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CodeWarrior workaround

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[SVN r11930]
This commit is contained in:
Vesa Karvonen
2001-12-05 16:53:42 +00:00
parent 0e7988bb46
commit 40de542d88
1 changed files with 7 additions and 1 deletions
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8
include/boost/preprocessor/tuple.hpp
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@ -46,7 +46,13 @@ The above expands to:
#define BOOST_PREPROCESSOR_TUPLE_ELEM(N,I,T) BOOST_PREPROCESSOR_TUPLE_ELEM_DELAY(N,I,T)
#ifndef DOXYGEN_SHOULD_SKIP_THIS
#define BOOST_PREPROCESSOR_TUPLE_ELEM_DELAY(N,I,T) BOOST_PREPROCESSOR_IDENTITY(BOOST_PREPROCESSOR_TUPLE##N##_ELEM##I T)()
#if defined(__MWERKS__) && __MWERKS__ <= 0x2405
// This is a workaround for a CodeWarrior preprocessor bug. Strictly speaking
// this workaround invokes undefined behavior, but it works as desired.
# define BOOST_PREPROCESSOR_TUPLE_ELEM_DELAY(N,I,T) BOOST_PREPROCESSOR_TUPLE##N##_ELEM##I##T
#else
# define BOOST_PREPROCESSOR_TUPLE_ELEM_DELAY(N,I,T) BOOST_PREPROCESSOR_IDENTITY(BOOST_PREPROCESSOR_TUPLE##N##_ELEM##I T)()
#endif
#define BOOST_PREPROCESSOR_TUPLE1_ELEM0(E0) E0