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//@ run-pass
#![feature(adt_const_params, unsized_const_params, generic_const_exprs)]
#![allow(incomplete_features)]
pub trait Foo {
const ASSOC_C: usize;
fn foo()
where
[(); Self::ASSOC_C]:;
}
struct Bar<const N: &'static ()>; //~ WARN struct `Bar` is never constructed
impl<const N: &'static ()> Foo for Bar<N> {
const ASSOC_C: usize = 3;
fn foo()
where
[u8; Self::ASSOC_C]:,
{
let _: [u8; Self::ASSOC_C] = loop {};
}
}
fn main() {}
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