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:47:9
   |
47 | /         if (self.opt).is_none() {
48 | |             return None;
49 | |         }
   | |_________^ help: replace_it_with: `(self.opt)?;`

error: this block may be rewritten with the `?` operator
  --> $DIR/question_mark.rs:51:9
   |
51 | /         if self.opt.is_none() {
52 | |             return None
53 | |         }
   | |_________^ help: replace_it_with: `self.opt?;`

error: this block may be rewritten with the `?` operator
  --> $DIR/question_mark.rs:55:17
   |
55 |           let _ = if self.opt.is_none() {
   |  _________________^
56 | |             return None;
57 | |         } else {
58 | |             self.opt
59 | |         };
   | |_________^ help: replace_it_with: `Some(self.opt?)`

error: this block may be rewritten with the `?` operator
  --> $DIR/question_mark.rs:72:9
   |
72 | /         if self.opt.is_none() {
73 | |             return None;
74 | |         }
   | |_________^ help: replace_it_with: `self.opt.as_ref()?;`

error: this block may be rewritten with the `?` operator
  --> $DIR/question_mark.rs:80:9
   |
80 | /         if self.opt.is_none() {
81 | |             return None;
82 | |         }
   | |_________^ help: replace_it_with: `self.opt.as_ref()?;`

error: this block may be rewritten with the `?` operator
  --> $DIR/question_mark.rs:88:9
   |
88 | /         if self.opt.is_none() {
89 | |             return None;
90 | |         }
   | |_________^ help: replace_it_with: `self.opt.as_ref()?;`

error: aborting due to 7 previous errors