s="identifier">stream</span><span class="special">,</span> <span class="identifier">buffers_prefix</span><span class="special">(</span><span class="identifier">bytes_transferred</span><span class="special">,</span> <span class="identifier">net</span><span class="special">::</span><span class="identifier">buffer</span><span class="special">(</span><span class="identifier">s</span><span class="special">)),</span>
            <span class="special">[&amp;</span><span class="identifier">s</span><span class="spec