span class="keyword">friend</span> std::ostream &amp;operator&lt;&lt;&lt;&gt;(std::ostream &amp;os, <span class="keyword">const</span> <a class="code" href="../../d3/dd2/classCXXGRAPH_1_1Node.html">Node&lt;T&gt;</a> &amp;node);</div>
<div class="line"><a name="l00055"></a><span class="lineno">   55</span>&#160;    };</div>
<div class="line"><a name="l00056"></a><span class="lineno">   56</span>&#160; </div>
<div class="line"><a name="l00057"></a><span class="lineno">   57</span>&#160;    <span class="keywor