File: issue-85765-closure.rs

package info (click to toggle)
rustc 1.89.0%2Bdfsg1-1
  • links: PTS, VCS
  • area: main
  • in suites: forky, sid
  • size: 906,624 kB
  • sloc: xml: 158,148; python: 34,888; javascript: 19,595; sh: 19,221; ansic: 13,046; cpp: 7,144; asm: 4,376; makefile: 692; lisp: 174; sql: 15
file content (31 lines) | stat: -rw-r--r-- 1,268 bytes parent folder | download | duplicates (15)
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
fn main() {
    let _ = || {
        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
    };
}