--- /dev/null Thu Jan 01 00:00:00 1970 +0000
+++ b/doc/src/snippets/code/doc_src_q3memarray.qdoc Mon Jan 11 14:00:40 2010 +0000
@@ -0,0 +1,121 @@
+/****************************************************************************
+**
+** Copyright (C) 2009 Nokia Corporation and/or its subsidiary(-ies).
+** All rights reserved.
+** Contact: Nokia Corporation (qt-info@nokia.com)
+**
+** This file is part of the documentation of the Qt Toolkit.
+**
+** $QT_BEGIN_LICENSE:LGPL$
+** No Commercial Usage
+** This file contains pre-release code and may not be distributed.
+** You may use this file in accordance with the terms and conditions
+** contained in the Technology Preview License Agreement accompanying
+** this package.
+**
+** GNU Lesser General Public License Usage
+** Alternatively, this file may be used under the terms of the GNU Lesser
+** General Public License version 2.1 as published by the Free Software
+** Foundation and appearing in the file LICENSE.LGPL included in the
+** packaging of this file. Please review the following information to
+** ensure the GNU Lesser General Public License version 2.1 requirements
+** will be met: http://www.gnu.org/licenses/old-licenses/lgpl-2.1.html.
+**
+** In addition, as a special exception, Nokia gives you certain additional
+** rights. These rights are described in the Nokia Qt LGPL Exception
+** version 1.1, included in the file LGPL_EXCEPTION.txt in this package.
+**
+** If you have questions regarding the use of this file, please contact
+** Nokia at qt-info@nokia.com.
+**
+**
+**
+**
+**
+**
+**
+**
+** $QT_END_LICENSE$
+**
+****************************************************************************/
+
+//! [0]
+#include <q3memarray.h>
+#include <stdio.h>
+
+Q3MemArray<int> fib( int num ) // returns fibonacci array
+{
+ Q_ASSERT( num > 2 );
+ Q3MemArray<int> f( num ); // array of ints
+
+ f[0] = f[1] = 1;
+ for ( int i = 2; i < num; i++ )
+ f[i] = f[i-1] + f[i-2];
+
+ return f;
+}
+
+int main()
+{
+ Q3MemArray<int> a = fib( 6 ); // get first 6 fibonaccis
+ for ( int i = 0; i < a.size(); i++ )
+ qDebug( "%d: %d", i, a[i] );
+
+ qDebug( "1 is found %d times", a.contains(1) );
+ qDebug( "5 is found at index %d", a.find(5) );
+
+ return 0;
+}
+//! [0]
+
+
+//! [1]
+0: 1
+1: 1
+2: 2
+3: 3
+4: 5
+5: 8
+1 is found 2 times
+5 is found at index 4
+//! [1]
+
+
+//! [2]
+// MyStruct may be padded to 4 or 8 bytes
+struct MyStruct
+{
+ short i; // 2 bytes
+ char c; // 1 byte
+};
+
+Q3MemArray<MyStruct> a(1);
+a[0].i = 5;
+a[0].c = 't';
+
+MyStruct x;
+x.i = '5';
+x.c = 't';
+int i = a.find( x ); // may return -1 if the pad bytes differ
+//! [2]
+
+
+//! [3]
+static char bindata[] = { 231, 1, 44, ... };
+QByteArray a;
+a.setRawData( bindata, sizeof(bindata) ); // a points to bindata
+QDataStream s( a, IO_ReadOnly ); // open on a's data
+s >> <something>; // read raw bindata
+a.resetRawData( bindata, sizeof(bindata) ); // finished
+//! [3]
+
+
+//! [4]
+static char bindata[] = { 231, 1, 44, ... };
+QByteArray a, b;
+a.setRawData( bindata, sizeof(bindata) ); // a points to bindata
+a.resize( 8 ); // will crash
+b = a; // will crash
+a[2] = 123; // might crash
+// forget to resetRawData: will crash
+//! [4]