//@ run-pass | |
use std::ops::Deref; | |
pub struct Pin<P>(P); | |
impl<P, T> Deref for Pin<P> | |
where | |
P: Deref<Target=T>, | |
{ | |
type Target = T; | |
fn deref(&self) -> &T { | |
&*self.0 | |
} | |
} | |
impl<P> Pin<P> { | |
fn poll(self) {} | |
} | |
fn main() { | |
let mut unit = (); | |
let pin = Pin(&mut unit); | |
pin.poll(); | |
} |