mirror of
https://github.com/rust-lang/rust-clippy
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58 lines
2.3 KiB
Text
58 lines
2.3 KiB
Text
error: consider using `Option<T>` instead of `Option<Option<T>>` or a custom enum if you need to distinguish all 3 cases
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--> $DIR/option_option.rs:1:13
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LL | fn input(_: Option<Option<u8>>) {}
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| ^^^^^^^^^^^^^^^^^^
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= note: `-D clippy::option-option` implied by `-D warnings`
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error: consider using `Option<T>` instead of `Option<Option<T>>` or a custom enum if you need to distinguish all 3 cases
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--> $DIR/option_option.rs:3:16
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LL | fn output() -> Option<Option<u8>> {
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| ^^^^^^^^^^^^^^^^^^
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error: consider using `Option<T>` instead of `Option<Option<T>>` or a custom enum if you need to distinguish all 3 cases
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--> $DIR/option_option.rs:7:27
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LL | fn output_nested() -> Vec<Option<Option<u8>>> {
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| ^^^^^^^^^^^^^^^^^^
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error: consider using `Option<T>` instead of `Option<Option<T>>` or a custom enum if you need to distinguish all 3 cases
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--> $DIR/option_option.rs:12:30
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LL | fn output_nested_nested() -> Option<Option<Option<u8>>> {
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| ^^^^^^^^^^^^^^^^^^^^^^^^^^
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error: consider using `Option<T>` instead of `Option<Option<T>>` or a custom enum if you need to distinguish all 3 cases
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--> $DIR/option_option.rs:17:8
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LL | x: Option<Option<u8>>,
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| ^^^^^^^^^^^^^^^^^^
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error: consider using `Option<T>` instead of `Option<Option<T>>` or a custom enum if you need to distinguish all 3 cases
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--> $DIR/option_option.rs:21:23
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LL | fn struct_fn() -> Option<Option<u8>> {
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| ^^^^^^^^^^^^^^^^^^
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error: consider using `Option<T>` instead of `Option<Option<T>>` or a custom enum if you need to distinguish all 3 cases
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--> $DIR/option_option.rs:27:22
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LL | fn trait_fn() -> Option<Option<u8>>;
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| ^^^^^^^^^^^^^^^^^^
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error: consider using `Option<T>` instead of `Option<Option<T>>` or a custom enum if you need to distinguish all 3 cases
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--> $DIR/option_option.rs:31:11
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LL | Tuple(Option<Option<u8>>),
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| ^^^^^^^^^^^^^^^^^^
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error: consider using `Option<T>` instead of `Option<Option<T>>` or a custom enum if you need to distinguish all 3 cases
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--> $DIR/option_option.rs:32:17
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LL | Struct { x: Option<Option<u8>> },
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| ^^^^^^^^^^^^^^^^^^
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error: aborting due to 9 previous errors
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