| // 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. |
| |
| pub struct Outer<T: Trait>(T); |
| pub struct Inner<'a> { value: &'a bool } |
| |
| pub trait Trait { |
| type Error; |
| fn ready(self) -> Self::Error; |
| } |
| |
| impl<'a> Trait for Inner<'a> { |
| type Error = Outer<Inner<'a>>; |
| fn ready(self) -> Outer<Inner<'a>> { Outer(self) } |
| } |
| |
| fn main() { |
| let value = true; |
| let inner = Inner { value: &value }; |
| assert_eq!(inner.ready().0.value, &value); |
| } |
