class="programlisting"><span class="keyword">void</span> <span class="identifier">f</span><span class="special">(</span><span class="identifier">Ret</span><span class="special">);</span>
<span class="identifier">Lhs</span> <span class="identifier">lhs</span><span class="special">;</span>
<span class="identifier">Rhs</span> <span class="identifier">rhs</span><span class="special">;</span>
<span class="identifier">f</span><span class="special">(</span><span class="identifier">lhs</span><span class="special">/