O_LOCAL_ITERATE.html" title="Macro BOOST_PROTO_LOCAL_ITERATE">BOOST_PROTO_LOCAL_ITERATE</a>()</code> macros.
      </p>
<p>
        <code class="computeroutput">BOOST_PROTO_A_const_ref(<em class="replaceable"><code>N</code></em>)</code> generates sequences like:
      </p>
<p>
        </p>
<pre class="programlisting"><span class="identifier">A</span><sub><span class="number">0</span></sub> <span class="keyword">const</span> <span class="special">&amp;</span><span class="special">,</span> <span class="identi