span class="special">.</span><span class="identifier">add</span><span class="special">(</span> <span class="identifier">error</span><span class="special">);</span>
    <span class="special">}</span>
    <span class="comment">// We only arrive here when every passed function threw an exception.</span>
    <span class="comment">// Throw our collection to inform caller.</span>
    <span class="keyword">throw</span> <span class="identifier">exceptions</span><span class="special">;</span>
<span class="special">}