| // 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. |
| |
| #![deny(dead_code)] |
| |
| union U1 { |
| a: u8, // should not be reported |
| b: u8, // should not be reported |
| c: u8, //~ ERROR field is never used |
| } |
| union U2 { |
| a: u8, //~ ERROR field is never used |
| b: u8, // should not be reported |
| c: u8, // should not be reported |
| } |
| union NoDropLike { a: u8 } //~ ERROR field is never used |
| |
| union U { |
| a: u8, // should not be reported |
| b: u8, // should not be reported |
| c: u8, //~ ERROR field is never used |
| } |
| type A = U; |
| |
| fn main() { |
| let u = U1 { a: 0 }; |
| let _a = unsafe { u.b }; |
| |
| let u = U2 { c: 0 }; |
| let _b = unsafe { u.b }; |
| |
| let _u = NoDropLike { a: 10 }; |
| let u = A { a: 0 }; |
| let _b = unsafe { u.b }; |
| } |