1 // Copyright 2014 The Rust Project Developers. See the COPYRIGHT
2 // file at the top-level directory of this distribution and at
3 // http://rust-lang.org/COPYRIGHT.
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.
11 use std::ops::{Index, IndexMut};
18 impl Index<String> for Foo {
21 fn index(&self, z: String) -> &isize {
30 impl IndexMut<String> for Foo {
31 fn index_mut(&mut self, z: String) -> &mut isize {
44 impl Index<isize> for Bar {
47 fn index<'a>(&'a self, z: isize) -> &'a isize {
57 let mut s = "hello".to_string();
61 //~^ ERROR cannot move out of `s` because it is borrowed
64 //~^ ERROR cannot move out of `s` because it is borrowed
65 //~| ERROR use of moved value: `s`
72 println!("{}", s[i]); // no error, i is copy