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
33
34
35
|
#![feature(adt_const_params)]
#![allow(incomplete_features)]
#[derive(PartialEq, Eq)]
enum CompileFlag {
A,
B,
}
pub fn test_1<const CF: CompileFlag>() {}
pub fn test_2<T, const CF: CompileFlag>(x: T) {}
pub struct Example<const CF: CompileFlag, T=u32>{
x: T,
}
impl<const CF: CompileFlag, T> Example<CF, T> {
const ASSOC_FLAG: CompileFlag = CompileFlag::A;
}
pub fn main() {
test_1::<CompileFlag::A>();
//~^ ERROR: expected type, found variant
//~| ERROR: unresolved item provided when a constant was expected
test_2::<_, CompileFlag::A>(0);
//~^ ERROR: expected type, found variant
//~| ERROR: unresolved item provided when a constant was expected
let _: Example<CompileFlag::A, _> = Example { x: 0 };
//~^ ERROR: expected type, found variant
//~| ERROR: unresolved item provided when a constant was expected
let _: Example<Example::ASSOC_FLAG, _> = Example { x: 0 };
//~^ ERROR: type provided when a constant was expected
}
|
