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IF uses TUPLE_ELEM to remove two macros

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[SVN r12294]
This commit is contained in:
Vesa Karvonen 2002-01-13 15:27:25 +00:00
parent 590d3be836
commit a4dc24ae7c
1 changed files with 2 additions and 3 deletions
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5
include/boost/preprocessor/if.hpp
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@ -18,6 +18,7 @@
*/
#include <boost/preprocessor/logical/bool.hpp>
#include <boost/preprocessor/tuple/elem.hpp>
//! Expands to T if C != 0 and E if C == 0.
/*!
@ -28,9 +29,7 @@ BOOST_PP_REPEAT().
#ifndef DOXYGEN_SHOULD_SKIP_THIS
#define BOOST_PP_IF_BOOL(C,T,E) BOOST_PP_IF_BOOL_DELAY(C,T,E)
#define BOOST_PP_IF_BOOL_DELAY(C,T,E) BOOST_PP_IF_BOOL##C(T,E)
#define BOOST_PP_IF_BOOL0(T,E) E
#define BOOST_PP_IF_BOOL1(T,E) T
#define BOOST_PP_IF_BOOL_DELAY(C,T,E) BOOST_PP_TUPLE2_ELEM##C(E,T)
#endif
//! Obsolete. Use BOOST_PP_IF().