 class="number">3</span><span class="special">);</span> <span class="comment">// push {3} back to main-context</span>
        <span class="identifier">sink</span><span class="special">(</span><span class="number">5</span><span class="special">);</span> <span class="comment">// push {5} back to main-context</span>
        <span class="identifier">sink</span><span class="special">(</span><span class="number">8</span><span class="special">);</span> <span class="comment">// push {8} back to main-context</span>
