#include <QCoreApplication>
#include <QVariant>
#include <QHash>
#include <QCache>
#include <QUuid>
#include <QPoint>
#include <QRect>
#include <QLine>
//#include <QVector2D>
//#include <QVector3D>
//#include <QVector4D>
//#include <QMatrix>
//#include <QMatrix4x4>
//#include <QSizePolicy>
#include <QStringRef>
#include <QByteArray>
#include <QUrl>
#include <QBitArray>
#include <QVarLengthArray>
#include <QDate>
#include <QTime>
#include <QRegularExpression>
#include <QSharedData>
#include <QSharedPointer>
#include <QSharedDataPointer>
#include <QExplicitlySharedDataPointer>
#include <QPointer>
#include <QWeakPointer>
#include <QScopedPointer>
#include <QScopedArrayPointer>
#include <QPair>
#include <QLinkedList>
#include <QMap>
#include <QSet>
//#include <QStandardItem>


int main(int argc, char* argv[])
{
    QCoreApplication a(argc, argv);

    QString  pickle = "my_pickle";
    QVariant tomato = "my_tomato";
    QStringList ingredients = { "my_onions", "my_mayo", "my_bun" };
    QVector<int> vints = { 1, 2, 3, 4 };
    QList<int> lints = { 1, 2, 3, 4 };
    QList<QVariant> vars = { 'a', "b", 3.0 };
    QHash<int, QChar> hints = { {1, 'a'}, {2, 'b'}, {3, 'c'} };
    QCache<int, double> dints; double dints_1 = 1., dints_2 = 2., dints_3 = 3.;
    dints.insert(1, &dints_1, 1);
    dints.insert(2, &dints_2, 2);
    dints.insert(3, &dints_3, 3);
    QUuid uuid(1,2,3,'1','2','3','4','5','6','7','8');
    QPoint pt( 1,2 );
    QRect rect(1, 2, 3, 4);
    QRectF rectf(1., 2., 3., 4.);
    QSize sz(1, 2);
    QLine line(1, 2, 3, 4);
    //QVector2D v2d(1, 2);
    //QVector3D v3d(1, 2, 3);
    //QVector4D v4d(1, 2, 3, 4);
    //QMatrix mat;
    //QMatrix4x4 mat4;
    QStringRef sref(&pickle);
    QByteArray barr("qbytearray", 10);
    QUrl url("http:://pickle.com");
    QBitArray ba(7, true);
    QVarLengthArray<int> vla = { 1, 2, 3, 4, 5 };
    QDate date(12, 1, 1967);
    QTime time(1,2,3,4);
    QRegularExpression re(QString("*pickle*"), QRegularExpression::NoPatternOption);
    QSharedPointer<int> sp = QSharedPointer<int>::create(1234);
    struct SD : QSharedData { int m_ = 1234; } sd;;
    QSharedDataPointer<SD> sdp(&sd);
    QExplicitlySharedDataPointer<SD> esdp(&sd);
    QObject obj;
    QPointer<QObject> p(&obj);
    QSharedPointer<int> sip = QSharedPointer<int>::create(1234);
    QWeakPointer<int> wp(sip);
    QScopedPointer<int> scp(new int(1234));
    QScopedArrayPointer<int> scqp(new int[4] {1, 2, 4, 4});
    QPair<int, double> pair(1234, 1234.0);
    QLinkedList<int> ll({ 1, 2, 3, 4 });
    QMap<int, double> map({ {1,1.0}, {2, 2.0}, {3, 3.0}, {4, 4.0} });
    QSet<int> s({ 1, 2, 3, 4 });


    int i = 1;

    return a.exec();
}