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#![feature(specialization)]
#![allow(incomplete_features)]
pub trait ReflectDrop {
const REFLECT_DROP: bool = false;
}
impl<T> ReflectDrop for T where T: Clone {}
pub trait PinDropInternal {
fn is_valid()
where
Self: ReflectDrop;
}
struct Bears<T>(T);
default impl<T> ReflectDrop for Bears<T> {}
impl<T: Sized> PinDropInternal for Bears<T> {
fn is_valid()
where
Self: ReflectDrop,
{
let _ = [(); 0 - !!(<Bears<T> as ReflectDrop>::REFLECT_DROP) as usize]; //~ ERROR constant expression depends on a generic parameter
}
}
fn main() {}
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