File: union-lint-dead-code.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 (15 lines) | stat: -rw-r--r-- 223 bytes parent folder | download | duplicates (16) 
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
 
#![deny(dead_code)]

union Foo {
    x: usize,
    b: bool, //~ ERROR: field `b` is never read
    _unused: u16,
}

fn field_read(f: Foo) -> usize {
    unsafe { f.x }
}

fn main() {
    let _ = field_read(Foo { x: 2 });
}