lt;T&gt; &amp;&gt;(*it) &lt;&lt; <span class="stringliteral">&quot;\n&quot;</span>;</div>
<div class="line"><a name="l00356"></a><span class="lineno">  356</span>&#160;                }</div>
<div class="line"><a name="l00357"></a><span class="lineno">  357</span>&#160;                <span class="keywordflow">else</span> <span class="keywordflow">if</span> (!(it-&gt;isDirected().has_value() &amp;&amp; it-&gt;isDirected().value()) &amp;&amp; (it-&gt;isWeighted().has_value() &amp;&amp; it-&gt;isWeighted().va