error: manual implementation of `Iterator::find` --> $DIR/manual_find.rs:5:5 | LL | / for s in strings { LL | | if s == String::new() { LL | | return Some(s); LL | | } LL | | } LL | | None | |________^ help: replace with an iterator: `strings.into_iter().find(|s| s == String::new())` | = note: you may need to dereference some variables = note: `-D clippy::manual-find` implied by `-D warnings` error: manual implementation of `Iterator::find` --> $DIR/manual_find.rs:14:5 | LL | / for (s, _) in arr { LL | | if s == String::new() { LL | | return Some(s); LL | | } LL | | } LL | | None | |________^ help: replace with an iterator: `arr.into_iter().map(|(s, _)| s).find(|s| s == String::new())` | = note: you may need to dereference some variables error: aborting due to 2 previous errors