1 // Copyright 2014 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.
11 // Test which object types are considered sendable. This test
12 // is broken into two parts because some errors occur in distinct
13 // phases in the compiler. See kindck-send-object2.rs as well!
15 fn assert_send<T:Send+'static>() { }
18 // careful with object types, who knows what they close over...
20 assert_send::<&'a Dummy>();
21 //~^ ERROR `(dyn Dummy + 'a)` cannot be shared between threads safely [E0277]
24 assert_send::<&'a (Dummy+Sync)>();
25 //~^ ERROR does not fulfill the required lifetime
28 // ...unless they are properly bounded
30 assert_send::<&'static (Dummy+Sync)>();
33 assert_send::<Box<Dummy+Send>>();
36 // closure and object types can have lifetime bounds which make
39 assert_send::<Box<Dummy+'a>>();
40 //~^ ERROR `(dyn Dummy + 'a)` cannot be sent between threads safely