| // 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. |
| |
| |
| struct Point(isize, isize); |
| |
| fn main() { |
| let mut x = Point(3, 2); |
| assert_eq!(x.0, 3); |
| assert_eq!(x.1, 2); |
| x.0 += 5; |
| assert_eq!(x.0, 8); |
| { |
| let ry = &mut x.1; |
| *ry -= 2; |
| x.0 += 3; |
| assert_eq!(x.0, 11); |
| } |
| assert_eq!(x.1, 0); |
| |
| let mut x = (3, 2); |
| assert_eq!(x.0, 3); |
| assert_eq!(x.1, 2); |
| x.0 += 5; |
| assert_eq!(x.0, 8); |
| { |
| let ry = &mut x.1; |
| *ry -= 2; |
| x.0 += 3; |
| assert_eq!(x.0, 11); |
| } |
| assert_eq!(x.1, 0); |
| |
| } |
