]>
Commit | Line | Data |
---|---|---|
1a4d82fc | 1 | // Copyright 2014 The Rust Project Developers. See the COPYRIGHT |
223e47cc LB |
2 | // file at the top-level directory of this distribution and at |
3 | // http://rust-lang.org/COPYRIGHT. | |
4 | // | |
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. | |
10 | ||
c34b1796 AL |
11 | // pretty-expanded FIXME #23616 |
12 | ||
1a4d82fc JJ |
13 | trait Get { |
14 | type Value; | |
15 | fn get(&self) -> &<Self as Get>::Value; | |
223e47cc LB |
16 | } |
17 | ||
1a4d82fc | 18 | struct Struct { |
c34b1796 | 19 | x: isize, |
223e47cc LB |
20 | } |
21 | ||
1a4d82fc | 22 | impl Get for Struct { |
c34b1796 AL |
23 | type Value = isize; |
24 | fn get(&self) -> &isize { | |
1a4d82fc | 25 | &self.x |
223e47cc LB |
26 | } |
27 | } | |
28 | ||
1a4d82fc JJ |
29 | impl Struct { |
30 | fn grab<T:Get>(x: &T) -> &<T as Get>::Value { | |
31 | x.get() | |
32 | } | |
33 | } | |
223e47cc LB |
34 | |
35 | fn main() { | |
1a4d82fc JJ |
36 | let s = Struct { |
37 | x: 100, | |
38 | }; | |
39 | assert_eq!(*Struct::grab(&s), 100); | |
223e47cc | 40 | } |