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Updated docs

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[SVN r12687]
This commit is contained in:
Vesa Karvonen
2002-02-04 13:32:28 +00:00
parent 6fa0d837a3
commit 8432192ac0
66 changed files with 627 additions and 712 deletions
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25
include/boost/preprocessor/identity.hpp
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@ -15,28 +15,25 @@
#include <boost/preprocessor/empty.hpp>
/** <P>Expands to X once invoked.</P>
/** <p>Expands to <code>X</code> once invoked.</p>
<P>Designed to be used with BOOST_PP_IF(), when one of the clauses need to be
invoked.</P>
<p>Designed to be used with BOOST_PP_IF(), when one of the clauses need to be
invoked.</p>
<P>For example,</P>
<p>For example,</p>
<PRE>
BOOST_PP_IDENTITY(X)<B>()</B>
</PRE>
<pre>
BOOST_PP_IF(1,BOOST_PP_IDENTITY(X),BOOST_PP_EMPTY)<b>()</b>
</pre>
<P>expands to:</P>
<p>expands to:</p>
<PRE>
<pre>
X
</PRE>
<P>NOTE: If BOOST_PP_IDENTITY() is not invoked, the expansion will not be
usable.</P>
</pre>
*/
#define BOOST_PP_IDENTITY(X) X BOOST_PP_EMPTY
/** <P>Obsolete. Use BOOST_PP_IDENTITY().</P> */
/** <p>Obsolete. Use BOOST_PP_IDENTITY().</p> */
#define BOOST_PREPROCESSOR_IDENTITY(X) BOOST_PP_IDENTITY(X)
#endif