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[SVN r15202]
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Paul Mensonides
2002-09-08 09:58:13 +00:00
parent ce2f5ccec1
commit 54d6f56c0e
106 changed files with 20 additions and 22261 deletions
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include/boost/preprocessor/identity.hpp
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#ifndef BOOST_PREPROCESSOR_IDENTITY_HPP
#define BOOST_PREPROCESSOR_IDENTITY_HPP
/* Copyright (C) 2001
* Housemarque Oy
* http://www.housemarque.com
*
* Permission to copy, use, modify, sell and distribute this software is
* granted provided this copyright notice appears in all copies. This
* software is provided "as is" without express or implied warranty, and
* with no claim as to its suitability for any purpose.
*
* See http://www.boost.org for most recent version.
*/
#include <boost/preprocessor/empty.hpp>
/** <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>For example,</p>
<pre>
BOOST_PP_IF(1,BOOST_PP_IDENTITY(X),BOOST_PP_EMPTY)<b>()</b>
</pre>
<p>expands to:</p>
<pre>
X
</pre>
<h3>Test</h3>
<ul>
<li><a href="../../test/preprocessor_test.cpp">preprocessor_test.cpp</a></li>
</ul>
*/
#define BOOST_PP_IDENTITY(X) X BOOST_PP_EMPTY
#endif