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// run-pass
#![feature(arbitrary_self_types)]
#![feature(rustc_attrs)]
use std::{
rc::Rc,
sync::Arc,
pin::Pin,
};
trait Trait {
fn by_rc(self: Rc<Self>) -> i64;
fn by_arc(self: Arc<Self>) -> i64;
fn by_pin_mut(self: Pin<&mut Self>) -> i64;
fn by_pin_box(self: Pin<Box<Self>>) -> i64;
fn by_pin_pin_pin_ref(self: Pin<Pin<Pin<&Self>>>) -> i64;
}
impl Trait for i64 {
fn by_rc(self: Rc<Self>) -> i64 {
*self
}
fn by_arc(self: Arc<Self>) -> i64 {
*self
}
fn by_pin_mut(self: Pin<&mut Self>) -> i64 {
*self
}
fn by_pin_box(self: Pin<Box<Self>>) -> i64 {
*self
}
fn by_pin_pin_pin_ref(self: Pin<Pin<Pin<&Self>>>) -> i64 {
*self
}
}
fn main() {
let rc = Rc::new(1i64) as Rc<dyn Trait>;
assert_eq!(1, rc.by_rc());
let arc = Arc::new(2i64) as Arc<dyn Trait>;
assert_eq!(2, arc.by_arc());
let mut value = 3i64;
let pin_mut = Pin::new(&mut value) as Pin<&mut dyn Trait>;
assert_eq!(3, pin_mut.by_pin_mut());
let pin_box = Into::<Pin<Box<i64>>>::into(Box::new(4i64)) as Pin<Box<dyn Trait>>;
assert_eq!(4, pin_box.by_pin_box());
let value = 5i64;
let pin_pin_pin_ref = Pin::new(Pin::new(Pin::new(&value))) as Pin<Pin<Pin<&dyn Trait>>>;
assert_eq!(5, pin_pin_pin_ref.by_pin_pin_pin_ref());
}
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