mirror of https://github.com/rust-lang/rust
25 lines
1.3 KiB
Plaintext
25 lines
1.3 KiB
Plaintext
error[E0191]: the value of the associated type `Item` in `Iterator` must be specified
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--> $DIR/trait-hidden-method.rs:6:33
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LL | Box::new(1..=10) as Box<dyn Iterator>
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| ^^^^^^^^ help: specify the associated type: `Iterator<Item = Type>`
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error[E0271]: expected `Box<dyn Iterator>` to be an iterator that yields `u32`, but it yields `<dyn Iterator as Iterator>::Item`
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--> $DIR/trait-hidden-method.rs:3:32
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LL | pub fn i_can_has_iterator() -> impl Iterator<Item = u32> {
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| ^^^^^^^^^^^^^^^^^^^^^^^^^ expected associated type, found `u32`
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...
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LL | Box::new(1..=10) as Box<dyn Iterator>
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| ------------------------------------- return type was inferred to be `Box<dyn Iterator>` here
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= note: expected associated type `<dyn Iterator as Iterator>::Item`
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found type `u32`
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= help: consider constraining the associated type `<dyn Iterator as Iterator>::Item` to `u32` or calling a method that returns `<dyn Iterator as Iterator>::Item`
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= note: for more information, visit https://doc.rust-lang.org/book/ch19-03-advanced-traits.html
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error: aborting due to 2 previous errors
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Some errors have detailed explanations: E0191, E0271.
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For more information about an error, try `rustc --explain E0191`.
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