File: fields-numeric-borrowck.rs

package info (click to toggle)
rustc 1.85.0%2Bdfsg2-3
  • links: PTS, VCS
  • area: main
  • in suites: trixie
  • size: 893,176 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; lisp: 29; perl: 29; ruby: 19; sql: 11
file content (13 lines) | stat: -rw-r--r-- 322 bytes parent folder | download | duplicates (29) 
1
2
3
4
5
6
7
8
9
10
11
12
13
 
struct S(u8);

fn main() {
    let mut s = S(0);
    let borrow1 = &mut s.0;
    let S { 0: ref mut borrow2 } = s;
    //~^ ERROR cannot borrow `s.0` as mutable more than once at a time
    borrow2.use_mut();
    borrow1.use_mut();
}

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