error: this block may be rewritten with the `?` operator --> $DIR/question_mark.rs:2:2 | 2 | if a.is_none() { | _____^ 3 | | return None 4 | | } | |_____^ help: replace_it_with: `a?;` | = note: `-D clippy::question-mark` implied by `-D warnings` error: this block may be rewritten with the `?` operator --> $DIR/question_mark.rs:37:3 | 37 | if (self.opt).is_none() { | _________^ 38 | | return None; 39 | | } | |_________^ help: replace_it_with: `(self.opt)?;` error: aborting due to 2 previous errors