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 // aux-build:trait_safety_lib.rs
13 // Simple smoke test that unsafe traits can be compiled across crates.
16 extern crate trait_safety_lib as lib;
20 struct Bar { x: isize }
21 unsafe impl Foo for Bar {
22 fn foo(&self) -> isize { self.x }
25 fn take_foo<F:Foo>(f: &F) -> isize { f.foo() }
29 assert_eq!(22, take_foo(&x));
31 let x: Bar = Bar { x: 23 };
32 assert_eq!(23, take_foo(&x));