pointers

    // --- unique_ptr ---
    T unique uptr(new T); // std::unique_ptr<T> uptr(std::make_unique<T>());
    uptr = T();           // *uptr = T();
    uptr.foo();           // uptr->foo();
    uptr->reset(new T);   // uptr = std::make_unique<T>();
    (@uptr).reset(new T); // uptr = std::make_unique<T>();
    (*@uptr).foo();       // uptr->foo();

    // --- pointeur ---
    int x(123), y(456);
    int& ref(x); // int* ref = &x;
    ref = 345;   // *ref = 345;
    @ref = @y;   // ref = &y;
    assert(ref isnot null); // assert(ref != nullptr)

    // --- pointer X unique_ptr ---
    T& ptr(uptr);
    @ptr = @uptr;