rust/tests/ui/higher-rank-trait-bounds/issue-102899.rs
2023-01-11 09:32:08 +00:00

33 lines
608 B
Rust

// check-pass
pub trait BufferTrait<'buffer> {
type Subset<'channel>
where
'buffer: 'channel;
fn for_each_subset<F>(&self, f: F)
where
F: for<'channel> Fn(Self::Subset<'channel>);
}
pub struct SomeBuffer<'buffer> {
samples: &'buffer [()],
}
impl<'buffer> BufferTrait<'buffer> for SomeBuffer<'buffer> {
type Subset<'subset> = Subset<'subset> where 'buffer: 'subset;
fn for_each_subset<F>(&self, _f: F)
where
F: for<'subset> Fn(Subset<'subset>),
{
todo!()
}
}
pub struct Subset<'subset> {
buffer: &'subset [()],
}
fn main() {}