| // 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. |
| |
| #![feature(box_syntax)] |
| |
| use std::ops::Index; |
| |
| struct MyVec<T> { |
| data: Vec<T>, |
| } |
| |
| impl<T> Index<usize> for MyVec<T> { |
| type Output = T; |
| |
| fn index(&self, i: usize) -> &T { |
| &self.data[i] |
| } |
| } |
| |
| fn main() { |
| let v = MyVec::<Box<_>> { data: vec![box 1, box 2, box 3] }; |
| let good = &v[0]; // Shouldn't fail here |
| let bad = v[0]; |
| //~^ ERROR cannot move out of indexed content |
| } |
