mirror of
https://github.com/rust-lang/rust.git
synced 2024-12-14 01:25:54 +00:00
58 lines
1.8 KiB
Plaintext
58 lines
1.8 KiB
Plaintext
|
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<_>`
|
||
|
|