| // 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() {} |
