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https://github.com/rust-lang/rust-clippy
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80 lines
3.1 KiB
Text
80 lines
3.1 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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--> tests/ui/option_option.rs:4:10
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LL | const C: Option<Option<i32>> = None;
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| ^^^^^^^^^^^^^^^^^^^
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note: the lint level is defined here
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--> tests/ui/option_option.rs:1:9
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LL | #![deny(clippy::option_option)]
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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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--> tests/ui/option_option.rs:6:11
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LL | static S: Option<Option<i32>> = None;
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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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--> tests/ui/option_option.rs:9:13
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LL | fn input(_: 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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--> tests/ui/option_option.rs:12:16
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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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--> tests/ui/option_option.rs:17:27
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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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--> tests/ui/option_option.rs:23:30
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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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--> tests/ui/option_option.rs:29:8
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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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--> tests/ui/option_option.rs:34:23
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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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--> tests/ui/option_option.rs:41:22
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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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--> tests/ui/option_option.rs:46:11
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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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--> tests/ui/option_option.rs:48:17
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LL | Struct { 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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--> tests/ui/option_option.rs:90:14
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LL | foo: Option<Option<Cow<'a, str>>>,
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| ^^^^^^^^^^^^^^^^^^^^^^^^^^^^
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error: aborting due to 12 previous errors
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