1<?xml version="1.0" encoding="UTF-8" standalone="no"?> 2<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd"> 3<html xmlns="http://www.w3.org/1999/xhtml"> 4 <head> 5 <meta http-equiv="Content-Type" content="text/html; charset=UTF-8" /> 6 <title>erase</title> 7 <link rel="stylesheet" href="apiReference.css" type="text/css" /> 8 <meta name="generator" content="DocBook XSL Stylesheets V1.73.2" /> 9 <link rel="start" href="index.html" title="Berkeley DB C++ Standard Template Library API Reference" /> 10 <link rel="up" href="db_multimap.html" title="Chapter 6. Db_multimap" /> 11 <link rel="prev" href="db_multimap.html" title="Chapter 6. Db_multimap" /> 12 <link rel="next" href="stldb_multimapequal_range.html" title="equal_range" /> 13 </head> 14 <body> 15 <div class="navheader"> 16 <table width="100%" summary="Navigation header"> 17 <tr> 18 <th colspan="3" align="center"> 19erase 20</th> 21 </tr> 22 <tr> 23 <td width="20%" align="left"><a accesskey="p" href="db_multimap.html">Prev</a> </td> 24 <th width="60%" align="center">Chapter 6. 25 Db_multimap </th> 26 <td width="20%" align="right"> <a accesskey="n" href="stldb_multimapequal_range.html">Next</a></td> 27 </tr> 28 </table> 29 <hr /> 30 </div> 31 <div class="sect1" lang="en" xml:lang="en"> 32 <div class="titlepage"> 33 <div> 34 <div> 35 <h2 class="title" style="clear: both"><a id="stldb_multimaperase"></a> 36erase 37</h2> 38 </div> 39 </div> 40 </div> 41 <div class="sect2" lang="en" xml:lang="en"> 42 <div class="titlepage"> 43 <div> 44 <div> 45 <h3 class="title"><a id="func_details"></a> 46Function Details</h3> 47 </div> 48 </div> 49 </div> 50 <pre class="programlisting"> 51size_type erase(const key_type &x) 52 </pre> 53 <div class="sect3" lang="en" xml:lang="en"> 54 <div class="titlepage"></div> 55 <p>Erase elements by key. </p> 56 <p>All key/data pairs with specified key x will be removed from underlying database. This function supports auto-commit. </p> 57 </div> 58 <div class="sect3" lang="en" xml:lang="en"> 59 <div class="titlepage"> 60 <div> 61 <div> 62 <h4 class="title"><a id="id1553557"></a> 63Parameters</h4> 64 </div> 65 </div> 66 </div> 67 <div class="sect4" lang="en" xml:lang="en"> 68 <div class="titlepage"> 69 <div> 70 <div> 71 <h5 class="title"><a id="id1554015"></a> 72 x </h5> 73 </div> 74 </div> 75 </div> 76 <p>The key to remove from the container. </p> 77 </div> 78 </div> 79 <div class="sect3" lang="en" xml:lang="en"> 80 <div class="titlepage"> 81 <div> 82 <div> 83 <h4 class="title"><a id="id1553558"></a> 84Return Value</h4> 85 </div> 86 </div> 87 </div> 88 <p>The number of key/data pairs removed. </p> 89 </div> 90 <pre class="programlisting"> 91void erase(iterator pos) 92 </pre> 93 <div class="sect3" lang="en" xml:lang="en"> 94 <div class="titlepage"></div> 95 <p>Erase a key/data pair at specified position. </p> 96 <p></p> 97 </div> 98 <div class="sect3" lang="en" xml:lang="en"> 99 <div class="titlepage"> 100 <div> 101 <div> 102 <h4 class="title"><a id="id1553959"></a> 103Parameters</h4> 104 </div> 105 </div> 106 </div> 107 <div class="sect4" lang="en" xml:lang="en"> 108 <div class="titlepage"> 109 <div> 110 <div> 111 <h5 class="title"><a id="id1554037"></a> 112 pos </h5> 113 </div> 114 </div> 115 </div> 116 <p>An valid iterator of this container to erase. </p> 117 </div> 118 </div> 119 <pre class="programlisting"> 120void erase(iterator first, 121 iterator last) 122 </pre> 123 <div class="sect3" lang="en" xml:lang="en"> 124 <div class="titlepage"></div> 125 <p>Range erase. </p> 126 <p>Erase all key/data pairs within the valid range [first, last). </p> 127 </div> 128 <div class="sect3" lang="en" xml:lang="en"> 129 <div class="titlepage"> 130 <div> 131 <div> 132 <h4 class="title"><a id="id1553768"></a> 133Parameters</h4> 134 </div> 135 </div> 136 </div> 137 <div class="sect4" lang="en" xml:lang="en"> 138 <div class="titlepage"> 139 <div> 140 <div> 141 <h5 class="title"><a id="id1554119"></a> 142 last </h5> 143 </div> 144 </div> 145 </div> 146 <p>The open boundary of the range. </p> 147 </div> 148 <div class="sect4" lang="en" xml:lang="en"> 149 <div class="titlepage"> 150 <div> 151 <div> 152 <h5 class="title"><a id="id1553513"></a> 153 first </h5> 154 </div> 155 </div> 156 </div> 157 <p>The closed boundary of the range. </p> 158 </div> 159 </div> 160 </div> 161 <div class="sect2" lang="en" xml:lang="en"> 162 <div class="titlepage"> 163 <div> 164 <div> 165 <h3 class="title"><a id="id1553744"></a> 166Group: Erase Functions</h3> 167 </div> 168 </div> 169 </div> 170 <div class="simplesect" lang="en" xml:lang="en"> 171 <div class="titlepage"></div> 172 <p><a class="ulink" href="http://www.cplusplus.com/reference/stl/multimap/erase/" target="_top">http://www.cplusplus.com/reference/stl/multimap/erase/</a> </p> 173 </div> 174 <p> 175</p> 176 </div> 177 <div class="sect2" lang="en" xml:lang="en"> 178 <div class="titlepage"> 179 <div> 180 <div> 181 <h3 class="title"><a id="id1553752"></a> 182Class</h3> 183 </div> 184 </div> 185 </div> 186 <p> 187 <a class="link" href="db_multimap.html" title="Chapter 6. Db_multimap"> 188 db_multimap</a> 189 </p> 190 </div> 191 </div> 192 <div class="navfooter"> 193 <hr /> 194 <table width="100%" summary="Navigation footer"> 195 <tr> 196 <td width="40%" align="left"><a accesskey="p" href="db_multimap.html">Prev</a> </td> 197 <td width="20%" align="center"> 198 <a accesskey="u" href="db_multimap.html">Up</a> 199 </td> 200 <td width="40%" align="right"> <a accesskey="n" href="stldb_multimapequal_range.html">Next</a></td> 201 </tr> 202 <tr> 203 <td width="40%" align="left" valign="top">Chapter 6. 204 Db_multimap </td> 205 <td width="20%" align="center"> 206 <a accesskey="h" href="index.html">Home</a> 207 </td> 208 <td width="40%" align="right" valign="top"> 209equal_range 210</td> 211 </tr> 212 </table> 213 </div> 214 </body> 215</html> 216