re</span><span class="special">.</span><span class="identifier">get</span><span class="special">()</span> <span class="special">);</span>
    <span class="identifier">std</span><span class="special">::</span><span class="identifier">cout</span> <span class="special">&lt;&lt;</span> <span class="string">"wait_all_until_error_source(success) =&gt; '"</span> <span class="special">&lt;&lt;</span> <span class="identifier">value</span>
              <span class="special">&lt;&lt;</span> <span class="string">"'"</