| // Copyright 2017 The Rust Project Developers. See the COPYRIGHT |
| // file at the top-level directory of this distribution and at |
| // http://rust-lang.org/COPYRIGHT. |
| // |
| // Licensed under the Apache License, Version 2.0 <LICENSE-APACHE or |
| // http://www.apache.org/licenses/LICENSE-2.0> or the MIT license |
| // <LICENSE-MIT or http://opensource.org/licenses/MIT>, at your |
| // option. This file may not be copied, modified, or distributed |
| // except according to those terms. |
| |
| #![feature(dyn_trait)] |
| |
| 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 xstr = format!("{}", x); |
| let ystr = format!("{}", y); |
| assert_eq!(xstr, "33"); |
| assert_eq!(ystr, "33"); |
| } |
