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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/dec.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>Decrements <code>X</code> expanding to a single token.</p>
<p>For example, <code>BOOST_PP_DEC(3)</code> expands to <code>2</code> (a
@ -23,9 +25,8 @@ single token).</p>
<p>Only decimal integer literals in the range [0,BOOST_PP_LIMIT_MAG] are
supported.</p>
*/
#define BOOST_PP_DEC(X) BOOST_PP_DEC_DELAY(X)
#define BOOST_PP_DEC(X) BOOST_PP_DETAIL_CAT2(BOOST_PP_DEC,X)
#define BOOST_PP_DEC_DELAY(X) BOOST_PP_DEC##X
#define BOOST_PP_DEC0 0
#define BOOST_PP_DEC1 0
#define BOOST_PP_DEC2 1