File: borrow-tuple-fields.rs

package info (click to toggle)
rustc 1.85.0%2Bdfsg3-1
  • links: PTS, VCS
  • area: main
  • in suites: experimental, sid, trixie
  • size: 893,396 kB
  • sloc: xml: 158,127; python: 35,830; javascript: 19,497; cpp: 19,002; sh: 17,245; ansic: 13,127; asm: 4,376; makefile: 1,051; perl: 29; lisp: 29; ruby: 19; sql: 11
file content (38 lines) | stat: -rw-r--r-- 619 bytes parent folder | download | duplicates (5)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
//@ run-pass

struct Foo(isize, isize);

fn main() {
    let x = (1, 2);
    let a = &x.0;
    let b = &x.0;
    assert_eq!(*a, 1);
    assert_eq!(*b, 1);

    let mut x = (1, 2);
    {
        let a = &x.0;
        let b = &mut x.1;
        *b = 5;
        assert_eq!(*a, 1);
    }
    assert_eq!(x.0, 1);
    assert_eq!(x.1, 5);


    let x = Foo(1, 2);
    let a = &x.0;
    let b = &x.0;
    assert_eq!(*a, 1);
    assert_eq!(*b, 1);

    let mut x = Foo(1, 2);
    {
        let a = &x.0;
        let b = &mut x.1;
        *b = 5;
        assert_eq!(*a, 1);
    }
    assert_eq!(x.0, 1);
    assert_eq!(x.1, 5);
}