/span><span class="special">&lt;</span><span class="identifier">Iterator</span><span class="special">,</span> <span class="keyword">unsigned</span><span class="special">()&gt;</span> <span class="special">{...};</span>

<span class="comment">// rule definition</span>
<span class="identifier">qi</span><span class="special">::</span><span class="identifier">rule</span><span class="special">&lt;</span><span class="identifier">Iterator</span><span class="special">,</span> <span class="keyword">unsigned</span><s