<?xml version="1.0" encoding="UTF-8" standalone="no"?> <!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd"> <html xmlns="http://www.w3.org/1999/xhtml"> <head> <meta http-equiv="Content-Type" content="text/html; charset=UTF-8" /> <title>erase</title> <link rel="stylesheet" href="apiReference.css" type="text/css" /> <meta name="generator" content="DocBook XSL Stylesheets V1.73.2" /> <link rel="start" href="index.html" title="Berkeley DB C++ Standard Template Library API Reference" /> <link rel="up" href="db_map.html" title="Chapter 5. Db_map" /> <link rel="prev" href="stldb_mapempty.html" title="empty" /> <link rel="next" href="stldb_mapfind.html" title="find" /> </head> <body> <div xmlns="" class="navheader"> <div class="libver"> <p>Library Version 11.2.5.3</p> </div> <table width="100%" summary="Navigation header"> <tr> <th colspan="3" align="center">erase</th> </tr> <tr> <td width="20%" align="left"><a accesskey="p" href="stldb_mapempty.html">Prev</a> </td> <th width="60%" align="center">Chapter 5. Db_map </th> <td width="20%" align="right"> <a accesskey="n" href="stldb_mapfind.html">Next</a></td> </tr> </table> <hr /> </div> <div class="sect1" lang="en" xml:lang="en"> <div class="titlepage"> <div> <div> <h2 class="title" style="clear: both"><a id="stldb_maperase"></a>erase</h2> </div> </div> </div> <div class="sect2" lang="en" xml:lang="en"> <div class="titlepage"> <div> <div> <h3 class="title"><a id="stldb_maperase_details"></a>Function Details</h3> </div> </div> </div> <pre class="programlisting"> void erase(iterator pos) </pre> <p>Erase a key/data pair at specified position. </p> <div class="sect3" lang="en" xml:lang="en"> <div class="titlepage"> <div> <div> <h4 class="title"><a id="idp289760"></a>Parameters</h4> </div> </div> </div> <div class="sect4" lang="en" xml:lang="en"> <div class="titlepage"> <div> <div> <h5 class="title"><a id="idp296128"></a>pos</h5> </div> </div> </div> <p>An valid iterator of this container to erase. </p> </div> </div> <pre class="programlisting"> size_type erase(const key_type &x) </pre> <p>Erase elements by key. </p> <p>All key/data pairs with specified key x will be removed from underlying database. This function supports auto-commit. </p> <div class="sect3" lang="en" xml:lang="en"> <div class="titlepage"> <div> <div> <h4 class="title"><a id="idp298136"></a>Parameters</h4> </div> </div> </div> <div class="sect4" lang="en" xml:lang="en"> <div class="titlepage"> <div> <div> <h5 class="title"><a id="idp298328"></a>x</h5> </div> </div> </div> <p>The key to remove from the container. </p> </div> </div> <div class="sect3" lang="en" xml:lang="en"> <div class="titlepage"> <div> <div> <h4 class="title"><a id="idp293664"></a>Return Value</h4> </div> </div> </div> <p>The number of key/data pairs removed. </p> </div> <pre class="programlisting"> void erase(iterator first, iterator last) </pre> <p>Range erase. </p> <p>Erase all key/data pairs within the valid range [first, last). </p> <div class="sect3" lang="en" xml:lang="en"> <div class="titlepage"> <div> <div> <h4 class="title"><a id="idp299496"></a>Parameters</h4> </div> </div> </div> <div class="sect4" lang="en" xml:lang="en"> <div class="titlepage"> <div> <div> <h5 class="title"><a id="idp299688"></a>last</h5> </div> </div> </div> <p>The open boundary of the range. </p> </div> <div class="sect4" lang="en" xml:lang="en"> <div class="titlepage"> <div> <div> <h5 class="title"><a id="idp300528"></a>first</h5> </div> </div> </div> <p>The closed boundary of the range. </p> </div> </div> </div> <div class="sect2" lang="en" xml:lang="en"> <div class="titlepage"> <div> <div> <h3 class="title"><a id="idp288088"></a>Group: Erase Functions</h3> </div> </div> </div> <div class="simplesect" lang="en" xml:lang="en"> <div class="titlepage"></div> <p><a class="ulink" href="http://www.cplusplus.com/reference/stl/map/erase/" target="_top">http://www.cplusplus.com/reference/stl/map/erase/</a> </p> </div> <p> </p> </div> <div class="sect2" lang="en" xml:lang="en"> <div class="titlepage"> <div> <div> <h3 class="title"><a id="idp298456"></a>Class</h3> </div> </div> </div> <p> <a class="link" href="db_map.html" title="Chapter 5. Db_map">db_map</a> </p> </div> </div> <div class="navfooter"> <hr /> <table width="100%" summary="Navigation footer"> <tr> <td width="40%" align="left"><a accesskey="p" href="stldb_mapempty.html">Prev</a> </td> <td width="20%" align="center"> <a accesskey="u" href="db_map.html">Up</a> </td> <td width="40%" align="right"> <a accesskey="n" href="stldb_mapfind.html">Next</a></td> </tr> <tr> <td width="40%" align="left" valign="top">empty </td> <td width="20%" align="center"> <a accesskey="h" href="index.html">Home</a> </td> <td width="40%" align="right" valign="top"> find</td> </tr> </table> </div> </body> </html>