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error[E0107]: missing generics for associated type `StreamingIterator::Item`
--> $DIR/issue-81862.rs:3:40
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LL | fn next(&mut self) -> Option<Self::Item>;
| ^^^^ expected 1 lifetime argument
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note: associated type defined here, with 1 lifetime parameter: `'a`
--> $DIR/issue-81862.rs:2:10
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LL | type Item<'a>;
| ^^^^ --
help: add missing lifetime argument
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LL | fn next(&mut self) -> Option<Self::Item<'_>>;
| ++++
error: aborting due to 1 previous error
For more information about this error, try `rustc --explain E0107`.
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