| error[E0308]: mismatched types |
| --> $DIR/issue-70121.rs:19:5 |
| | |
| LL | pub type Successors<'a> = impl Iterator<Item = &'a ()>; |
| | ---------------------------- the expected opaque type |
| ... |
| LL | pub fn kazusa<'a>() -> <&'a () as Tr>::Item { |
| | -------------------- expected `Successors<'a>` because of return type |
| LL | None.into_iter() |
| | ^^^^^^^^^^^^^^^^ expected opaque type, found `IntoIter<_>` |
| | |
| = note: expected opaque type `Successors<'a>` |
| found struct `std::option::IntoIter<_>` |
| note: this item must have a `#[define_opaque(Successors)]` attribute to be able to define hidden types |
| --> $DIR/issue-70121.rs:18:8 |
| | |
| LL | pub fn kazusa<'a>() -> <&'a () as Tr>::Item { |
| | ^^^^^^ |
| |
| error: aborting due to 1 previous error |
| |
| For more information about this error, try `rustc --explain E0308`. |
