| // 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. |
| |
| fn send<T: Send>(_: T) {} |
| fn sync<T: Sync>(_: T) {} |
| |
| fn main() { |
| // `Cell` is not `Sync`, so `&Cell` is neither `Sync` nor `Send`, |
| // `std::fmt::Arguments` used to forget this... |
| let c = std::cell::Cell::new(42); |
| send(format_args!("{:?}", c)); //~ ERROR E0277 |
| sync(format_args!("{:?}", c)); //~ ERROR E0277 |
| } |
