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#include <QtGui>

#include <QByteArray>

#include <QDataStream>

//! [0]

struct Movie

{

    int id;

    QString title;

    QDate releaseDate;

};

//! [0]

//! [1]

QDataStream &operator<<(QDataStream &out, const Movie &movie)

{

    out << (quint32)movie.id << movie.title

        << movie.releaseDate;

    return out;

}

//! [1]

//! [2]

QDataStream &operator>>(QDataStream &in, Movie &movie)

{

    quint32 id;

    QDate date;

    in >> id >> movie.title >> date;

    movie.id = (int)id;

    movie.releaseDate = date;

    return in;

}

//! [2]

int main(int argc, char *argv[])

{

    QApplication app(argc, argv);

    Movie m;

    m.id = 0001;

    m.title = "Happy Meal";

    m.releaseDate = QDate(1995, 5, 17);

    QByteArray byteArray;

    QDataStream stream(&byteArray, QIODevice::WriteOnly);

    stream << m;

    // display

    qDebug() << m.id << m.releaseDate << m.title;

    Movie m2;

    int id2;

    QString title2;

    QDate date2;

    QDataStream stream2(byteArray);

    stream2 >> id2 >> title2 >> date2;

    m2.id = id2;

    m2.title = title2;

    m2.releaseDate = date2;

    qDebug() << id2 << " " << date2 << " " << title2;

    return 0;

}