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#include <QCoreApplication>
#include <QQmlEngine>
#include <QQmlComponent>
#include <QDebug>
#include "birthdayparty.h"
#include "person.h"

int main(int argc, char ** argv)
{
    QCoreApplication app(argc, argv);

    QQmlEngine engine;
    QQmlComponent component(&engine, QUrl("qrc:example.qml"));
    auto *party = qobject_cast<BirthdayParty *>(component.create());

    if (party && party->host()) {
        qWarning() << party->host()->name() << "is having a birthday!";

        if (qobject_cast<Boy *>(party->host()))
            qWarning() << "He is inviting:";
        else
            qWarning() << "She is inviting:";

        for (int ii = 0; ii < party->guestCount(); ++ii) {
            Person *guest = party->guest(ii);

            //! [query rsvp]
            QDate rsvpDate;
            QObject *attached = qmlAttachedPropertiesObject<BirthdayParty>(guest, false);

            if (attached)
                rsvpDate = attached->property("rsvp").toDate();
            //! [query rsvp]
            if (rsvpDate.isNull())
                qWarning() << "   " << guest->name() << "RSVP date: Hasn't RSVP'd";
            else
                qWarning() << "   " << guest->name() << "RSVP date:" << qPrintable(rsvpDate.toString());
        }

        return EXIT_SUCCESS;
    }

    qWarning() << component.errors();
    return EXIT_FAILURE;
}