#include <QApplication>
#include <QLineEdit>

// Only for Visual studio compliers (detect memory leaks)
#ifdef _MSC_VER
#define _CRTDBG_MAP_ALLOC
#include <stdlib.h>
#include <crtdbg.h>
#endif

int main(int argc, char *argv[])
{
#ifdef _MSC_VER
    // Work only in debug for Visual Studio
    // An automatic call to _CrtDumpMemoryLeaks at each exit point
    _CrtSetDbgFlag(_CRTDBG_ALLOC_MEM_DF | _CRTDBG_LEAK_CHECK_DF);
#endif

    QApplication a(argc, argv);

    QLineEdit le;
    le.setClearButtonEnabled(true);
    le.show();

    return a.exec();
}