File: move-of-addr-of-mut.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 (12 lines) | stat: -rw-r--r-- 310 bytes parent folder | download | duplicates (19) 
1
2
3
4
5
6
7
8
9
10
11
12
 
// Ensure that taking a mutable raw ptr to an uninitialized variable does not change its
// initializedness.

struct S;

fn main() {
    let mut x: S;
    std::ptr::addr_of_mut!(x); //~ ERROR E0381

    let y = x; // Should error here if `addr_of_mut` is ever allowed on uninitialized variables
    drop(y);
}