| // Copyright 2016 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. |
| |
| union U1 { // OK |
| a: u8, |
| } |
| |
| union U2<T: Copy> { // OK |
| a: T, |
| } |
| |
| union U3 { //~ ERROR unions with non-`Copy` fields are unstable |
| a: String, |
| } |
| |
| union U4<T> { //~ ERROR unions with non-`Copy` fields are unstable |
| a: T, |
| } |
| |
| union U5 { //~ ERROR unions with `Drop` implementations are unstable |
| a: u8, |
| } |
| |
| impl Drop for U5 { |
| fn drop(&mut self) {} |
| } |
| |
| fn main() {} |
