rust/tests/ui/traits/dyn-trait.rs

17 lines
380 B
Rust

//@ run-pass
use std::fmt::Display;
static BYTE: u8 = 33;
fn main() {
let x: &(dyn 'static + Display) = &BYTE;
let y: Box<dyn Display + 'static> = Box::new(BYTE);
let _: &dyn (Display) = &BYTE;
let _: &dyn (::std::fmt::Display) = &BYTE;
let xstr = format!("{}", x);
let ystr = format!("{}", y);
assert_eq!(xstr, "33");
assert_eq!(ystr, "33");
}