160;            {</div>
<div class="line"><a name="l00345"></a><span class="lineno">  345</span>&#160;                <span class="keywordflow">if</span>(!(*it)-&gt;isDirected().has_value() &amp;&amp; !(*it)-&gt;isWeighted().has_value()){</div>
<div class="line"><a name="l00346"></a><span class="lineno">  346</span>&#160;                    <span class="comment">// Edge Case </span></div>
<div class="line"><a name="l00347"></a><span class="lineno">  347</span>&#160;                    os &lt;&lt; **it &lt;&