an class="keyword">const</span> <span class="identifier">int8_t</span> <span class="special">&amp;</span> <span class="identifier">y</span><span class="special">)</span><span class="special">{</span>
    <span class="identifier">cout</span> <span class="special">&lt;&lt;</span> <span class="identifier">x</span> <span class="special">*</span> <span class="identifier">y</span> <span class="special">&lt;&lt;</span> <span class="identifier">endl</span><span class="special">;</span>
<span class="special">}</span