File: slice-borrow.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 (14 lines) | stat: -rw-r--r-- 333 bytes parent folder | download | duplicates (26)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
// Test slicing expressions doesn't defeat the borrow checker.

fn main() {
    let y;
    {
        let x: &[isize] = &vec![1, 2, 3, 4, 5];
        //~^ ERROR temporary value dropped while borrowed
        y = &x[1..];
    }
    y.use_ref();
}

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