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17 lines
724 B
Plaintext
17 lines
724 B
Plaintext
error: lifetime may not live long enough
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--> $DIR/dyn-trait-underscore.rs:8:5
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LL | fn a<T>(items: &[T]) -> Box<dyn Iterator<Item=&T>> {
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| - let's call the lifetime of this reference `'1`
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LL | // ^^^^^^^^^^^^^^^^^^^^^ bound *here* defaults to `'static`
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LL | Box::new(items.iter())
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| ^^^^^^^^^^^^^^^^^^^^^^ returning this value requires that `'1` must outlive `'static`
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help: to declare that the trait object captures data from argument `items`, you can add an explicit `'_` lifetime bound
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LL | fn a<T>(items: &[T]) -> Box<dyn Iterator<Item=&T> + '_> {
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| ++++
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error: aborting due to 1 previous error
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