error: unnecessary use of `to_string` --> $DIR/unnecessary_to_owned_on_split.rs:19:13 | LL | let _ = "a".to_string().split('a').next().unwrap(); | ^^^^^^^^^^^^^^^^^^^^^^^^^^ help: use: `"a".split('a')` | = note: `-D clippy::unnecessary-to-owned` implied by `-D warnings` = help: to override `-D warnings` add `#[allow(clippy::unnecessary_to_owned)]` error: unnecessary use of `to_string` --> $DIR/unnecessary_to_owned_on_split.rs:21:13 | LL | let _ = "a".to_string().split("a").next().unwrap(); | ^^^^^^^^^^^^^^^^^^^^^^^^^^ help: use: `"a".split("a")` error: unnecessary use of `to_owned` --> $DIR/unnecessary_to_owned_on_split.rs:23:13 | LL | let _ = "a".to_owned().split('a').next().unwrap(); | ^^^^^^^^^^^^^^^^^^^^^^^^^ help: use: `"a".split('a')` error: unnecessary use of `to_owned` --> $DIR/unnecessary_to_owned_on_split.rs:25:13 | LL | let _ = "a".to_owned().split("a").next().unwrap(); | ^^^^^^^^^^^^^^^^^^^^^^^^^ help: use: `"a".split("a")` error: unnecessary use of `to_string` --> $DIR/unnecessary_to_owned_on_split.rs:27:13 | LL | let _ = Issue12068.to_string().split('a').next().unwrap(); | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: use: `Issue12068.as_ref().split('a')` error: unnecessary use of `to_vec` --> $DIR/unnecessary_to_owned_on_split.rs:30:13 | LL | let _ = [1].to_vec().split(|x| *x == 2).next().unwrap(); | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: use: `[1].split(|x| *x == 2)` error: unnecessary use of `to_vec` --> $DIR/unnecessary_to_owned_on_split.rs:32:13 | LL | let _ = [1].to_vec().split(|x| *x == 2).next().unwrap(); | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: use: `[1].split(|x| *x == 2)` error: unnecessary use of `to_owned` --> $DIR/unnecessary_to_owned_on_split.rs:34:13 | LL | let _ = [1].to_owned().split(|x| *x == 2).next().unwrap(); | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: use: `[1].split(|x| *x == 2)` error: unnecessary use of `to_owned` --> $DIR/unnecessary_to_owned_on_split.rs:36:13 | LL | let _ = [1].to_owned().split(|x| *x == 2).next().unwrap(); | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: use: `[1].split(|x| *x == 2)` error: aborting due to 9 previous errors