<?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>Chapter 20. Db_reverse_iterator</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="index.html" title="Berkeley DB C++ Standard Template Library API Reference" /> <link rel="prev" href="stldb_set_iteratorrefresh.html" title="refresh" /> <link rel="next" href="stldb_reverse_iteratoroperator_decr.html" title="operator--" /> </head> <body> <div class="navheader"> <table width="100%" summary="Navigation header"> <tr> <th colspan="3" align="center">Chapter 20. Db_reverse_iterator </th> </tr> <tr> <td width="20%" align="left"><a accesskey="p" href="stldb_set_iteratorrefresh.html">Prev</a> </td> <th width="60%" align="center"> </th> <td width="20%" align="right"> <a accesskey="n" href="stldb_reverse_iteratoroperator_decr.html">Next</a></td> </tr> </table> <hr /> </div> <div class="chapter" lang="en" xml:lang="en"> <div class="titlepage"> <div> <div> <h2 class="title"><a id="db_reverse_iterator"></a>Chapter 20. Db_reverse_iterator </h2> </div> </div> </div> <p>This class is the reverse class adaptor for all dbstl iterator classes. </p> <p>It inherits from real iterator classes like <a class="link" href="db_vector_iterator.html" title="Chapter 13. Db_vector_iterator">db_vector_iterator</a> , <a class="link" href="db_map_iterator.html" title="Chapter 16. Db_map_iterator">db_map_iterator</a> or <a class="link" href="db_set_iterator.html" title="Chapter 19. Db_set_iterator">db_set_iterator</a> . When you call container::rbegin(), you will get an instance of this class. </p> <h4><a id="id1567098"></a> See Also </h4> <p> </p> <p><a class="link" href="db_vector_base_iterator.html" title="Chapter 12. Db_vector_base_iterator">db_vector_base_iterator</a> <a class="link" href="db_vector_iterator.html" title="Chapter 13. Db_vector_iterator">db_vector_iterator</a> <a class="link" href="db_map_base_iterator.html" title="Chapter 15. Db_map_base_iterator">db_map_base_iterator</a> <a class="link" href="db_map_iterator.html" title="Chapter 16. Db_map_iterator">db_map_iterator</a> <a class="link" href="db_set_base_iterator.html" title="Chapter 18. Db_set_base_iterator">db_set_base_iterator</a> <a class="link" href="db_set_iterator.html" title="Chapter 19. Db_set_iterator">db_set_iterator</a> </p> <h4><a id="id1566986"></a> Public Members </h4> <div class="informaltable"> <table border="1" width="80%"> <colgroup> <col /> <col /> </colgroup> <thead> <tr> <th>Member</th> <th>Description</th> </tr> </thead> <tbody> <tr> <td> <a class="xref" href="db_reverse_iterator.html#stldb_reverse_iteratoroperator_incr" title="operator++"> operator++ </a> </td> <td> <p>Move this iterator forward by one element. </p> </td> </tr> <tr> <td> <a class="xref" href="stldb_reverse_iteratoroperator_decr.html" title="operator--"> operator-- </a> </td> <td> <p>Move this iterator backward by one element. </p> </td> </tr> <tr> <td> <a class="xref" href="stldb_reverse_iteratoroperator_add.html" title="operator+"> operator+ </a> </td> <td> <p>Iterator shuffle operator. </p> </td> </tr> <tr> <td> <a class="xref" href="stldb_reverse_iteratoroperator_sub.html" title="operator-"> operator- </a> </td> <td> <p>Iterator shuffle operator. </p> </td> </tr> <tr> <td> <a class="xref" href="stldb_reverse_iteratoroperator_ia.html" title="operator+="> operator+= </a> </td> <td> <p>Iterator shuffle operator. </p> </td> </tr> <tr> <td> <a class="xref" href="stldb_reverse_iteratoroperator_sa.html" title="operator-="> operator-= </a> </td> <td> <p>Iterator shuffle operator. </p> </td> </tr> <tr> <td> <a class="xref" href="stldb_reverse_iteratoroperator_lt.html" title="operator<"> operator< </a> </td> <td> <p>Less compare operator. </p> </td> </tr> <tr> <td> <a class="xref" href="stldb_reverse_iteratoroperator_gt.html" title="operator>"> operator> </a> </td> <td> <p>Greater compare operator. </p> </td> </tr> <tr> <td> <a class="xref" href="stldb_reverse_iteratoroperator_le.html" title="operator<="> operator<= </a> </td> <td> <p>Less equal compare operator. </p> </td> </tr> <tr> <td> <a class="xref" href="stldb_reverse_iteratoroperator_ge.html" title="operator>="> operator>= </a> </td> <td> <p>Greater equal compare operator. </p> </td> </tr> <tr> <td> <a class="xref" href="stldb_reverse_iteratordb_reverse_iterator.html" title="db_reverse_iterator"> db_reverse_iterator </a> </td> <td> <p>Constructor. Construct from an iterator of wrapped type. </p> </td> </tr> <tr> <td> <a class="xref" href="stldb_reverse_iteratoroperator_assign.html" title="operator="> operator= </a> </td> <td> <p>Assignment operator. </p> </td> </tr> <tr> <td> <a class="xref" href="stldb_reverse_iteratoroperator_sqbrk.html" title="operator[]"> operator[] </a> </td> <td> <p>Return the reference of the element which can be reached by moving this reverse iterator by Off times backward. </p> </td> </tr> </tbody> </table> </div> <h4><a id="id1567123"></a> Group</h4> <p> <a class="xref" href="dbstl_iterators.html" title="Chapter 9. Dbstl Iterator Classes"> Dbstl Iterator Classes </a> </p> <p> </p> <div class="sect1" lang="en" xml:lang="en"> <div class="titlepage"> <div> <div> <h2 class="title" style="clear: both"><a id="stldb_reverse_iteratoroperator_incr"></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"> self& operator++() </pre> <div class="sect3" lang="en" xml:lang="en"> <div class="titlepage"></div> <p>Move this iterator forward by one element. </p> <p></p> </div> <div class="sect3" lang="en" xml:lang="en"> <div class="titlepage"> <div> <div> <h4 class="title"><a id="id1567154"></a> Return Value</h4> </div> </div> </div> <p>The moved iterator at new position. </p> </div> <pre class="programlisting"> self operator++(int) </pre> <div class="sect3" lang="en" xml:lang="en"> <div class="titlepage"></div> <p>Move this iterator forward by one element. </p> <p></p> </div> <div class="sect3" lang="en" xml:lang="en"> <div class="titlepage"> <div> <div> <h4 class="title"><a id="id1567178"></a> Return Value</h4> </div> </div> </div> <p>The original iterator at old position. </p> </div> </div> <div class="sect2" lang="en" xml:lang="en"> <div class="titlepage"> <div> <div> <h3 class="title"><a id="id1566292"></a> Group: Reverse iterator movement functions</h3> </div> </div> </div> <p>When we talk about reverse iterator movement, we think the container is a uni-directional range, represented by [begin, end), and this is true no matter we are using iterators or reverse iterators.</p> <p>When an iterator is moved closer to "begin", we say it is moved forward, otherwise we say it is moved backward. </p> </div> <div class="sect2" lang="en" xml:lang="en"> <div class="titlepage"> <div> <div> <h3 class="title"><a id="id1567009"></a> Class</h3> </div> </div> </div> <p> <a class="link" href="db_reverse_iterator.html" title="Chapter 20. Db_reverse_iterator"> db_reverse_iterator</a> </p> </div> </div> </div> <div class="navfooter"> <hr /> <table width="100%" summary="Navigation footer"> <tr> <td width="40%" align="left"><a accesskey="p" href="stldb_set_iteratorrefresh.html">Prev</a> </td> <td width="20%" align="center"> </td> <td width="40%" align="right"> <a accesskey="n" href="stldb_reverse_iteratoroperator_decr.html">Next</a></td> </tr> <tr> <td width="40%" align="left" valign="top"> refresh </td> <td width="20%" align="center"> <a accesskey="h" href="index.html">Home</a> </td> <td width="40%" align="right" valign="top"> operator-- </td> </tr> </table> </div> </body> </html>