what error occurred, if any.
                </p></dd>
</dl>
</div>
<h6>
<a name="boost_asio.reference.basic_socket_acceptor.close.overload2.h1"></a>
            <span class="phrase"><a name="boost_asio.reference.basic_socket_acceptor.close.overload2.example"></a></span><a class="link" href="overload2.html#boost_asio.reference.basic_socket_acceptor.close.overload2.example">Example</a>
          </h6>
<pre class="programlisting">boost::asio::ip::tcp::acceptor acceptor(io_context);
...
boost::system::error_co