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1 | // Copyright 2013 The Rust Project Developers. See the COPYRIGHT |
2 | // file at the top-level directory of this distribution and at | |
3 | // http://rust-lang.org/COPYRIGHT. | |
4 | // | |
5 | // Licensed under the Apache License, Version 2.0 <LICENSE-APACHE or | |
6 | // http://www.apache.org/licenses/LICENSE-2.0> or the MIT license | |
7 | // <LICENSE-MIT or http://opensource.org/licenses/MIT>, at your | |
8 | // option. This file may not be copied, modified, or distributed | |
9 | // except according to those terms. | |
10 | ||
1a4d82fc | 11 | use std::cell::RefCell; |
970d7e83 | 12 | |
1a4d82fc | 13 | fn f<T: Sync>(_: T) {} |
223e47cc LB |
14 | |
15 | fn main() { | |
85aaf69f | 16 | let x = RefCell::new(0); |
1a4d82fc JJ |
17 | f(x); |
18 | //~^ ERROR `core::marker::Sync` is not implemented | |
223e47cc | 19 | } |