s="computeroutput"><span class="identifier">hold</span></code></a><code class="computeroutput"><span class="special">[]</span></code>.
            </p></td></tr>
</table></div>
<h6>
<a name="spirit.qi.reference.operator.alternative.h5"></a>
            <span class="phrase"><a name="spirit.qi.reference.operator.alternative.complexity"></a></span><a class="link" href="alternative.html#spirit.qi.reference.operator.alternative.complexity">Complexity</a>
          </h6>
<div class="blockquote"><blockquote class=