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	<title>BOOST_PP_ITERATION</title>
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	<div style="margin-left:  0px;">
		The <b>BOOST_PP_ITERATION</b> macro expands to the iteration value of the current <i>file-iteration</i> depth.
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	<h4>Usage</h4>
		<div class="code">
			<b>BOOST_PP_ITERATION</b>()
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	<h4>Remarks</h4>
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			This macro is only valid when a <i>file-iteration</i> is in progress.
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	<h4>Requirements</h4>
		<div>
			<b>Header:</b> &nbsp;<a href="../headers/iteration/iterate.html">&lt;boost/preprocessor/iteration/iterate.hpp&gt;</a>
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	<h4>Sample Code</h4>
<div><pre>
// file.h
#if !<a href="is_iterating.html">BOOST_PP_IS_ITERATING</a>

   #ifndef FILE_H_
   #define FILE_H_

   #include &lt;<a href="../headers/iteration/iterate.html">boost/preprocessor/iteration/iterate.hpp</a>&gt;

   #define <a href="iteration_params_x.html">BOOST_PP_ITERATION_PARAMS_1</a> (3, (1, 3, "file.h"))
   #include <a href="iterate.html">BOOST_PP_ITERATE</a>()

   #endif

#elif <a href="iteration_depth.html">BOOST_PP_ITERATION_DEPTH</a>() == 1

   value == <a href="iteration.html">BOOST_PP_ITERATION</a>()

#endif
</pre></div>
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	<div style="margin-left: 0px;">
		<i>© Copyright <a href="http://www.housemarque.com" target="_top">Housemarque Oy</a> 2002</i>
		</br><i>© Copyright Paul Mensonides 2002</i>
	</div>
	<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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