d><tt>directedS</tt></td>
</TR>

</table>

<h3>Model of</h3>

<a
href="http://www.boost.org/sgi/stl/DefaultConstructible.html">DefaultConstructible</a> and
<a href="http://www.boost.org/sgi/stl/Assignable.html">Assignable</a>

<h3>Type Requirements</h3>

Under construction.

<H2>Members</H2>

<p>

<table border>
<tr>
<th>Member</th><th>Description</th>
</tr>

<tr>
<td><tt>
vertex_descriptor
</tt></td>
<td>
The type for the objects used to identify vertices in the graph.
</td>
</tr>

<tr>
<td><tt>
edge_descr