/span> <span class="keyword">const</span>
    <span class="special">{</span>
        <span class="keyword">typename</span> <span class="identifier">boost</span><span class="special">::</span><span class="identifier">range_iterator</span><span class="special">&lt;</span> <span class="keyword">const</span> <span class="identifier">State</span> <span class="special">&gt;::</span><span class="identifier">type</span> <span class="identifier">x</span> <span class="special">=</span> <span class="identifier">boost<