File: const_param_ty_impl_union.rs

package info (click to toggle)
rustc-web 1.85.0%2Bdfsg3-1~deb12u3
  • links: PTS, VCS
  • area: main
  • in suites: bookworm, bookworm-proposed-updates
  • size: 1,759,988 kB
  • sloc: xml: 158,127; python: 35,830; javascript: 19,497; cpp: 19,002; sh: 17,245; ansic: 13,127; asm: 4,376; makefile: 1,056; lisp: 29; perl: 29; ruby: 19; sql: 11
file content (31 lines) | stat: -rw-r--r-- 621 bytes parent folder | download | duplicates (6)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
#![allow(incomplete_features)]
#![feature(adt_const_params, unsized_const_params)]

union Union {
    a: u8,
}

impl PartialEq for Union {
    fn eq(&self, other: &Union) -> bool {
        true
    }
}
impl Eq for Union {}

impl std::marker::UnsizedConstParamTy for Union {}
//~^ ERROR the trait `ConstParamTy` may not be implemented for this type

#[derive(std::marker::UnsizedConstParamTy)]
//~^ ERROR this trait cannot be derived for unions
union UnionDerive {
    a: u8,
}

impl PartialEq for UnionDerive {
    fn eq(&self, other: &UnionDerive) -> bool {
        true
    }
}
impl Eq for UnionDerive {}

fn main() {}