| // Copyright 2012 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. |
| |
| |
| |
| #[derive(Clone)] |
| struct myvec<X>(Vec<X> ); |
| |
| fn myvec_deref<X:Clone>(mv: myvec<X>) -> Vec<X> { |
| let myvec(v) = mv; |
| return v.clone(); |
| } |
| |
| fn myvec_elt<X>(mv: myvec<X>) -> X { |
| let myvec(v) = mv; |
| return v.into_iter().next().unwrap(); |
| } |
| |
| pub fn main() { |
| let mv = myvec(vec!(1, 2, 3)); |
| let mv_clone = mv.clone(); |
| let mv_clone = myvec_deref(mv_clone); |
| assert_eq!(mv_clone[1], 2); |
| assert_eq!(myvec_elt(mv.clone()), 1); |
| let myvec(v) = mv; |
| assert_eq!(v[2], 3); |
| } |
