File: borrowck-closures-unique-imm.rs

package info (click to toggle)
rustc 1.87.0%2Bdfsg1-1
  • links: PTS, VCS
  • area: main
  • in suites: forky, sid
  • size: 925,564 kB
  • sloc: xml: 158,127; python: 36,039; javascript: 19,761; sh: 19,737; cpp: 18,981; ansic: 13,133; asm: 4,376; makefile: 710; perl: 29; lisp: 28; ruby: 19; sql: 11
file content (18 lines) | stat: -rw-r--r-- 314 bytes parent folder | download | duplicates (28) 
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
 
struct Foo {
    x: isize,
}

pub fn main() {
    let mut this = &mut Foo {
        x: 1,
    };
    let mut r = || {
        let p = &this.x;
        &mut this.x; //~ ERROR cannot borrow
        p.use_ref();
    };
    r()
}

trait Fake { fn use_mut(&mut self) { } fn use_ref(&self) { }  }
impl<T> Fake for T { }