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error[E0277]: `<P as Process<'_>>::Item` is not an iterator
--> $DIR/issue-22872.rs:20:36
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LL | let _: Box<for<'b> Wrap<'b>> = Box::new(Wrapper(process));
| ^^^^^^^^^^^^^^^^^^^^^^^^^^ `<P as Process<'_>>::Item` is not an iterator
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= help: the trait `std::iter::Iterator` is not implemented for `<P as Process<'_>>::Item`
= help: consider adding a `where <P as Process<'_>>::Item: std::iter::Iterator` bound
= note: required because of the requirements on the impl of `for<'b> Wrap<'b>` for `Wrapper<P>`
= note: required for the cast to the object type `dyn for<'b> Wrap<'b>`
error: aborting due to previous error
For more information about this error, try `rustc --explain E0277`.
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