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 // Test overloaded indexing combined with autoderef.
13 #![allow(unknown_features)]
14 #![feature(box_syntax)]
16 use std::ops::{Index, IndexMut};
23 impl Index<int> for Foo {
26 fn index(&self, z: int) -> &int {
35 impl IndexMut<int> for Foo {
36 fn index_mut(&mut self, z: int) -> &mut int {
47 fn get_from_ref(&self) -> int;
52 fn get(self) -> int { self }
53 fn get_from_ref(&self) -> int { *self }
54 fn inc(&mut self) { *self += 1; }
58 let mut f: Box<_> = box Foo {
69 // Test explicit IndexMut where `f` must be autoderef:
75 // Test explicit Index where `f` must be autoderef:
81 // Test calling methods with `&mut self`, `self, and `&self` receivers:
83 assert_eq!(f[1].get(), 5);
84 assert_eq!(f[1].get_from_ref(), 5);