File: drop-foreign-fundamental.rs

package info (click to toggle)
rustc 1.85.0%2Bdfsg2-3
  • links: PTS, VCS
  • area: main
  • in suites: forky, sid, 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 (23 lines) | stat: -rw-r--r-- 393 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
use std::ops::Deref;
use std::pin::Pin;

struct Whatever<T>(T);

impl<T> Deref for Whatever<T> {
    type Target = T;

    fn deref(&self) -> &T {
        &self.0
    }
}

struct A;

impl Drop for Pin<Whatever<A>> {
    //~^ ERROR  the `Drop` trait may only be implemented for local structs, enums, and unions
    fn drop(&mut self) {}
}

fn main() {
    let x = Pin::new(Whatever(1.0f32));
}