blob: 42a65c701f76c9e664991d0a4eab7e47b130bc27 (
plain)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
|
//@ run-pass
//@ pretty-expanded FIXME #23616
#![allow(unused_variables)]
trait Bar {
fn noop(&self); //~ WARN method `noop` is never used
}
impl Bar for u8 {
fn noop(&self) {}
}
fn main() {
let (a, b) = (&5u8 as &dyn Bar, &9u8 as &dyn Bar);
let (c, d): (&dyn Bar, &dyn Bar) = (a, b);
let (a, b) = (Box::new(5u8) as Box<dyn Bar>, Box::new(9u8) as Box<dyn Bar>);
let (c, d): (&dyn Bar, &dyn Bar) = (&*a, &*b);
let (c, d): (&dyn Bar, &dyn Bar) = (&5, &9);
}
|
