ss="computeroutput"><span class="keyword">true</span></code>,
                  this function fails with <code class="computeroutput"><span class="identifier">boost</span><span class="special">::</span><span class="identifier">asio</span><span class="special">::</span><span class="identifier">error</span><span class="special">::</span><span class="identifier">invalid_argument</span></code>,
                  as the combination does not make sense.
                </p></dd>
</dl>
</div>
<h6>
<a name="boost_a