| // Copyright 2014 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 Get { |
| type Value; |
| fn get(&self) -> &<Self as Get>::Value; |
| fn grab(&self) -> &<Self as Get>::Value { |
| self.get() |
| } |
| } |
| |
| struct Struct { |
| x: isize, |
| } |
| |
| impl Get for Struct { |
| type Value = isize; |
| fn get(&self) -> &isize { |
| &self.x |
| } |
| } |
| |
| fn main() { |
| let s = Struct { |
| x: 100, |
| }; |
| assert_eq!(*s.grab(), 100); |
| } |
