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//@ run-pass
#![allow(dead_code)]
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() {}
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