File: issue-85765.rs

package info (click to toggle)
rustc 1.85.0%2Bdfsg3-1
  • links: PTS, VCS
  • area: main
  • in suites: experimental, 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 (29 lines) | stat: -rw-r--r-- 1,148 bytes parent folder | download | duplicates (9)
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
fn main() {
    let mut test = Vec::new();
    let rofl: &Vec<Vec<i32>> = &mut test;
    //~^ HELP consider changing this binding's type
    rofl.push(Vec::new());
    //~^ ERROR cannot borrow `*rofl` as mutable, as it is behind a `&` reference
    //~| NOTE `rofl` is a `&` reference, so the data it refers to cannot be borrowed as mutable

    let mut mutvar = 42;
    let r = &mutvar;
    //~^ HELP consider changing this to be a mutable reference
    *r = 0;
    //~^ ERROR cannot assign to `*r`, which is behind a `&` reference
    //~| NOTE `r` is a `&` reference, so the data it refers to cannot be written

    #[rustfmt::skip]
    let x: &usize = &mut{0};
    //~^ HELP consider changing this binding's type
    *x = 1;
    //~^ ERROR cannot assign to `*x`, which is behind a `&` reference
    //~| NOTE `x` is a `&` reference, so the data it refers to cannot be written

    #[rustfmt::skip]
    let y: &usize = &mut(0);
    //~^ HELP consider changing this binding's type
    *y = 1;
    //~^ ERROR cannot assign to `*y`, which is behind a `&` reference
    //~| NOTE `y` is a `&` reference, so the data it refers to cannot be written
}