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HTML
120 lines
5.2 KiB
HTML
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<?xml version="1.0" encoding="UTF-8" standalone="no"?>
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<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd">
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<html xmlns="http://www.w3.org/1999/xhtml">
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<head>
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<meta http-equiv="Content-Type" content="text/html; charset=UTF-8" />
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<title>Chapter 17. Iterator Classes for db_set and db_multiset</title>
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<link rel="stylesheet" href="apiReference.css" type="text/css" />
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<meta name="generator" content="DocBook XSL Stylesheets V1.73.2" />
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<link rel="start" href="index.html" title="Berkeley DB C++ Standard Template Library API Reference" />
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<link rel="up" href="index.html" title="Berkeley DB C++ Standard Template Library API Reference" />
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<link rel="prev" href="stldb_map_iteratoroperator_assign.html" title="operator=" />
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<link rel="next" href="db_set_base_iterator.html" title="Chapter 18. Db_set_base_iterator" />
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</head>
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<body>
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<div xmlns="" class="navheader">
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<div class="libver">
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<p>Library Version 11.2.5.2</p>
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</div>
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<table width="100%" summary="Navigation header">
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<tr>
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<th colspan="3" align="center">Chapter 17. Iterator Classes for db_set and db_multiset </th>
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</tr>
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<tr>
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<td width="20%" align="left"><a accesskey="p" href="stldb_map_iteratoroperator_assign.html">Prev</a> </td>
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<th width="60%" align="center"> </th>
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<td width="20%" align="right"> <a accesskey="n" href="db_set_base_iterator.html">Next</a></td>
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</table>
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<hr />
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</div>
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<div class="chapter" lang="en" xml:lang="en">
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<div class="titlepage">
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<div>
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<div>
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<h2 class="title"><a id="dbset_iterators"></a>Chapter 17. Iterator Classes for db_set and db_multiset </h2>
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</div>
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</div>
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</div>
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<p><a class="link" href="db_set_base_iterator.html" title="Chapter 18. Db_set_base_iterator">db_set_base_iterator</a>
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and <a class="link" href="db_set_iterator.html" title="Chapter 19. Db_set_iterator">db_set_iterator</a>
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are the const iterator and iterator class for <a class="link" href="db_set.html" title="Chapter 7. Db_set">db_set</a>
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and <a class="link" href="db_multiset.html" title="Chapter 8. Db_multiset">db_multiset</a>
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. </p>
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<p>They have identical behaviors to std::set::const_iterator and std::set::iterator respectively.</p>
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<p>The difference between the two classes is that the <a class="link" href="db_set_base_iterator.html" title="Chapter 18. Db_set_base_iterator">db_set_base_iterator</a>
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can only be used to read its referenced value, while <a class="link" href="db_set_iterator.html" title="Chapter 19. Db_set_iterator">db_set_iterator</a>
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allows both read and write access. If the access pattern is readonly, it is strongly recommended that you use the const iterator because it is faster and more efficient.</p>
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<p>The two classes inherit several functions from <a class="link" href="db_map_base_iterator.html" title="Chapter 15. Db_map_base_iterator">db_map_base_iterator</a>
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and <a class="link" href="db_map_iterator.html" title="Chapter 16. Db_map_iterator">db_map_iterator</a>
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respectively. </p>
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<h4><a id="id3535040"></a>
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See Also
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</h4>
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<p> </p>
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<p><a class="link" href="db_map_base_iterator.html" title="Chapter 15. Db_map_base_iterator">db_map_base_iterator</a>
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<a class="link" href="db_map_iterator.html" title="Chapter 16. Db_map_iterator">db_map_iterator</a>
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</p>
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<p>
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</p>
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<h4><a id="id3535171"></a> Public Members </h4>
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<div class="informaltable">
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<colgroup>
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<col />
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<thead>
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<th>Member</th>
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<th>Description</th>
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</tr>
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</thead>
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<tbody>
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<tr>
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<td>
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<a class="link" href="db_set_base_iterator.html" title="Chapter 18. Db_set_base_iterator">
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db_set_base_iterator</a>
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</td>
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<td>
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db_set_base_iterator</td>
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</tr>
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<tr>
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<td>
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<a class="link" href="db_set_iterator.html" title="Chapter 19. Db_set_iterator">
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db_set_iterator</a>
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</td>
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<td>
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db_set_iterator</td>
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</tr>
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</tbody>
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</table>
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</div>
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<h4><a id="id3535178"></a>
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Group</h4>
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<p>
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<a class="xref" href="dbstl_iterators.html" title="Chapter 9. Dbstl Iterator Classes">
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Dbstl Iterator Classes </a>
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</p>
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</div>
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<div class="navfooter">
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<hr />
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<table width="100%" summary="Navigation footer">
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<tr>
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<td width="40%" align="left"><a accesskey="p" href="stldb_map_iteratoroperator_assign.html">Prev</a> </td>
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<td width="20%" align="center"> </td>
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<td width="40%" align="right"> <a accesskey="n" href="db_set_base_iterator.html">Next</a></td>
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</tr>
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<tr>
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<td width="40%" align="left" valign="top">operator= </td>
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<td width="20%" align="center">
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<a accesskey="h" href="index.html">Home</a>
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</td>
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<td width="40%" align="right" valign="top"> Chapter 18.
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Db_set_base_iterator </td>
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</tr>
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</table>
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</div>
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</body>
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</html>
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