#include <QCoreApplication>
#include <QList>
#include <iostream>

class KPlayer;

static QList<KPlayer *> *playerList = new QList<KPlayer *>();

class KPlayer
{
public:
    KPlayer(const std::string& s1, const std::string& s2)
        : name1(s1), name2(s2)
    {}
    ~KPlayer()
    {
        // Just un-comment list->removeAll(this)
        // and you'll see the crash
        // playerList->removeAll(this);
        std::cout << "Removing " << name1 << std::endl;
    }

private:
    std::string name1;
    std::string name2;

};

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

    playerList->append(new KPlayer("Twist", "Oliver"));
    playerList->append(new KPlayer("Twist2", "Oliver2"));
    playerList->append(new KPlayer("Twist3", "Oliver3"));
    playerList->append(new KPlayer("Twist4", "Oliver4"));

    QList<KPlayer *>::iterator it = playerList->begin();
    QList<KPlayer *>::iterator it_e = playerList->end();

    for (; it != it_e; it++) {
        std::cout << "Count = " << playerList->count() << std::endl;
        delete (*it);
      }

    // Instead loop above qDeleteAll can be used.
    // Loop is used to print list count.
    // qDeleteAll(playerList);
    playerList->clear();
    delete (playerList);

    return a.exec();
}