1 error: consider using `Option<T>` instead of `Option<Option<T>>` or a custom enum if you need to distinguish all 3 cases
2 --> $DIR/option_option.rs:1:13
4 LL | fn input(_: Option<Option<u8>>) {}
7 = note: `-D clippy::option-option` implied by `-D warnings`
9 error: consider using `Option<T>` instead of `Option<Option<T>>` or a custom enum if you need to distinguish all 3 cases
10 --> $DIR/option_option.rs:3:16
12 LL | fn output() -> Option<Option<u8>> {
15 error: consider using `Option<T>` instead of `Option<Option<T>>` or a custom enum if you need to distinguish all 3 cases
16 --> $DIR/option_option.rs:7:27
18 LL | fn output_nested() -> Vec<Option<Option<u8>>> {
21 error: consider using `Option<T>` instead of `Option<Option<T>>` or a custom enum if you need to distinguish all 3 cases
22 --> $DIR/option_option.rs:12:30
24 LL | fn output_nested_nested() -> Option<Option<Option<u8>>> {
25 | ^^^^^^^^^^^^^^^^^^^^^^^^^^
27 error: consider using `Option<T>` instead of `Option<Option<T>>` or a custom enum if you need to distinguish all 3 cases
28 --> $DIR/option_option.rs:17:8
30 LL | x: Option<Option<u8>>,
33 error: consider using `Option<T>` instead of `Option<Option<T>>` or a custom enum if you need to distinguish all 3 cases
34 --> $DIR/option_option.rs:21:23
36 LL | fn struct_fn() -> Option<Option<u8>> {
39 error: consider using `Option<T>` instead of `Option<Option<T>>` or a custom enum if you need to distinguish all 3 cases
40 --> $DIR/option_option.rs:27:22
42 LL | fn trait_fn() -> Option<Option<u8>>;
45 error: consider using `Option<T>` instead of `Option<Option<T>>` or a custom enum if you need to distinguish all 3 cases
46 --> $DIR/option_option.rs:31:11
48 LL | Tuple(Option<Option<u8>>),
51 error: consider using `Option<T>` instead of `Option<Option<T>>` or a custom enum if you need to distinguish all 3 cases
52 --> $DIR/option_option.rs:32:17
54 LL | Struct { x: Option<Option<u8>> },
57 error: aborting due to 9 previous errors