><span class="special">::</span><span class="identifier">endl</span><span class="special">;</span>
        <span class="special">}</span>
    <span class="special">};</span>
<span class="special">}</span>
</pre>
<p>
        </p>
<p>
          Take note that with function objects, we need to have an <code class="computeroutput"><span class="keyword">operator</span><span class="special">()</span></code>
          with 3 arguments. Since we don't care about the other two, we can use
          <code class="comp