preprocessor/doc/ref/local_macro.html
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<title>BOOST_PP_LOCAL_MACRO</title>
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The <b>BOOST_PP_LOCAL_MACRO</b> macro is a user-defined <i>named external argument</i> used by <b>BOOST_PP_LOCAL_ITERATE</b>.
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<h4>Usage</h4>
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#define <b>BOOST_PP_LOCAL_MACRO</b>(<i>n</i>) ...
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<h4>Arguments</h4>
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<dt>n</dt>
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The current iteration value received from the <i>local-iteration</i> mechanism.
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<h4>Remarks</h4>
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This macro is automatically undefined for reuse by a call to <b>BOOST_PP_LOCAL_ITERATE</b>.
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<h4>See Also</h4>
<ul>
<li><a href="local_iterate.html">BOOST_PP_LOCAL_ITERATE</a></li>
</ul>
<h4>Sample Code</h4>
<div><pre>
#include &lt;<a href="../headers/iteration/local.html">boost/preprocessor/iteration/local.hpp</a>&gt;
template&lt;int&gt; struct sample;
#define <a href="local_macro.html">BOOST_PP_LOCAL_MACRO</a>(n) \
template&lt;&gt; struct sample&lt;n&gt; { \
enum { value = n }; \
}; \
/**/
#define <a href="local_limits.html">BOOST_PP_LOCAL_LIMITS</a> (1, 5)
#include <a href="local_iterate.html">BOOST_PP_LOCAL_ITERATE</a>()
/* expands to...
template&lt;&gt; struct sample&lt;1&gt; { enum { value = 1 }; };
template&lt;&gt; struct sample&lt;2&gt; { enum { value = 2 }; };
template&lt;&gt; struct sample&lt;3&gt; { enum { value = 3 }; };
template&lt;&gt; struct sample&lt;4&gt; { enum { value = 4 }; };
template&lt;&gt; struct sample&lt;5&gt; { enum { value = 5 }; };
*/
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<i>© Copyright <a href="http://www.housemarque.com" target="_top">Housemarque Oy</a> 2002</i>
</br><i>© Copyright Paul Mensonides 2002</i>
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<div style="margin-left: 0px;">
<p><small>Distributed under the Boost Software License, Version 1.0. (See
accompanying file <a href="../../../../LICENSE_1_0.txt">LICENSE_1_0.txt</a> or
copy at <a href=
"http://www.boost.org/LICENSE_1_0.txt">www.boost.org/LICENSE_1_0.txt</a>)</small></p>
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