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Tweaking docs

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[SVN r12604]
This commit is contained in:
Vesa Karvonen
2002-01-31 14:21:31 +00:00
parent f1590b8c08
commit 2261c57310
66 changed files with 495 additions and 680 deletions
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30
include/boost/preprocessor/identity.hpp
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@ -13,34 +13,30 @@
* See http://www.boost.org for most recent version.
*/
/** \file
<a href="../../../../boost/preprocessor/identity.hpp">Click here to see the header.</a>
*/
#include <boost/preprocessor/empty.hpp>
/** Expands to X once invoked.
/** <P>Expands to X once invoked.</P>
Designed to be used with BOOST_PP_IF(), when one of the clauses need to be invoked.
<P>Designed to be used with BOOST_PP_IF(), when one of the clauses need to be
invoked.</P>
For example,
<P>For example,</P>
<PRE>\verbatim
BOOST_PP_IDENTITY(X)()
// ^^ NOTE!
\endverbatim</PRE>
<PRE>
BOOST_PP_IDENTITY(X)<B>()</B>
</PRE>
expands to:
<P>expands to:</P>
<PRE>\verbatim
<PRE>
X
\endverbatim</PRE>
</PRE>
NOTE: If BOOST_PP_IDENTITY() is not invoked, the expansion will not be usable.
<P>NOTE: If BOOST_PP_IDENTITY() is not invoked, the expansion will not be
usable.</P>
*/
#define BOOST_PP_IDENTITY(X) X BOOST_PP_EMPTY
/** Obsolete. Use BOOST_PP_IDENTITY(). */
/** <P>Obsolete. Use BOOST_PP_IDENTITY().</P> */
#define BOOST_PREPROCESSOR_IDENTITY(X) BOOST_PP_IDENTITY(X)
#endif