1 // Copyright 2017 The Rust Project Developers. See the COPYRIGHT
2 // file at the top-level directory of this distribution and at
3 // http://rust-lang.org/COPYRIGHT.
5 // Licensed under the Apache License, Version 2.0 <LICENSE-APACHE or
6 // http://www.apache.org/licenses/LICENSE-2.0> or the MIT license
7 // <LICENSE-MIT or http://opensource.org/licenses/MIT>, at your
8 // option. This file may not be copied, modified, or distributed
9 // except according to those terms.
11 #![feature(rustc_attrs)]
15 // CoerceUnsized is not implemented for tuples. You can still create
16 // an unsized tuple by transmuting a trait object.
17 fn any<T>() -> T { unreachable!() }
20 fn main() { //~ ERROR compilation successful
21 let t: &(u8, fmt::Debug) = any();
22 println!("{:?}", &t.1);