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// check-pass
use std::marker::PhantomData;
pub struct ConcreteError {}
pub trait IoBase {}
struct X {}
impl IoBase for X {}
pub struct ClusterIterator<B, E, S = B> {
pub fat: B,
phantom_s: PhantomData<S>,
phantom_e: PhantomData<E>,
}
pub struct FileSystem<IO: IoBase> {
pub disk: IO,
}
impl<IO: IoBase> FileSystem<IO> {
pub fn cluster_iter(&self) -> ClusterIterator<impl IoBase + '_, ConcreteError> {
ClusterIterator {
fat: X {},
phantom_s: PhantomData::default(),
phantom_e: PhantomData::default(),
}
}
}
fn main() {}
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