUPLE_ELEM
functionality. See tuple_elem_bug_test.cxx.
*/
# define BOOST_PP_TUPLE_ELEM_O_2(n, tuple) \
BOOST_PP_VARIADIC_ELEM(n, BOOST_PP_TUPLE_IS_SINGLE_RETURN(BOOST_PP_REM_CAT,BOOST_PP_REM,tuple) tuple) \
BOOST_PP_VARIADIC_ELEM(n, BOOST_PP_EXPAND(BOOST_PP_TUPLE_IS_SINGLE_RETURN(BOOST_PP_REM_CAT,BOOST_PP_REM,tuple) tuple)) \
/**/
# else
# define BOOST_PP_TUPLE_ELEM(...) BOOST_PP_OVERLOAD(BOOST_PP_TUPLE_ELEM_O_, __VA_ARGS__)(__VA_ARGS__)

4
include/boost/preprocessor/tuple/rem.hpp
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@ -123,8 +123,8 @@
# if BOOST_PP_VARIADICS_MSVC
# define BOOST_PP_TUPLE_REM_CTOR(...) BOOST_PP_TUPLE_REM_CTOR_I(BOOST_PP_OVERLOAD(BOOST_PP_TUPLE_REM_CTOR_O_, __VA_ARGS__), (__VA_ARGS__))
# define BOOST_PP_TUPLE_REM_CTOR_I(m, args) BOOST_PP_TUPLE_REM_CTOR_II(m, args)
# define BOOST_PP_TUPLE_REM_CTOR_II(m, args) BOOST_PP_CAT(BOOST_PP_EXPAND(m ## args),)
# define BOOST_PP_TUPLE_REM_CTOR_O_1(tuple) BOOST_PP_TUPLE_IS_SINGLE_RETURN(BOOST_PP_REM_CAT,BOOST_PP_REM,tuple) tuple
# define BOOST_PP_TUPLE_REM_CTOR_II(m, args) BOOST_PP_CAT(m ## args,)
# define BOOST_PP_TUPLE_REM_CTOR_O_1(tuple) BOOST_PP_EXPAND(BOOST_PP_TUPLE_IS_SINGLE_RETURN(BOOST_PP_REM_CAT,BOOST_PP_REM,tuple) tuple)
# else
# define BOOST_PP_TUPLE_REM_CTOR(...) BOOST_PP_OVERLOAD(BOOST_PP_TUPLE_REM_CTOR_O_, __VA_ARGS__)(__VA_ARGS__)
# define BOOST_PP_TUPLE_REM_CTOR_O_1(tuple) BOOST_PP_REM tuple