1 // run-pass
2
3 struct Point(isize, isize);
4
main()5 fn main() {
6 let mut x = Point(3, 2);
7 assert_eq!(x.0, 3);
8 assert_eq!(x.1, 2);
9 x.0 += 5;
10 assert_eq!(x.0, 8);
11 {
12 let ry = &mut x.1;
13 *ry -= 2;
14 x.0 += 3;
15 assert_eq!(x.0, 11);
16 }
17 assert_eq!(x.1, 0);
18
19 let mut x = (3, 2);
20 assert_eq!(x.0, 3);
21 assert_eq!(x.1, 2);
22 x.0 += 5;
23 assert_eq!(x.0, 8);
24 {
25 let ry = &mut x.1;
26 *ry -= 2;
27 x.0 += 3;
28 assert_eq!(x.0, 11);
29 }
30 assert_eq!(x.1, 0);
31
32 }
33