File: const_param_ty_impl_union.rs

package info (click to toggle)
rustc-web 1.78.0%2Bdfsg1-2~deb11u3
  • links: PTS, VCS
  • area: main
  • in suites: bullseye
  • size: 1,245,360 kB
  • sloc: xml: 147,985; javascript: 18,022; sh: 11,083; python: 10,265; ansic: 6,172; cpp: 5,023; asm: 4,390; makefile: 4,269
file content (32 lines) | stat: -rw-r--r-- 573 bytes parent folder | download
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
32
#![allow(incomplete_features)]
#![feature(adt_const_params)]

union Union {
    a: u8,
}

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

impl std::marker::ConstParamTy for Union {}
//~^ ERROR the type `Union` does not `#[derive(PartialEq)]`

#[derive(std::marker::ConstParamTy)]
//~^ 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() {}