File: out-pointer-aliasing.rs

package info (click to toggle)
rustc 1.86.0%2Bdfsg1-1
  • links: PTS, VCS
  • area: main
  • in suites: experimental, forky, sid
  • size: 913,560 kB
  • sloc: xml: 158,127; python: 35,921; javascript: 19,689; sh: 19,600; cpp: 18,906; ansic: 13,124; asm: 4,376; makefile: 708; perl: 29; lisp: 29; ruby: 19; sql: 11
file content (23 lines) | stat: -rw-r--r-- 305 bytes parent folder | download | duplicates (13) 
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
 
//@ run-pass

#[derive(Copy, Clone)]
pub struct Foo {
    f1: isize,
    _f2: isize,
}

#[inline(never)]
pub fn foo(f: &mut Foo) -> Foo {
    let ret = *f;
    f.f1 = 0;
    ret
}

pub fn main() {
    let mut f = Foo {
        f1: 8,
        _f2: 9,
    };
    f = foo(&mut f);
    assert_eq!(f.f1, 8);
}