error[E0382]: borrow of moved value: `helpers` --> $DIR/copy-suggestion-region-vid.rs:13:43 | LL | let helpers = [vec![], vec![]]; | ------- move occurs because `helpers` has type `[Vec<&i64>; 2]`, which does not implement the `Copy` trait LL | LL | HelperStruct { helpers, is_empty: helpers[0].is_empty() } | ------- ^^^^^^^^^^ value borrowed here after move | | | value moved here | help: consider cloning the value if the performance cost is acceptable | LL | HelperStruct { helpers: helpers.clone(), is_empty: helpers[0].is_empty() } | +++++++++++++++++ error: aborting due to previous error For more information about this error, try `rustc --explain E0382`.