mirror of https://github.com/rust-lang/rust
32 lines
1.3 KiB
Plaintext
32 lines
1.3 KiB
Plaintext
error[E0309]: the associated type `<T as Iterator>::Item` may not live long enough
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--> $DIR/projection-no-regions-fn.rs:13:5
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LL | fn no_region<'a, T>(mut x: T) -> Box<dyn Anything + 'a>
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| -- the associated type `<T as Iterator>::Item` must be valid for the lifetime `'a` as defined here...
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...
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LL | Box::new(x.next())
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| ^^^^^^^^^^^^^^^^^^ ...so that the type `<T as Iterator>::Item` will meet its required lifetime bounds
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help: consider adding an explicit lifetime bound
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LL | T: Iterator, <T as Iterator>::Item: 'a
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| ~~~~~~~~~~~~~~~~~~~~~~~~~~~
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error[E0309]: the associated type `<T as Iterator>::Item` may not live long enough
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--> $DIR/projection-no-regions-fn.rs:28:5
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LL | fn wrong_region<'a, 'b, T>(mut x: T) -> Box<dyn Anything + 'a>
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| -- the associated type `<T as Iterator>::Item` must be valid for the lifetime `'a` as defined here...
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...
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LL | Box::new(x.next())
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| ^^^^^^^^^^^^^^^^^^ ...so that the type `<T as Iterator>::Item` will meet its required lifetime bounds
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help: consider adding an explicit lifetime bound
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LL | T: 'b + Iterator, <T as Iterator>::Item: 'a
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| ~~~~~~~~~~~~~~~~~~~~~~~~~~~
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error: aborting due to 2 previous errors
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For more information about this error, try `rustc --explain E0309`.
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