File: borrowck-fn-in-const-c.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 (23 lines) | stat: -rw-r--r-- 544 bytes parent folder | download | duplicates (18)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
// Check that we check fns appearing in constant declarations.
// Issue #22382.

// Returning local references?
struct DropString {
    inner: String
}
impl Drop for DropString {
    fn drop(&mut self) {
        self.inner.clear();
        self.inner.push_str("dropped");
    }
}
const LOCAL_REF: fn() -> &'static str = {
    fn broken() -> &'static str {
        let local = DropString { inner: format!("Some local string") };
        return &local.inner; //~ borrow may still be in use when destructor runs
    }
    broken
};

fn main() {
}