tion and passes the node into the function argument. The first pipe will cease the pipeline scheduling when it has processed all nodes. To identify which node is being processed at a running pipe, we use <a href="classtf_1_1Pipeflow.html#a295e5d884665c076f4ef5d78139f7c51" class="m-doc">tf::<wbr />Pipeflow::<wbr />token</a> to find the index:</p><pre class="m-code"><span class="c1">// first pipe calls f1</span>
<span class="n">tf</span><span class="o">::</span><span class="n">Pipe</span><span class="p">{</sp