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** this package.

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****************************************************************************/

//! [0]

foreach (variable, container)

    statement;

//! [0]

//! [1]

QList<QString> list;

...

foreach (QString str, list)

    cout << str.ascii() << endl;

//! [1]

//! [2]

QString str;

foreach (str, list)

    cout << str.ascii() << endl;

//! [2]

//! [3]

// forward                                  // backward

QList<QString> list;                        QList<QString> list;

...                                         ...

QListIterator<QString> i(list);             QListIterator<QString> i(list);        

while (i.hasNext())                         i.toBack();                            

    cout << i.next().ascii() << endl;       while (i.hasPrev())                    

                                                cout << i.prev().ascii() << endl;

//! [3]

//! [4]

// forward                                  // backward

QMutableListIterator<int> i(list);          QMutableListIterator<int> i(list);  

while (i.hasNext())                         i.toBack();                         

    if (i.next() > 128)                     while (i.hasPrev())                 

        i.setValue(128);                        if (i.prev() > 128)             

                                                    i.setValue(128);           

//! [4]

//! [5]

// forward                                  // backward

QMutableListIterator<int> i(list);          QMutableListIterator<int> i(list);                 

while (i.hasNext())                         i.toBack();                         

    if (i.next() % 2 != 0)                  while (i.hasPrev())                        

        i.remove();                             if (i.prev() % 2 != 0)          

                                                    i.remove();                 

//! [5]

//! [6]

// STL-style                                // Java-style

QMap<int, QWidget *>::const_iterator i;     QMapIterator<int, QWidget *> i(map);

for (i = map.begin(); i != map.end(); ++i)  while (i.findNext(widget))

    if (i.value() == widget)                    cout << "Found widget " << widget

        cout << "Found widget " << widget            << " under key "

             << " under key "                        << i.key() << endl;

             << i.key() << endl;

//! [6]

//! [7]

// STL-style                                // Java-style

QList<int>::iterator i = list.begin();      QMutableListIterator<int> i(list);

while (i != list.end()) {                   while (i.hasNext()) {

    if (*i == 0) {                              int val = i.next();

        i = list.erase(i);                      if (val < 0)

    } else {                                        i.setValue(-val);

        if (*i < 0)                             else if (val == 0)

            *i = -*i;                               i.remove();

        ++i;                                }

    }

}

//! [7]

//! [8]

QList<double> list;

...

for (int i = 0; i < list.size(); ++i) {

    if (list[i] < 0.0)

        list[i] = 0.0;

}

//! [8]

//! [9]

QMap<QString, int> map;

...

map.value("TIMEOUT", 30);  // returns 30 if "TIMEOUT" isn't in the map

//! [9]

//! [10]

QMultiMap<QString, int> map;

...

QList<int> values = map.values("TIMEOUT");

//! [10]