(self, item: StackItem)
| 47 | return PointerOffset(0, (), ()) |
| 48 | |
| 49 | def pop(self, item: StackItem) -> "PointerOffset": |
| 50 | return self - PointerOffset.from_item(item) |
| 51 | |
| 52 | def push(self, item: StackItem) -> "PointerOffset": |
| 53 | return self + PointerOffset.from_item(item) |