<?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>operator[]</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_vector_iterator.html" title="Chapter 13. Db_vector_iterator" /> <link rel="prev" href="stldb_vector_iteratoroperator_arrow.html" title="operator->" /> <link rel="next" href="stldb_vector_iteratorrefresh.html" title="refresh" /> </head> <body> <div class="navheader"> <table width="100%" summary="Navigation header"> <tr> <th colspan="3" align="center"> operator[] </th> </tr> <tr> <td width="20%" align="left"><a accesskey="p" href="stldb_vector_iteratoroperator_arrow.html">Prev</a> </td> <th width="60%" align="center">Chapter 13. Db_vector_iterator </th> <td width="20%" align="right"> <a accesskey="n" href="stldb_vector_iteratorrefresh.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_vector_iteratoroperator_sqbrk"></a> operator[] </h2> </div> </div> </div> <div class="sect2" lang="en" xml:lang="en"> <div class="titlepage"> <div> <div> <h3 class="title"><a id="func_details"></a> Function Details</h3> </div> </div> </div> <pre class="programlisting"> value_type_wrap operator[](difference_type _Off) const </pre> <div class="sect3" lang="en" xml:lang="en"> <div class="titlepage"></div> <p>Iterator index operator. </p> <p>If _Off not in a valid range, the returned value will be invalid. Note that you should use a value_type_wrap type to hold the returned value. </p> </div> <div class="sect3" lang="en" xml:lang="en"> <div class="titlepage"> <div> <div> <h4 class="title"><a id="id1562582"></a> Parameters</h4> </div> </div> </div> <div class="sect4" lang="en" xml:lang="en"> <div class="titlepage"> <div> <div> <h5 class="title"><a id="id1562571"></a> _Off </h5> </div> </div> </div> <p>The valid index relative to this iterator. </p> </div> </div> <div class="sect3" lang="en" xml:lang="en"> <div class="titlepage"> <div> <div> <h4 class="title"><a id="id1562297"></a> Return Value</h4> </div> </div> </div> <p>Return the element which is at position *this + _Off, which is an ElementRef<T> object if T is a class type or an ElementHolder<T> object if T is a C++ primitive data type. The returned value can be used to read or update its referenced element. </p> </div> </div> <div class="sect2" lang="en" xml:lang="en"> <div class="titlepage"> <div> <div> <h3 class="title"><a id="id1562298"></a> Class</h3> </div> </div> </div> <p> <a class="link" href="db_vector_iterator.html" title="Chapter 13. Db_vector_iterator"> db_vector_iterator</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_vector_iteratoroperator_arrow.html">Prev</a> </td> <td width="20%" align="center"> <a accesskey="u" href="db_vector_iterator.html">Up</a> </td> <td width="40%" align="right"> <a accesskey="n" href="stldb_vector_iteratorrefresh.html">Next</a></td> </tr> <tr> <td width="40%" align="left" valign="top"> operator-> </td> <td width="20%" align="center"> <a accesskey="h" href="index.html">Home</a> </td> <td width="40%" align="right" valign="top"> refresh </td> </tr> </table> </div> </body> </html>