File: borrowck-move-from-subpath-of-borrowed-path.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 (17 lines) | stat: -rw-r--r-- 344 bytes parent folder | download | duplicates (21) 
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
 
// verify that an error is raised when trying to move out of a
// borrowed path.





fn main() {
    let a: Box<Box<_>> = Box::new(Box::new(2));
    let b = &a;

    let z = *a; //~ ERROR: cannot move out of `*a` because it is borrowed
    b.use_ref();
}

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