span class="comment"> */</span></div>
<div class="line"><a id="l00050" name="l00050"></a><span class="lineno">   50</span><span class="keyword">template</span>&lt;<span class="keyword">typename</span> Persistent_mq_handle&gt;</div>
<div class="line"><a id="l00051" name="l00051"></a><span class="lineno">   51</span>std::ostream&amp; <a class="code hl_function" href="namespaceipc_1_1transport.html#a61c80019823537694f925275dccb4f3f">operator&lt;&lt;</a>(std::ostream&amp; os, <span class="keyword">const</span> 