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.
14 use std::ops::{Index, IndexMut};
21 impl Index<isize> for Foo {
24 fn index(&self, z: isize) -> &isize {
33 impl IndexMut<isize> for Foo {
34 fn index_mut(&mut self, z: isize) -> &mut isize {
44 fn get(self) -> isize;
45 fn get_from_ref(&self) -> isize;
50 fn get(self) -> isize { self }
51 fn get_from_ref(&self) -> isize { *self }
52 fn inc(&mut self) { *self += 1; }
72 // Test calling methods with `&mut self`, `self, and `&self` receivers:
74 assert_eq!(f[1].get(), 5);
75 assert_eq!(f[1].get_from_ref(), 5);