That doesn't mean that they aren’t still there, and don't tell you the type. It’s still a tagged pointer, and because all objects of the same type must be alloc

That doesn't mean that they aren’t still there, and don't tell you the type. It’s still a tagged pointer, and because all objects of the same type must be allocated out of the same page (or collection of pages), it still limits how much memory can be dedicated to objects of that type.