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/****************************************************************************
**
** Copyright (C) 2009 Nokia Corporation and/or its subsidiary(-ies).
** 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]
class Employee
{
public:
    Employee(): sn(0) {}
    Employee( const QString& forename, const QString& surname, int salary )
	: fn(forename), sn(surname), sal(salary)
    {}

    QString forename() const { return fn; }
    QString surname() const { return sn; }
    int salary() const { return sal; }
    void setSalary( int salary ) { sal = salary; }

private:
    QString fn;
    QString sn;
    int sal;
};

typedef Q3ValueList<Employee> EmployeeList;
EmployeeList list;

list.append( Employee("John", "Doe", 50000) );
list.append( Employee("Jane", "Williams", 80000) );
list.append( Employee("Tom", "Jones", 60000) );

Employee mary( "Mary", "Hawthorne", 90000 );
list.append( mary );
mary.setSalary( 100000 );

EmployeeList::iterator it;
for ( it = list.begin(); it != list.end(); ++it )
    cout << (*it).surname().latin1() << ", " <<
	    (*it).forename().latin1() << " earns " <<
	    (*it).salary() << endl;

// Output:
// Doe, John earns 50000
// Williams, Jane earns 80000
// Hawthorne, Mary earns 90000
// Jones, Tom earns 60000
//! [0]


//! [1]
Q3ValueList<int> list;
list.append( 1 );
list.append( 2 );
list.append( 3 );
...
if ( !list.empty() ) {
    // OK, modify the first item
    int& i = list.first();
    i = 18;
}
...
Q3ValueList<double> dlist;
double d = dlist.last(); // undefined
//! [1]


//! [2]
Q3ValueList<int> l;
...
Q3ValueList<int>::iterator it = l.end();
--it;
if ( it != end() )
    // ...
//! [2]


//! [3]
Q3ValueList<int> l;
...
Q3ValueList<int>::iterator it = l.end();
--it;
if ( it != end() )
    // ...
//! [3]


//! [4]
EmployeeList::iterator it;
for ( it = list.begin(); it != list.end(); ++it )
    cout << (*it).surname().latin1() << ", " <<
	    (*it).forename().latin1() << " earns " <<
	    (*it).salary() << endl;

// Output:
// Doe, John earns 50000
// Williams, Jane earns 80000
// Hawthorne, Mary earns 90000
// Jones, Tom earns 60000
//! [4]