    </tr>
        <tr>
          <td class="paramkey"></td>
          <td></td>
          <td class="paramtype">Task_err &amp;&amp;&#160;</td>
          <td class="paramname"><em>on_sent_or_error</em>&#160;</td>
        </tr>
        <tr>
          <td></td>
          <td>)</td>
          <td></td><td></td>
        </tr>
      </table>
</div><div class="memdoc">

<p>boost.asio extension similar to <code>boost::asio::async_write(Peer_socket&amp;, Blob_const, Task_err_sz)</code> with the added capability of a