1 // Copyright 2015 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.
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.
13 use std::panic::{UnwindSafe, AssertUnwindSafe};
14 use std::cell::RefCell;
15 use std::sync::{Mutex, RwLock, Arc};
20 fn assert<T: UnwindSafe + ?Sized>() {}
26 assert::<*const i32>();
34 assert::<RefCell<i32>>();
36 assert::<Mutex<i32>>();
37 assert::<RwLock<i32>>();
38 assert::<&Mutex<i32>>();
39 assert::<&RwLock<i32>>();
42 assert::<Box<[u8]>>();
44 trait Trait: UnwindSafe {}
45 assert::<Box<Trait>>();
49 assert::<RwLock<T>>();
51 fn baz<T: UnwindSafe>() {
54 assert::<RefCell<T>>();
55 assert::<AssertUnwindSafe<T>>();
56 assert::<&AssertUnwindSafe<T>>();
57 assert::<Rc<AssertUnwindSafe<T>>>();
58 assert::<Arc<AssertUnwindSafe<T>>>();