| //@ run-pass |
| |
| #![allow(dead_code)] |
| //@ pretty-expanded FIXME #23616 |
| |
| use std::ops::{Deref, DerefMut}; |
| |
| // Generic unique/owned smaht pointer. |
| struct Own<T> { |
| value: *mut T |
| } |
| |
| impl<T> Deref for Own<T> { |
| type Target = T; |
| |
| fn deref<'a>(&'a self) -> &'a T { |
| unsafe { &*self.value } |
| } |
| } |
| |
| impl<T> DerefMut for Own<T> { |
| fn deref_mut<'a>(&'a mut self) -> &'a mut T { |
| unsafe { &mut *self.value } |
| } |
| } |
| |
| struct Point { |
| x: isize, |
| y: isize |
| } |
| |
| impl Point { |
| fn get(&mut self) -> (isize, isize) { |
| (self.x, self.y) |
| } |
| } |
| |
| fn test0(mut x: Own<Point>) { |
| let _ = x.get(); |
| } |
| |
| fn test1(mut x: Own<Own<Own<Point>>>) { |
| let _ = x.get(); |
| } |
| |
| fn test2(mut x: Own<Own<Own<Point>>>) { |
| let _ = (**x).get(); |
| } |
| |
| fn main() {} |