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|
error: invalid `?` in type
--> $DIR/trailing-question-in-type.rs:3:16
|
LL | fn foo() -> i32? {
| ^ `?` is only allowed on expressions, not types
|
help: if you meant to express that the type might not contain a value, use the `Option` wrapper type
|
LL | fn foo() -> Option<i32> {
| +++++++ ~
error: invalid `?` in type
--> $DIR/trailing-question-in-type.rs:4:15
|
LL | let x: i32? = Some(1);
| ^ `?` is only allowed on expressions, not types
|
help: if you meant to express that the type might not contain a value, use the `Option` wrapper type
|
LL | let x: Option<i32> = Some(1);
| +++++++ ~
error: aborting due to 2 previous errors
|
