rust/tests/ui/option_option.stderr

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2017-12-26 05:25:13 +00:00
error: consider using `Option<T>` instead of `Option<Option<T>>`
--> $DIR/option_option.rs:1:13
|
1 | fn input(_: Option<Option<u8>>) {
| ^^^^^^^^^^^^^^^^^^
|
= note: `-D option-option` implied by `-D warnings`
= help: `Option<_>` is easier to use than `Option<Option<_>`
error: consider using `Option<T>` instead of `Option<Option<T>>`
--> $DIR/option_option.rs:4:16
|
4 | fn output() -> Option<Option<u8>> {
| ^^^^^^^^^^^^^^^^^^
|
= help: `Option<_>` is easier to use than `Option<Option<_>`
error: consider using `Option<T>` instead of `Option<Option<T>>`
--> $DIR/option_option.rs:8:27
|
8 | fn output_nested() -> Vec<Option<Option<u8>>> {
| ^^^^^^^^^^^^^^^^^^
|
= help: `Option<_>` is easier to use than `Option<Option<_>`
error: consider using `Option<T>` instead of `Option<Option<T>>`
--> $DIR/option_option.rs:13:30
|
13 | fn output_nested_nested() -> Option<Option<Option<u8>>> {
| ^^^^^^^^^^^^^^^^^^^^^^^^^^
|
= help: `Option<_>` is easier to use than `Option<Option<_>`
error: consider using `Option<T>` instead of `Option<Option<T>>`
--> $DIR/option_option.rs:18:8
|
18 | x: Option<Option<u8>>,
| ^^^^^^^^^^^^^^^^^^
|
= help: `Option<_>` is easier to use than `Option<Option<_>`
error: consider using `Option<T>` instead of `Option<Option<T>>`
--> $DIR/option_option.rs:22:11
|
22 | Tuple(Option<Option<u8>>),
| ^^^^^^^^^^^^^^^^^^
|
= help: `Option<_>` is easier to use than `Option<Option<_>`
error: consider using `Option<T>` instead of `Option<Option<T>>`
--> $DIR/option_option.rs:23:15
|
23 | Struct{x: Option<Option<u8>>},
| ^^^^^^^^^^^^^^^^^^
|
= help: `Option<_>` is easier to use than `Option<Option<_>`