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//@ revisions: cfail
#![feature(generic_const_exprs, adt_const_params)]
#![allow(incomplete_features)]
use std::marker::ConstParamTy;
#[derive(PartialEq, Eq, ConstParamTy)]
struct NonZeroUsize(usize);
impl NonZeroUsize {
const fn get(self) -> usize {
self.0
}
}
// regression test for #77650
struct C<T, const N: NonZeroUsize>([T; N.get()])
where
[T; N.get()]: Sized;
impl<'a, const N: NonZeroUsize, A, B: PartialEq<A>> PartialEq<&'a [A]> for C<B, N>
where
[B; N.get()]: Sized,
{
fn eq(&self, other: &&'a [A]) -> bool {
self.0 == other
//~^ error: can't compare
}
}
fn main() {}
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