           <dt>
              <div class="m-doc-template">template&lt;typename V&gt;</div>
              <span class="m-doc-wrap-bumper">void <a href="#a1db6f5c5e325ea0e0d41a16aee2e3ad6" class="m-doc">for_each_predecessor</a>(</span><span class="m-doc-wrap">V&amp;&amp; visitor) const</span>
            </dt>
            <dd>applies an visitor callable to each predecessor of the task</dd>
            <dt id="aa20d7b5796064c3ab194e6d7ebe2adb1">
              <span class="m-doc-wrap-bumper">auto <a href="#aa20