// 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 or the MIT license // , at your // option. This file may not be copied, modified, or distributed // except according to those terms. #![feature(associated_types)] use std::ops::Index; struct MyVec { data: Vec, } impl Index for MyVec { type Output = T; fn index(&self, &i: &uint) -> &T { &self.data[i] } } fn main() { let v = MyVec { data: vec!(box 1i, box 2, box 3) }; let good = &v[0]; // Shouldn't fail here let bad = v[0]; //~^ ERROR cannot move out of dereference (dereference is implicit, due to indexing) }