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//@ revisions: cfail
#![feature(generic_const_exprs)]
#![allow(incomplete_features, unused_braces)]
struct Buffer<T, const S: usize>
where
[(); { S * 2 }]: Default,
{
data: [T; { S * 2 }],
}
struct BufferIter<'a, T, const S: usize>(&'a Buffer<T, S>)
where
[(); { S * 2 }]: Default;
impl<'a, T, const S: usize> Iterator for BufferIter<'a, T, S> {
//~^ error: the trait bound
//~^^ error: unconstrained generic constant
type Item = &'a T;
fn next(&mut self) -> Option<Self::Item> {
//~^ error: the trait bound
//~^^ error: unconstrained generic constant
None
}
}
fn main() {}
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