       <span class="c1">//
</span><span class="c1"></span><span class="k">struct</span> <span class="n">asio</span><span class="o">::</span><span class="n">async_result</span><span class="o">&lt;</span><span class="n">detail</span><span class="o">::</span><span class="n">as_result_t</span><span class="o">&lt;</span><span class="n">CompletionToken</span><span class="o">&gt;</span><span class="p">,</span>  <span class="c1">//
</span><span class="c1"></span>                          <span class="kt">void</span