<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd"> <html xmlns="http://www.w3.org/1999/xhtml" xml:lang="en" lang="en"> <head> <meta name="generator" content= "HTML Tidy for Linux/x86 (vers 12 April 2005), see www.w3.org" /> <title>null_tree_node_update Interface</title> <meta http-equiv="Content-Type" content= "text/html; charset=us-ascii" /> </head> <body> <div id="page"> <h1><tt>null_tree_node_update</tt> Interface</h1> <p>A "null" node updater, indicating that no node updates are required.</p> <p><a href= "concepts.html#concepts_null_policies">Interface::Concepts::Null Policy Classes</a> explains the concept of a null policy.</p> <p>Defined in: <a href= "http://gcc.gnu.org/viewcvs/*checkout*/trunk/libstdc%2B%2B-v3/include/ext/pb_ds/tree_policy.hpp"><tt>tree_policy.hpp</tt></a></p> <h2><a name="link1" id="link1">Template Parameters</a></h2> <table class="c1" width="100%" border="1" summary= "Template Parameters"> <tr> <td width="20%" align="left"><b>Parameter</b></td> <td width="50%" align="left"><b>Description</b></td> <td width="30%" align="left"><b>Default Value</b></td> </tr> <tr> <td> <pre> <a name="Const_Node_Iterator1933878761" id= "Const_Node_Iterator1933878761"><b>class</b> Const_Node_Iterator</a> </pre> </td> <td> <p>Const node iterator type.</p> </td> <td>-</td> </tr> <tr> <td> <pre> <a name="Node_Iterator4206909839" id= "Node_Iterator4206909839"><b>class</b> Node_Iterator</a> </pre> </td> <td> <p>Node iterator type.</p> </td> <td>-</td> </tr> <tr> <td> <pre> <a name="Cmp_Fn294335" id="Cmp_Fn294335"><b>class</b> Cmp_Fn</a> </pre> </td> <td> <p>Comparison functor.</p> </td> <td>-</td> </tr> <tr> <td> <pre> <a name="Allocator35940069" id= "Allocator35940069"><b>class</b> Allocator</a> </pre> </td> <td> <p>Allocator type.</p> </td> <td>-</td> </tr> </table> </div> </body> </html>