ion&lt;void(reply&amp;)&gt; <a class="code" href="classcpp__redis_1_1subscriber.html#a99d220cc662664e2399b709f61ac9581">reply_callback_t</a>;</div><div class="line"><a name="l00154"></a><span class="lineno">  154</span>&#160;</div><div class="line"><a name="l00164"></a><span class="lineno">  164</span>&#160;  <a class="code" href="classcpp__redis_1_1subscriber.html">subscriber</a>&amp; <a class="code" href="classcpp__redis_1_1subscriber.html#a7b4564fc4dfe356b95aeae4fdb8071c9">auth</a>(<span class="keyword">