span class="special">&gt;</span> 
  <span class="keyword">void</span> <a name="idp40057440-bb"></a><span class="keyword">operator</span><span class="special">(</span><span class="special">)</span><span class="special">(</span><span class="keyword">const</span> <span class="identifier">State</span> <span class="special">&amp;</span> state<span class="special">,</span> <span class="identifier">Time</span> t<span class="special">)</span> <span class="keyword">const</span><span class="special">;</span></pre></l