| // 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(rustc_attrs)] |
| |
| use std::fmt; |
| |
| // CoerceUnsized is not implemented for tuples. You can still create |
| // an unsized tuple by transmuting a trait object. |
| fn any<T>() -> T { unreachable!() } |
| |
| #[rustc_error] |
| fn main() { //~ ERROR compilation successful |
| let t: &(u8, fmt::Debug) = any(); |
| println!("{:?}", &t.1); |
| } |
