error: consider using `Option<T>` instead of `Option<Option<T>>` or a custom enum if you need to distinguish all 3 cases
--> $DIR/option_option.rs:1:13
|
1 | fn input(_: Option<Option<u8>>) {
| ^^^^^^^^^^^^^^^^^^
|
= note: `-D option-option` implied by `-D warnings`
error: consider using `Option<T>` instead of `Option<Option<T>>` or a custom enum if you need to distinguish all 3 cases
--> $DIR/option_option.rs:4:16
|
4 | fn output() -> Option<Option<u8>> {
| ^^^^^^^^^^^^^^^^^^
error: consider using `Option<T>` instead of `Option<Option<T>>` or a custom enum if you need to distinguish all 3 cases
--> $DIR/option_option.rs:8:27
|
8 | fn output_nested() -> Vec<Option<Option<u8>>> {
| ^^^^^^^^^^^^^^^^^^
error: consider using `Option<T>` instead of `Option<Option<T>>` or a custom enum if you need to distinguish all 3 cases
--> $DIR/option_option.rs:13:30
|
13 | fn output_nested_nested() -> Option<Option<Option<u8>>> {
| ^^^^^^^^^^^^^^^^^^^^^^^^^^
error: consider using `Option<T>` instead of `Option<Option<T>>` or a custom enum if you need to distinguish all 3 cases
--> $DIR/option_option.rs:18:8
|
18 | x: Option<Option<u8>>,
| ^^^^^^^^^^^^^^^^^^
error: consider using `Option<T>` instead of `Option<Option<T>>` or a custom enum if you need to distinguish all 3 cases
--> $DIR/option_option.rs:22:23
|
22 | fn struct_fn() -> Option<Option<u8>> {
| ^^^^^^^^^^^^^^^^^^
error: consider using `Option<T>` instead of `Option<Option<T>>` or a custom enum if you need to distinguish all 3 cases
--> $DIR/option_option.rs:28:22
|
28 | fn trait_fn() -> Option<Option<u8>>;
| ^^^^^^^^^^^^^^^^^^
error: consider using `Option<T>` instead of `Option<Option<T>>` or a custom enum if you need to distinguish all 3 cases
--> $DIR/option_option.rs:32:11
|
32 | Tuple(Option<Option<u8>>),
| ^^^^^^^^^^^^^^^^^^
error: consider using `Option<T>` instead of `Option<Option<T>>` or a custom enum if you need to distinguish all 3 cases
--> $DIR/option_option.rs:33:15
|
33 | Struct{x: Option<Option<u8>>},
| ^^^^^^^^^^^^^^^^^^
error: aborting due to 9 previous errors