| // Copyright 2018 The proptest developers | |
| // | |
| // 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. | |
| extern crate proptest_derive; | |
| use proptest_derive::Arbitrary; | |
| #[derive(Arbitrary)] //~ ERROR: [proptest_derive, E0002] | |
| union Foo { x: usize } |