//! [0]
    #include <qvaluevector.h>
    #include <qstring.h>
    #include <stdio.h>

    class Employee
    {
    public:
	Employee(): s(0) {}
	Employee( const QString& name, int salary )
	    : n( name ), s( salary )
	{ }

	QString name()   const	 	{ return n; }
	int	salary() const	 	{ return s; }
	void	setSalary( int salary )	{ s = salary; }
    private:
	QString n;
	int     s;
    };

    int main()
    {
	typedef Q3ValueVector<Employee> EmployeeVector;
	EmployeeVector vec( 3 );  // vector of 3 Employees

	vec[0] = Employee( "Bill", 50000 );
	vec[1] = Employee( "Steve", 80000 );
	vec[2] = Employee( "Ron", 60000 );

	Employee joe( "Joe", 50000 );
	vec.push_back( joe );  // vector expands to accommodate 4 Employees
	joe.setSalary( 70000 );
	
	EmployeeVector::iterator it;
	for( it = vec.begin(); it != vec.end(); ++it )
	    printf( "%s earns %d\n", (*it).name().latin1(), (*it).salary() );

	return 0;
    }
//! [0]


//! [1]
	Bill earns 50000
	Steve earns 80000
	Ron earns 60000
	Joe earns 50000
//! [1]


//! [2]
    Q3ValueVector<int> vec1;  // an empty vector
    vec1[10] = 4;  // WARNING: undefined, probably a crash

    Q3ValueVector<QString> vec2(25); // initialize with 25 elements
    vec2[10] = "Dave";  // OK
//! [2]


//! [3]
    void func( Q3ValueVector<int>& vec )
    {
	if ( vec.size() > 10 ) {
	    vec[9] = 99; // OK
	}
    };
//! [3]


//! [4]
    Q3ValueVector<int> vec( 3 );
    vec.push_back( 1 );
    vec.push_back( 2 );
    vec.push_back( 3 );
    ...
    if ( !vec.empty() ) {
	// OK: modify the first element
	int& i = vec.front();
	i = 18;
    }
    ...
    Q3ValueVector<double> dvec;
    double d = dvec.back(); // undefined behavior
//! [4]


