--- /dev/null Thu Jan 01 00:00:00 1970 +0000
+++ b/Symbian3/SDK/Source/GUID-978DFDB1-4B20-5302-A9E4-9C7404A7CB16.dita Thu Jan 21 18:18:20 2010 +0000
@@ -0,0 +1,29 @@
+<?xml version="1.0" encoding="utf-8"?>
+<!-- Copyright (c) 2007-2010 Nokia Corporation and/or its subsidiary(-ies) All rights reserved. -->
+<!-- This component and the accompanying materials are made available under the terms of the License
+"Eclipse Public License v1.0" which accompanies this distribution,
+and is available at the URL "http://www.eclipse.org/legal/epl-v10.html". -->
+<!-- Initial Contributors:
+ Nokia Corporation - initial contribution.
+Contributors:
+-->
+<!DOCTYPE concept
+ PUBLIC "-//OASIS//DTD DITA Concept//EN" "concept.dtd">
+<concept id="GUID-978DFDB1-4B20-5302-A9E4-9C7404A7CB16" xml:lang="en"><title>The range
+checking wrapper for fixed length C++ arrays</title><shortdesc>C++ arrays do not provide range checking so Symbian platform offers
+a thin wrapper to add this functionality to arrays.</shortdesc><prolog><metadata><keywords/></metadata></prolog><conbody>
+<p>The C++ language provides <i>fixed length</i> arrays.</p>
+<p>It is often convenient to use these arrays in applications whenever the
+number of elements is fixed and known at compile time.</p>
+<p>The main disadvantage of using C++ arrays is that there is no automatic
+checking of index value. This means that it is possible to write over data
+that lies beyond the end of the allocated array size, and to read invalid
+data from beyond the end of the array.</p>
+<p>The templated class <codeph>TFixedArray<class T,TInt S></codeph>, is
+a thin wrapper for C++ arrays. The major benefits of using this class over
+a basic C++ array are the provision of range-checked indexing and support
+for object deletion. There is no runtime penalty for using this class if debug-only
+range-checking is used.</p>
+<p>The class can be embedded as a data member of <codeph>CBase</codeph>-derived
+objects. The class can also be used on the program stack.</p>
+</conbody></concept>
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