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225 lines
8.2 KiB
HTML
225 lines
8.2 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>rbegin</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="db_vector.html" title="Chapter 4. Db_vector" />
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<link rel="prev" href="stldb_vectorend.html" title="end" />
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<link rel="next" href="stldb_vectorrend.html" title="rend" />
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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">rbegin</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_vectorend.html">Prev</a> </td>
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<th width="60%" align="center">Chapter 4.
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Db_vector </th>
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<td width="20%" align="right"> <a accesskey="n" href="stldb_vectorrend.html">Next</a></td>
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</tr>
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</table>
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<hr />
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</div>
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<div class="sect1" 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" style="clear: both"><a id="stldb_vectorrbegin"></a>rbegin</h2>
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</div>
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</div>
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</div>
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<div class="sect2" 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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<h3 class="title"><a id="stldb_vectorrbegin_details"></a>Function Details</h3>
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</div>
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</div>
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</div>
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<pre class="programlisting">
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reverse_iterator rbegin(ReadModifyWriteOption rmw=
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ReadModifyWriteOption::no_read_modify_write(), bool readonly=false,
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BulkRetrievalOption bulk_read=BulkRetrievalOption::no_bulk_retrieval(),
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bool directdb_get=true)
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</pre>
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<p>Create a reverse iterator. </p>
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<p>This function creates a reverse iterator initialized to sit on the last element in the underlying database, and can be used to read/write. The meaning and usage of its parameters are identical to the above begin function. </p>
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<div class="sect3" 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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<h4 class="title"><a id="id3517044"></a>Parameters</h4>
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</div>
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</div>
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</div>
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<div class="sect4" 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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<h5 class="title"><a id="id3517074"></a>directdb_get</h5>
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</div>
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</div>
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</div>
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<p>Same as that of begin(ReadModifyWrite, bool, BulkRetrievalOption, bool); </p>
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</div>
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<div class="sect4" 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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<h5 class="title"><a id="id3517106"></a>bulk_read</h5>
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</div>
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</div>
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</div>
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<p>Same as that of begin(ReadModifyWrite, bool, BulkRetrievalOption, bool); </p>
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</div>
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<div class="sect4" 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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<h5 class="title"><a id="id3517113"></a>rmw</h5>
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</div>
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</div>
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</div>
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<p>Same as that of begin(ReadModifyWrite, bool, BulkRetrievalOption, bool); </p>
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</div>
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<div class="sect4" 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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<h5 class="title"><a id="id3517120"></a>readonly</h5>
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</div>
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</div>
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</div>
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<p>Same as that of begin(ReadModifyWrite, bool, BulkRetrievalOption, bool); </p>
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</div>
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</div>
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<div class="sect3" 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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<h4 class="title"><a id="id3516998"></a>Return Value</h4>
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</div>
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</div>
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</div>
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<p>The created iterator. </p>
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</div>
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<div class="sect3" 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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<h4 class="title"><a id="id3517004"></a>See Also</h4>
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</div>
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</div>
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</div>
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<p>
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</p>
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<p>begin(ReadModifyWrite, bool, BulkRetrievalOption, bool); </p>
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<p>
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</p>
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</div>
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<pre class="programlisting">
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const_reverse_iterator rbegin(BulkRetrievalOption bulkretrieval=
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BulkRetrievalOption(BulkRetrievalOption::no_bulk_retrieval()),
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bool directdb_get=true) const
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</pre>
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<p>Create a const reverse iterator. </p>
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<p>This function creates a const reverse iterator initialized to sit on the last element in the backing database, and can only read the element, it is only available to const <a class="link" href="db_vector.html" title="Chapter 4. Db_vector">db_vector</a>
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containers. The meaning and usage of its parameters are identical as above. </p>
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<div class="sect3" 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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<h4 class="title"><a id="id3517153"></a>Parameters</h4>
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</div>
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</div>
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</div>
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<div class="sect4" 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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<h5 class="title"><a id="id3517157"></a>directdb_get</h5>
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</div>
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</div>
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</div>
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<p>Same as that of begin(ReadModifyWrite, bool, BulkRetrievalOption, bool); </p>
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</div>
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<div class="sect4" 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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<h5 class="title"><a id="id3517172"></a>bulkretrieval</h5>
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</div>
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</div>
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</div>
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<p>Same as that of begin(ReadModifyWrite, bool, BulkRetrievalOption, bool); </p>
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</div>
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</div>
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<div class="sect3" 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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<h4 class="title"><a id="id3516946"></a>Return Value</h4>
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</div>
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</div>
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</div>
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<p>The created iterator. </p>
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</div>
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<div class="sect3" 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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<h4 class="title"><a id="id3516952"></a>See Also</h4>
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</div>
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</div>
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</div>
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<p>
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</p>
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<p>begin(ReadModifyWrite, bool, BulkRetrievalOption, bool); </p>
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<p>
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</p>
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</div>
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</div>
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<div class="sect2" 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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<h3 class="title"><a id="id3516996"></a>Class</h3>
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</div>
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</div>
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</div>
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<p>
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<a class="link" href="db_vector.html" title="Chapter 4. Db_vector">db_vector</a>
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</p>
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</div>
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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_vectorend.html">Prev</a> </td>
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<td width="20%" align="center">
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<a accesskey="u" href="db_vector.html">Up</a>
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</td>
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<td width="40%" align="right"> <a accesskey="n" href="stldb_vectorrend.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">end </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"> rend</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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