> <span class="special">+</span> <span class="identifier">arg2</span><span class="special">)</span> <span class="special">*</span> <span class="identifier">arg3</span>
</pre>
<p>
        does nothing more than return an actor. A second function call will evaluate
        the actual operators. Example:
      </p>
<pre class="programlisting"><span class="identifier">std</span><span class="special">::</span><span class="identifier">cout</span> <span class="special">&lt;&lt;</span> <span class="special">((</spa