s="memtitle"><span class="permalink"><a href="#a159212327bf51452d4c559fe640f59c8">&#9670;&nbsp;</a></span>GroupForwardArcsByFunctor()</h2>

<div class="memitem">
<div class="memproto">
<table class="mlabels">
  <tr>
  <td class="mlabels-left">
      <table class="memname">
        <tr>
          <td class="memname">void GroupForwardArcsByFunctor </td>
          <td>(</td>
          <td class="paramtype">const A &amp;&#160;</td>
          <td class="paramname"><em>a</em>, </td>
        </tr>
        <tr>
   