| // Copyright 2012 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. |
| |
| // Test that we can use ! as an argument to a trait impl. |
| |
| // error-pattern:oh no! |
| |
| #![feature(never_type)] |
| |
| struct Wub; |
| |
| impl PartialEq<!> for Wub { |
| fn eq(&self, other: &!) -> bool { |
| *other |
| } |
| } |
| |
| fn main() { |
| let _ = Wub == panic!("oh no!"); |
| } |
| |
