TT></TD>
<TD>
A list of <a href="./EventVisitor.html">EventVisitor</a>'s created
with <tt>std::pair</tt>.
</TD>
<TD><TT><a href="./null_visitor.html"><tt>null_visitor</tt></a></TT></TD>
</TR>

</table>

<H3>Where Defined</H3>

<P>
<a href="../../../boost/graph/astar_search.hpp">
<TT>boost/graph/astar_search.hpp</TT></a>

<h3>Member Functions</h3>

This class implements all of the member functions required by <a
href="./AStarVisitor.html">AStarVisitor</a>. In each function the
appropriate event is dispatched