File: safety-ok.rs

package info (click to toggle)
rustc 1.85.0%2Bdfsg2-3
  • links: PTS, VCS
  • area: main
  • in suites: 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 (18 lines) | stat: -rw-r--r-- 313 bytes parent folder | download | duplicates (16) 
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
 
//@ run-pass
// Simple smoke test that unsafe traits can be compiled etc.


unsafe trait Foo {
    fn foo(&self) -> isize;
}

unsafe impl Foo for isize {
    fn foo(&self) -> isize { *self }
}

fn take_foo<F:Foo>(f: &F) -> isize { f.foo() }

fn main() {
    let x: isize = 22;
    assert_eq!(22, take_foo(&x));
}