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9  <title>null_tree_node_update Interface</title>
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16    <h1><tt>null_tree_node_update</tt> Interface</h1>
17
18    <p>A "null" node updater, indicating that no node updates are
19    required.</p>
20
21    <p><a href=
22    "concepts.html#concepts_null_policies">Interface::Concepts::Null
23    Policy Classes</a> explains the concept of a null policy.</p>
24
25    <p>Defined in: <a href=
26    "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>
27
28    <h2><a name="link1" id="link1">Template Parameters</a></h2>
29
30    <table class="c1" width="100%" border="1" summary=
31    "Template Parameters">
32      <tr>
33        <td width="20%" align="left"><b>Parameter</b></td>
34
35        <td width="50%" align="left"><b>Description</b></td>
36
37        <td width="30%" align="left"><b>Default Value</b></td>
38      </tr>
39
40      <tr>
41        <td>
42          <pre>
43<a name="Const_Node_Iterator1933878761" id=
44"Const_Node_Iterator1933878761"><b>class</b> Const_Node_Iterator</a>
45</pre>
46        </td>
47
48        <td>
49          <p>Const node iterator type.</p>
50        </td>
51
52        <td>-</td>
53      </tr>
54
55      <tr>
56        <td>
57          <pre>
58<a name="Node_Iterator4206909839" id=
59"Node_Iterator4206909839"><b>class</b> Node_Iterator</a>
60</pre>
61        </td>
62
63        <td>
64          <p>Node iterator type.</p>
65        </td>
66
67        <td>-</td>
68      </tr>
69
70      <tr>
71        <td>
72          <pre>
73<a name="Cmp_Fn294335" id="Cmp_Fn294335"><b>class</b> Cmp_Fn</a>
74</pre>
75        </td>
76
77        <td>
78          <p>Comparison functor.</p>
79        </td>
80
81        <td>-</td>
82      </tr>
83
84      <tr>
85        <td>
86          <pre>
87<a name="Allocator35940069" id=
88"Allocator35940069"><b>class</b> Allocator</a>
89</pre>
90        </td>
91
92        <td>
93          <p>Allocator type.</p>
94        </td>
95
96        <td>-</td>
97      </tr>
98    </table>
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