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//! [0]
class Employee
{
public:
Employee() {}
Employee(const Employee &other);
Employee &operator=(const Employee &other);
private:
QString myName;
QDate myDateOfBirth;
};
//! [0]
//! [1]
QList<QString> list;
list << "A" << "B" << "C" << "D";
QListIterator<QString> i(list);
while (i.hasNext())
qDebug() << i.next();
//! [1]
//! [2]
QListIterator<QString> i(list);
i.toBack();
while (i.hasPrevious())
qDebug() << i.previous();
//! [2]
//! [3]
QMutableListIterator<int> i(list);
while (i.hasNext()) {
if (i.next() % 2 != 0)
i.remove();
}
//! [3]
//! [4]
QMutableListIterator<int> i(list);
i.toBack();
while (i.hasPrevious()) {
if (i.previous() % 2 != 0)
i.remove();
}
//! [4]
//! [5]
QMutableListIterator<int> i(list);
while (i.hasNext()) {
if (i.next() > 128)
i.setValue(128);
}
//! [5]
//! [6]
QMutableListIterator<int> i(list);
while (i.hasNext())
i.next() *= 2;
//! [6]
//! [7]
QMap<QString, QString> map;
map.insert("Paris", "France");
map.insert("Guatemala City", "Guatemala");
map.insert("Mexico City", "Mexico");
map.insert("Moscow", "Russia");
...
QMutableMapIterator<QString, QString> i(map);
while (i.hasNext()) {
if (i.next().key().endsWith("City"))
i.remove();
}
//! [7]
//! [8]
QMap<int, QWidget *> map;
QHash<int, QWidget *> hash;
QMapIterator<int, QWidget *> i(map);
while (i.hasNext()) {
i.next();
hash.insert(i.key(), i.value());
}
//! [8]
//! [9]
QMutableMapIterator<int, QWidget *> i(map);
while (i.findNext(widget))
i.remove();
//! [9]
//! [10]
QList<QString> list;
list << "A" << "B" << "C" << "D";
QList<QString>::iterator i;
for (i = list.begin(); i != list.end(); ++i)
*i = (*i).toLower();
//! [10]
//! [11]
QList<QString> list;
list << "A" << "B" << "C" << "D";
QList<QString>::iterator i = list.end();
while (i != list.begin()) {
--i;
*i = (*i).toLower();
}
//! [11]
//! [12]
QList<QString>::const_iterator i;
for (i = list.constBegin(); i != list.constEnd(); ++i)
qDebug() << *i;
//! [12]
//! [13]
QMap<int, int> map;
...
QMap<int, int>::const_iterator i;
for (i = map.constBegin(); i != map.constEnd(); ++i)
qDebug() << i.key() << ":" << i.value();
//! [13]
//! [14]
// RIGHT
const QList<int> sizes = splitter->sizes();
QList<int>::const_iterator i;
for (i = sizes.begin(); i != sizes.end(); ++i)
...
// WRONG
QList<int>::const_iterator i;
for (i = splitter->sizes().begin();
i != splitter->sizes().end(); ++i)
...
//! [14]
//! [15]
QLinkedList<QString> list;
...
QString str;
foreach (str, list)
qDebug() << str;
//! [15]
//! [16]
QLinkedList<QString> list;
...
QLinkedListIterator<QString> i(list);
while (i.hasNext())
qDebug() << i.next();
//! [16]
//! [17]
QLinkedList<QString> list;
...
foreach (QString str, list)
qDebug() << str;
//! [17]
//! [18]
QLinkedList<QString> list;
...
foreach (QString str, list) {
if (str.isEmpty())
break;
qDebug() << str;
}
//! [18]
//! [19]
QMap<QString, int> map;
...
foreach (QString str, map.keys())
qDebug() << str << ":" << map.value(str);
//! [19]
//! [20]
QMultiMap<QString, int> map;
...
foreach (QString str, map.uniqueKeys()) {
foreach (int i, map.values(str))
qDebug() << str << ":" << i;
}
//! [20]
//! [21]
forever {
...
}
//! [21]
//! [22]
CONFIG += no_keywords
//! [22]
//! [23]
QString onlyLetters(const QString &in)
{
QString out;
for (int j = 0; j < in.size(); ++j) {
if (in[j].isLetter())
out += in[j];
}
return out;
}
//! [23]
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