of any given road based on its edge
descriptor <tt class="docutils literal"><span class="pre">e</span></tt> with the expression <tt class="docutils literal"><span class="pre">get(road_length,</span> <span class="pre">e)</span></tt>,
regardless of which process stores the edge <tt class="docutils literal"><span class="pre">e</span></tt>.</p>
</div>
<div class="section" id="named-vertices">
<h2><a class="toc-backref" href="#id4">Named Vertices</a></h2>
<p>The vertices of a graph typically correspond to named 