<HTML> <!-- Copyright (c) Jeremy Siek, Lie-Quan Lee, and Andrew Lumsdaine 2000 Distributed under the Boost Software License, Version 1.0. (See accompanying file LICENSE_1_0.txt or copy at http://www.boost.org/LICENSE_1_0.txt) --> <Head> <Title>Boost Graph Library: null_visitor</Title> <BODY BGCOLOR="#ffffff" LINK="#0000ee" TEXT="#000000" VLINK="#551a8b" ALINK="#ff0000"> <IMG SRC="../../../boost.png" ALT="C++ Boost" width="277" height="86"> <BR Clear> <H1> <pre> null_visitor </pre> </H1> This is an <a href="./EventVisitor.html">EventVisitor</a> that does nothing. <h3>Model of</h3> <a href="./EventVisitor.html">EventVisitor</a> <H2>Associated Types</H2> <table border> <tr> <th>Type</th><th>Description</th> </tr> <tr> <td><tt>null_visitor::event_filter</tt></td> <td> This type is <tt>void</tt> </td> </tr> </table> <h3>Member Functions</h3> <p> <table border> <tr> <th>Member</th><th>Description</th> </tr> <tr> <td><tt> null_visitor(); </tt></td> <td> Default constructor. </td> </tr> <tr> <td><tt> template <class X, class Graph><br> void operator()(X x, const Graph& g); </tt></td> <td> This does nothing. </td> </tr> </table> <br> <HR> <TABLE> <TR valign=top> <TD nowrap>Copyright © 2000-2001</TD><TD> <A HREF="http://www.boost.org/people/jeremy_siek.htm">Jeremy Siek</A>, Indiana University (<A HREF="mailto:jsiek@osl.iu.edu">jsiek@osl.iu.edu</A>)<br> <A HREF="http://www.boost.org/people/liequan_lee.htm">Lie-Quan Lee</A>, Indiana University (<A HREF="mailto:llee@cs.indiana.edu">llee@cs.indiana.edu</A>)<br> <A HREF="http://www.osl.iu.edu/~lums">Andrew Lumsdaine</A>, Indiana University (<A HREF="mailto:lums@osl.iu.edu">lums@osl.iu.edu</A>) </TD></TR></TABLE> </BODY> </HTML>