27 lines
764 B
Rust
27 lines
764 B
Rust
// 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.
|
|
|
|
use std::marker::PhantomData;
|
|
|
|
struct AssertSync<T: Sync>(PhantomData<T>);
|
|
|
|
pub struct Foo {
|
|
bar: *const Bar,
|
|
phantom: PhantomData<Bar>,
|
|
}
|
|
|
|
pub struct Bar {
|
|
foo: *const Foo,
|
|
phantom: PhantomData<Foo>,
|
|
}
|
|
|
|
fn main() {
|
|
let _: AssertSync<Foo> = unimplemented!(); //~ ERROR E0275
|
|
}
|