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:10:13
+ --> $DIR/option_option.rs:4:10
|
-10 | fn input(_: Option<Option<u8>>) {}
- | ^^^^^^^^^^^^^^^^^^
+LL | const C: Option<Option<i32>> = None;
+ | ^^^^^^^^^^^^^^^^^^^
+ |
+note: the lint level is defined here
+ --> $DIR/option_option.rs:1:9
+ |
+LL | #![deny(clippy::option_option)]
+ | ^^^^^^^^^^^^^^^^^^^^^
+
+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:5:11
+ |
+LL | static S: Option<Option<i32>> = None;
+ | ^^^^^^^^^^^^^^^^^^^
+
+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:7:13
|
- = note: `-D clippy::option-option` implied by `-D warnings`
+LL | fn input(_: 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:12:16
+ --> $DIR/option_option.rs:9:16
|
-12 | fn output() -> Option<Option<u8>> {
+LL | 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:16:27
+ --> $DIR/option_option.rs:13:27
|
-16 | fn output_nested() -> Vec<Option<Option<u8>>> {
+LL | 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:21:30
+ --> $DIR/option_option.rs:18:30
|
-21 | fn output_nested_nested() -> Option<Option<Option<u8>>> {
+LL | 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:26:8
+ --> $DIR/option_option.rs:23:8
|
-26 | x: Option<Option<u8>>,
+LL | 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:30:23
+ --> $DIR/option_option.rs:27:23
|
-30 | fn struct_fn() -> Option<Option<u8>> {
+LL | 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:36:22
+ --> $DIR/option_option.rs:33:22
|
-36 | fn trait_fn() -> Option<Option<u8>>;
+LL | 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:40:11
+ --> $DIR/option_option.rs:37:11
|
-40 | Tuple(Option<Option<u8>>),
+LL | 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:41:17
+ --> $DIR/option_option.rs:38:17
|
-41 | Struct { x: Option<Option<u8>> },
+LL | Struct { x: Option<Option<u8>> },
| ^^^^^^^^^^^^^^^^^^
-error: aborting due to 9 previous errors
+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:79:14
+ |
+LL | foo: Option<Option<Cow<'a, str>>>,
+ | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^
+
+error: aborting due to 12 previous errors