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<h4>Lists</h4>
<div> A <i>list</i> is a simple cons-style list with a head and a
tail. The head of a <i>list</i> is an element, and the tail is
either another <i>list</i> or <b>BOOST_PP_NIL</b>. For example, </div>
<div class="code"> (<i>a</i>, (<i>b</i>, (<i>c</i>, <b>BOOST_PP_NIL</b>)))
</div>
<div> ...is a <i>list</i> of <i>3</i> elements--<i>a</i>, <i>b</i>, and <i>c</i>.
</div>
<div> This allows macro parameters to be variable in size and allows data
states to change size without the user explicitly keeping track of the
size independently.<br>
<br>
A list can be empty and therefore have a size of 0. An empty list is
represented by the notation <b>BOOST_PP_NIL.<br>
<br>
</b></div>
<div> Elements of a <i>list</i> can be extracted with <b>BOOST_PP_LIST_FIRST</b>
and <b>BOOST_PP_LIST_REST</b>. </div>
<h4>Primitives</h4>
<ul>
<li><a href="../ref/list_first.html">BOOST_PP_LIST_FIRST</a></li>
<li><a href="../ref/list_rest.html">BOOST_PP_LIST_REST</a></li>
<li><a href="../ref/nil.html">BOOST_PP_NIL</a></li>
</ul>
<hr size="1">
<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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