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Using private detail CAT to avoid DELAY macros

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[SVN r14147]
This commit is contained in:
Vesa Karvonen
2002-06-14 20:38:54 +00:00
parent 5e0488f509
commit 54d0da5221
10 changed files with 57 additions and 34 deletions
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5
include/boost/preprocessor/tuple/eat.hpp
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@ -13,6 +13,8 @@
* See http://www.boost.org for most recent version.
*/
#include <boost/preprocessor/detail/cat.hpp>
/** <p>Expands to a macro that eats a tuple of the specified size.</p>
<p>BOOST_PP_TUPLE_EAT() is designed to be used with BOOST_PP_IF() like
@ -26,9 +28,8 @@ BOOST_PP_IF(0,BOOST_PP_ENUM_PARAMS,BOOST_PP_TUPLE_EAT(2))(10,P)
<p>expands to nothing.</p>
*/
#define BOOST_PP_TUPLE_EAT(SIZE_OF_TUPLE) BOOST_PP_TUPLE_EAT_DELAY(SIZE_OF_TUPLE)
#define BOOST_PP_TUPLE_EAT(SIZE_OF_TUPLE) BOOST_PP_DETAIL_CAT3(BOOST_PP_TUPLE,SIZE_OF_TUPLE,_EAT)
#define BOOST_PP_TUPLE_EAT_DELAY(N) BOOST_PP_TUPLE##N##_EAT
#define BOOST_PP_TUPLE0_EAT()
#define BOOST_PP_TUPLE1_EAT(A)
#define BOOST_PP_TUPLE2_EAT(A,B)