blob: 40b9cf2dcd4d4cc24996913e4764a1a49091617b (
plain)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
|
error[E0308]: `?` operator has incompatible types
--> $DIR/remove-question-symbol-with-paren.rs:5:6
|
LL | fn foo() -> Option<()> {
| ---------- expected `Option<()>` because of return type
LL | let x = Some(());
LL | (x?)
| ^^ expected `Option<()>`, found `()`
|
= note: `?` operator cannot convert from `()` to `Option<()>`
= note: expected enum `Option<()>`
found unit type `()`
help: try removing this `?`
|
LL - (x?)
LL + (x)
|
help: try wrapping the expression in `Some`
|
LL | (Some(x?))
| +++++ +
error: aborting due to previous error
For more information about this error, try `rustc --explain E0308`.
|
