#define __PREVENT_DESTRUCTION(self) \
    ~self() = delete
#define __PREVENT_JUST_CONSTRUCTION(self) \
    self() = delete
#define __PREVENT_CONSTRUCTION(self) \
    __PREVENT_JUST_CONSTRUCTION(self); \
    __PREVENT_DESTRUCTION(self)
#define __PREVENT_COPY(self) \
    self(const self &) = delete; \
    self &operator=(const self &) = delete