error: this block may be rewritten with the `?` operator
  --> $DIR/question_mark.rs:11:5
   |
11 | /     if a.is_none() {
12 | |         return None;
13 | |     }
   | |_____^ 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:46:9
   |
46 | /         if (self.opt).is_none() {
47 | |             return None;
48 | |         }
   | |_________^ help: replace_it_with: `(self.opt)?;`

error: aborting due to 2 previous errors