klasy

#ifndef EVERYTHING_H
#define EVERYTHING_H

#include <QString>
#include <QObject>

enum class AE
{
    A1,
    A2
};

struct Base
{
public:
    const QString name;
    explicit Base(const QString& n)
        : name { n } {}
};

template<typename T>
struct Templ : public Base
{
public:
    explicit Templ(const QString& n)
        : Base(n) {}
};

class A : public QObject, public Templ<AE>
{
    Q_OBJECT

public:
    explicit A(QObject *parent = nullptr)
        : QObject(parent),
          Templ<AE>("a") {}
};

#endif // EVERYTHING_H