n class="lineno">   34</span>&#160;    <span class="comment">// ostream operator</span></div>
<div class="line"><a name="l00035"></a><span class="lineno">   35</span>&#160;    <span class="keyword">template</span> &lt;<span class="keyword">typename</span> T&gt;</div>
<div class="line"><a name="l00036"></a><span class="lineno">   36</span>&#160;    std::ostream &amp;operator&lt;&lt;(std::ostream &amp;o, <span class="keyword">const</span> Edge&lt;T&gt; &amp;edge);</div>
<div class="line"><a name="l00037"></a>