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#![feature(adt_const_params)]
#![allow(incomplete_features)]
use std::marker::ConstParamTy;
#[derive(PartialEq, Eq, ConstParamTy)]
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
}
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