| // Copyright 2015 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. |
| |
| trait Foo<'a> { |
| fn bar<'b>(&self, x: &'b u8) -> u8 where 'a: 'b { *x+7 } |
| } |
| |
| pub struct FooBar; |
| impl Foo<'static> for FooBar {} |
| fn test(foobar: FooBar) -> Box<Foo<'static>> { |
| Box::new(foobar) |
| } |
| |
| fn main() { |
| assert_eq!(test(FooBar).bar(&4), 11); |
| } |
