rust-clippy/tests/ui/question_mark.stderr

error: this block may be rewritten with the `?` operator
  --> $DIR/question_mark.rs:12:2
   |
12 |       if a.is_none() {
   |  _____^
13 | |         return None
14 | |     }
   | |_____^ 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:47:3
   |
47 |           if (self.opt).is_none() {
   |  _________^
48 | |             return None;
49 | |         }
   | |_________^ help: replace_it_with: `(self.opt)?;`

error: aborting due to 2 previous errors