bsp;
				Valid values range from <i>1</i> to <b>BOOST_PP_ITERATION_DEPTH</b>().
			</dd>
		</dl>
	<h4>Remarks</h4>
		<div>
			This macro is only valid when a <i>file-iteration</i> is in progress.
		</div>
	<h4>Requirements</h4>
		<div>
			<b>Header:</b> &nbsp;<a href="../headers/iteration/iterate.hpp.html">&lt;boost/preprocessor/iteration/iterate.hpp&gt;</a>
		</div>
	<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_

