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50 
51 //! [0]
52 QFuture<QString> future = ...;
53 
54 QFuture<QString>::const_iterator i;
55 for (i = future.constBegin(); i != future.constEnd(); ++i)
56     cout << *i << Qt::endl;
57 //! [0]
58 
59 
60 //! [1]
61 QFuture<QString> future;
62 ...
63 QFutureIterator<QString> i(future);
64 while (i.hasNext())
65     qDebug() << i.next();
66 //! [1]
67 
68 
69 //! [2]
70 QFutureIterator<QString> i(future);
71 i.toBack();
72 while (i.hasPrevious())
73     qDebug() << i.previous();
74 //! [2]
75