rust/src/test/ui/underscore-lifetime/dyn-trait-underscore.stderr

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error[E0759]: `items` has an anonymous lifetime `'_` but it needs to satisfy a `'static` lifetime requirement
--> $DIR/dyn-trait-underscore.rs:8:20
|
LL | fn a<T>(items: &[T]) -> Box<dyn Iterator<Item=&T>> {
| ---- this data with an anonymous lifetime `'_`...
LL | // ^^^^^^^^^^^^^^^^^^^^^ bound *here* defaults to `'static`
LL | Box::new(items.iter())
| ---------------^^^^--- ...is captured and required to live as long as `'static` here
|
help: to declare that the trait object captures data from argument `items`, you can add an explicit `'_` lifetime bound
|
LL | fn a<T>(items: &[T]) -> Box<dyn Iterator<Item=&T> + '_> {
| ^^^^
error: aborting due to previous error
For more information about this error, try `rustc --explain E0759`.