ugh, we collect
          it into our pending <code class="computeroutput"><span class="identifier">exception_list</span></code>
          and loop back for the next <code class="computeroutput"><span class="identifier">future</span><span class="special">&lt;&gt;</span></code> from the queue.
        </p>
<p>
          If we fall out of the loop &#8212; if every single task fiber threw an exception
          &#8212; we throw the <code class="computeroutput"><span class="identifier">exception_list</span></co