&quot;cudaFlow: &quot;</span>;</div><div class="line"><a name="l00256"></a><span class="lineno">  256</span>&#160;        <span class="keywordflow">if</span>(node-&gt;_name.empty()) os &lt;&lt; <span class="charliteral">&#39;p&#39;</span> &lt;&lt; node;</div><div class="line"><a name="l00257"></a><span class="lineno">  257</span>&#160;        <span class="keywordflow">else</span> os &lt;&lt; node-&gt;_name;</div><div class="line"><a name="l00258"></a><span class="lineno">  258</span>&#160;</div><div class="