error: unnecessarily eager cloning of iterator items --> $DIR/iter_overeager_cloned.rs:7:29 | LL | let _: Option = vec.iter().cloned().last(); | ^^^^^^^^^^---------------- | | | help: try: `.last().cloned()` | = note: `-D clippy::iter-overeager-cloned` implied by `-D warnings` error: unnecessarily eager cloning of iterator items --> $DIR/iter_overeager_cloned.rs:9:29 | LL | let _: Option = vec.iter().chain(vec.iter()).cloned().next(); | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^---------------- | | | help: try: `.next().cloned()` error: unneeded cloning of iterator items --> $DIR/iter_overeager_cloned.rs:11:20 | LL | let _: usize = vec.iter().filter(|x| x == &"2").cloned().count(); | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^----------------- | | | help: try: `.count()` | = note: `-D clippy::redundant-clone` implied by `-D warnings` error: unnecessarily eager cloning of iterator items --> $DIR/iter_overeager_cloned.rs:13:21 | LL | let _: Vec<_> = vec.iter().cloned().take(2).collect(); | ^^^^^^^^^^----------------- | | | help: try: `.take(2).cloned()` error: unnecessarily eager cloning of iterator items --> $DIR/iter_overeager_cloned.rs:15:21 | LL | let _: Vec<_> = vec.iter().cloned().skip(2).collect(); | ^^^^^^^^^^----------------- | | | help: try: `.skip(2).cloned()` error: unnecessarily eager cloning of iterator items --> $DIR/iter_overeager_cloned.rs:17:13 | LL | let _ = vec.iter().filter(|x| x == &"2").cloned().nth(2); | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^---------------- | | | help: try: `.nth(2).cloned()` error: unnecessarily eager cloning of iterator items --> $DIR/iter_overeager_cloned.rs:19:13 | LL | let _ = [Some(Some("str".to_string())), Some(Some("str".to_string()))] | _____________^ LL | | .iter() LL | | .cloned() LL | | .flatten(); | |__________________^ | help: try | LL ~ .iter() LL ~ .flatten().cloned(); | error: aborting due to 7 previous errors