Symbian3/SDK/Source/GUID-4FB4CAD4-52BD-5DC1-9B20-34DA77F70A9D.dita
author Dominic Pinkman <Dominic.Pinkman@Nokia.com>
Thu, 21 Jan 2010 18:18:20 +0000
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<?xml version="1.0" encoding="utf-8"?>
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<!-- Copyright (c) 2007-2010 Nokia Corporation and/or its subsidiary(-ies) All rights reserved. -->
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<!-- This component and the accompanying materials are made available under the terms of the License 
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"Eclipse Public License v1.0" which accompanies this distribution, 
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and is available at the URL "http://www.eclipse.org/legal/epl-v10.html". -->
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<!-- Initial Contributors:
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    Nokia Corporation - initial contribution.
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Contributors: 
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-->
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<!DOCTYPE concept
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  PUBLIC "-//OASIS//DTD DITA Concept//EN" "concept.dtd">
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<concept id="GUID-4FB4CAD4-52BD-5DC1-9B20-34DA77F70A9D" xml:lang="en"><title>Iterators</title><shortdesc>This document describes iterators within the context of doubly
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linked lists.</shortdesc><prolog><metadata><keywords/></metadata></prolog><conbody>
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<p>Iterators provide an easy way of cycling through the elements of a doubly
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linked list, using the post increment operator<codeph>++</codeph> and the
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post decrement operator<codeph>--</codeph>. They avoid the need to access
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the inner detail of link objects and list headers.</p>
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<p>An iterator is an instance of the templated class <codeph>TDblQueIter&lt;class
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T&gt;</codeph>. The class provides the behaviour for moving through the elements
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of a specific list. An iterator maintains a pointer to the current element
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in the list. The current element can be any element in the list.</p>
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</conbody></concept>