| // Copyright 2018 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. |
| |
| // compile-pass |
| // compile-flags: -Wunused |
| |
| // ensure there are no special warnings about uninhabited types |
| // when deriving Debug on an empty enum |
| |
| #[derive(Debug)] |
| enum Void {} //~ WARN never used |
| |
| #[derive(Debug)] |
| enum Foo { //~ WARN never used |
| Bar(u8), |
| Void(Void), |
| } |
| |
| fn main() {} |
| |
