16 lines
741 B
Plaintext
16 lines
741 B
Plaintext
error[E0271]: type mismatch resolving `<Bar as Iterator>::Item == Box<(dyn for<'r> Fn(&'r (dyn ToString + 'r)) -> Option<String> + 'static)>`
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--> $DIR/issue-70877.rs:11:12
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LL | type FooRet = impl std::fmt::Debug;
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| -------------------- the expected opaque type
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...
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LL | type Foo = impl Iterator<Item = FooItem>;
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| ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ expected opaque type, found enum `Option`
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= note: expected struct `Box<(dyn for<'r> Fn(&'r (dyn ToString + 'r)) -> impl Debug + 'static)>`
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found struct `Box<(dyn for<'r> Fn(&'r (dyn ToString + 'r)) -> Option<String> + 'static)>`
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error: aborting due to previous error
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For more information about this error, try `rustc --explain E0271`.
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