//! [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]