error: you should use the `starts_with` method --> $DIR/starts_ends_with.rs:16:5 | LL | "".chars().next() == Some(' '); | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: like this: `"".starts_with(' ')` | = note: `-D clippy::chars-next-cmp` implied by `-D warnings` error: you should use the `starts_with` method --> $DIR/starts_ends_with.rs:17:5 | LL | Some(' ') != "".chars().next(); | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: like this: `!"".starts_with(' ')` error: you should use the `starts_with` method --> $DIR/starts_ends_with.rs:22:8 | LL | if s.chars().next().unwrap() == 'f' { | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: like this: `s.starts_with('f')` error: you should use the `ends_with` method --> $DIR/starts_ends_with.rs:26:8 | LL | if s.chars().next_back().unwrap() == 'o' { | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: like this: `s.ends_with('o')` | = note: `-D clippy::chars-last-cmp` implied by `-D warnings` error: you should use the `ends_with` method --> $DIR/starts_ends_with.rs:30:8 | LL | if s.chars().last().unwrap() == 'o' { | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: like this: `s.ends_with('o')` error: you should use the `starts_with` method --> $DIR/starts_ends_with.rs:34:8 | LL | if s.chars().next().unwrap() != 'f' { | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: like this: `!s.starts_with('f')` error: you should use the `ends_with` method --> $DIR/starts_ends_with.rs:38:8 | LL | if s.chars().next_back().unwrap() != 'o' { | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: like this: `!s.ends_with('o')` error: you should use the `ends_with` method --> $DIR/starts_ends_with.rs:42:8 | LL | if s.chars().last().unwrap() != 'o' { | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: like this: `!s.ends_with('o')` error: you should use the `ends_with` method --> $DIR/starts_ends_with.rs:50:5 | LL | "".chars().last() == Some(' '); | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: like this: `"".ends_with(' ')` error: you should use the `ends_with` method --> $DIR/starts_ends_with.rs:51:5 | LL | Some(' ') != "".chars().last(); | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: like this: `!"".ends_with(' ')` error: you should use the `ends_with` method --> $DIR/starts_ends_with.rs:52:5 | LL | "".chars().next_back() == Some(' '); | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: like this: `"".ends_with(' ')` error: you should use the `ends_with` method --> $DIR/starts_ends_with.rs:53:5 | LL | Some(' ') != "".chars().next_back(); | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: like this: `!"".ends_with(' ')` error: aborting due to 12 previous errors