1<HTML> 2<!-- 3 Copyright (c) Jeremy Siek, Lie-Quan Lee, and Andrew Lumsdaine 2000 4 5 Distributed under the Boost Software License, Version 1.0. 6 (See accompanying file LICENSE_1_0.txt or copy at 7 http://www.boost.org/LICENSE_1_0.txt) 8 --> 9<Head> 10<Title>Boost Graph Library: null_visitor</Title> 11<BODY BGCOLOR="#ffffff" LINK="#0000ee" TEXT="#000000" VLINK="#551a8b" 12 ALINK="#ff0000"> 13<IMG SRC="../../../boost.png" 14 ALT="C++ Boost" width="277" height="86"> 15 16<BR Clear> 17 18<H1> 19<pre> 20null_visitor 21</pre> 22</H1> 23 24This is an <a href="./EventVisitor.html">EventVisitor</a> that 25does nothing. 26 27<h3>Model of</h3> 28 29<a href="./EventVisitor.html">EventVisitor</a> 30 31<H2>Associated Types</H2> 32 33<table border> 34 35<tr> 36<th>Type</th><th>Description</th> 37</tr> 38 39<tr> 40<td><tt>null_visitor::event_filter</tt></td> 41<td> 42This type is <tt>void</tt> 43</td> 44</tr> 45 46</table> 47 48<h3>Member Functions</h3> 49 50<p> 51 52<table border> 53<tr> 54<th>Member</th><th>Description</th> 55</tr> 56 57<tr> 58<td><tt> 59null_visitor(); 60</tt></td> 61<td> 62Default constructor. 63</td> 64</tr> 65 66<tr> 67<td><tt> 68template <class X, class Graph><br> 69void operator()(X x, const Graph& g); 70</tt></td> 71<td> 72This does nothing. 73</td> 74</tr> 75 76</table> 77 78 79<br> 80<HR> 81<TABLE> 82<TR valign=top> 83<TD nowrap>Copyright © 2000-2001</TD><TD> 84<A HREF="http://www.boost.org/people/jeremy_siek.htm">Jeremy Siek</A>, 85Indiana University (<A 86HREF="mailto:jsiek@osl.iu.edu">jsiek@osl.iu.edu</A>)<br> 87<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> 88<A HREF="https://homes.cs.washington.edu/~al75">Andrew Lumsdaine</A>, 89Indiana University (<A 90HREF="mailto:lums@osl.iu.edu">lums@osl.iu.edu</A>) 91</TD></TR></TABLE> 92 93</BODY> 94</HTML> 95