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107 lines
3.8 KiB
HTML
107 lines
3.8 KiB
HTML
<?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>empty</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_map.html" title="Chapter 5. Db_map" />
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<link rel="prev" href="stldb_mapmax_size.html" title="max_size" />
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<link rel="next" href="stldb_maperase.html" title="erase" />
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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">empty</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_mapmax_size.html">Prev</a> </td>
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<th width="60%" align="center">Chapter 5.
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Db_map </th>
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<td width="20%" align="right"> <a accesskey="n" href="stldb_maperase.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_mapempty"></a>empty</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_mapempty_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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bool empty() const
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</pre>
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<p>Returns whether this container is empty. </p>
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<p>This function supports auto-commit. </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="id3522310"></a>Return Value</h4>
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</div>
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</div>
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</div>
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<p>True if empty, false otherwise. </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="id3522316"></a>Group: Metadata Functions</h3>
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</div>
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</div>
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</div>
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<p>These functions return metadata about the container. </p>
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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="id3522358"></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_map.html" title="Chapter 5. Db_map">db_map</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_mapmax_size.html">Prev</a> </td>
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<td width="20%" align="center">
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<a accesskey="u" href="db_map.html">Up</a>
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</td>
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<td width="40%" align="right"> <a accesskey="n" href="stldb_maperase.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">max_size </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"> erase</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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