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+/****************************************************************************
+**
+** Copyright (C) 2009 Nokia Corporation and/or its subsidiary(-ies).
+** Contact: Qt Software Information (qt-info@nokia.com)
+**
+** This file is part of the test suite 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 either Technology Preview License Agreement or the
+** Beta Release License Agreement.
+**
+** 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 1.0, included in the file LGPL_EXCEPTION.txt in this
+** package.
+**
+** GNU General Public License Usage
+** Alternatively, this file may be used under the terms of the GNU
+** General Public License version 3.0 as published by the Free Software
+** Foundation and appearing in the file LICENSE.GPL included in the
+** packaging of this file. Please review the following information to
+** ensure the GNU General Public License version 3.0 requirements will be
+** met: http://www.gnu.org/copyleft/gpl.html.
+**
+** If you are unsure which license is appropriate for your use, please
+** contact the sales department at qt-sales@nokia.com.
+** $QT_END_LICENSE$
+**
+****************************************************************************/
+#ifndef FUNCTIONS_H
+#define FUNCTIONS_H
+
+bool keepEvenIntegers(const int &x)
+{
+ return (x & 1) == 0;
+}
+
+class KeepEvenIntegers
+{
+public:
+ bool operator()(const int &x)
+ {
+ return (x & 1) == 0;
+ }
+};
+
+class Number
+{
+ int n;
+
+public:
+ Number()
+ : n(0)
+ { }
+
+ Number(int n)
+ : n(n)
+ { }
+
+ void multiplyBy2()
+ {
+ n *= 2;
+ }
+
+ Number multipliedBy2() const
+ {
+ return n * 2;
+ }
+
+ bool isEven() const
+ {
+ return (n & 1) == 0;
+ }
+
+ int toInt() const
+ {
+ return n;
+ }
+
+ QString toString() const
+ {
+ return QString::number(n);
+ }
+
+ bool operator==(const Number &other) const
+ {
+ return n == other.n;
+ }
+};
+
+void intSumReduce(int &sum, int x)
+{
+ sum += x;
+}
+
+class IntSumReduce
+{
+public:
+ void operator()(int &sum, int x)
+ {
+ sum += x;
+ }
+};
+
+void numberSumReduce(int &sum, const Number &x)
+{
+ sum += x.toInt();
+}
+
+class NumberSumReduce
+{
+public:
+ void operator()(int &sum, const Number &x)
+ {
+ sum += x.toInt();
+ }
+};
+
+#endif