mirror of
https://github.com/rust-lang/rust-clippy
synced 2024-11-18 02:38:28 +00:00
154 lines
3.4 KiB
Text
154 lines
3.4 KiB
Text
error: this function's return value is unnecessarily wrapped by `Option`
|
|
--> $DIR/unnecessary_wraps.rs:8:1
|
|
|
|
|
LL | / fn func1(a: bool, b: bool) -> Option<i32> {
|
|
LL | | if a && b {
|
|
LL | | return Some(42);
|
|
LL | | }
|
|
... |
|
|
LL | | }
|
|
LL | | }
|
|
| |_^
|
|
|
|
|
= note: `-D clippy::unnecessary-wraps` implied by `-D warnings`
|
|
help: remove `Option` from the return type...
|
|
|
|
|
LL | fn func1(a: bool, b: bool) -> i32 {
|
|
| ^^^
|
|
help: ...and then change returning expressions
|
|
|
|
|
LL | return 42;
|
|
LL | }
|
|
LL | if a {
|
|
LL | Some(-1);
|
|
LL | 2
|
|
LL | } else {
|
|
...
|
|
|
|
error: this function's return value is unnecessarily wrapped by `Option`
|
|
--> $DIR/unnecessary_wraps.rs:21:1
|
|
|
|
|
LL | / fn func2(a: bool, b: bool) -> Option<i32> {
|
|
LL | | if a && b {
|
|
LL | | return Some(10);
|
|
LL | | }
|
|
LL | | if a { Some(20) } else { Some(30) }
|
|
LL | | }
|
|
| |_^
|
|
|
|
|
help: remove `Option` from the return type...
|
|
|
|
|
LL | fn func2(a: bool, b: bool) -> i32 {
|
|
| ^^^
|
|
help: ...and then change returning expressions
|
|
|
|
|
LL | return 10;
|
|
LL | }
|
|
LL | if a { 20 } else { 30 }
|
|
|
|
|
|
|
error: this function's return value is unnecessarily wrapped by `Option`
|
|
--> $DIR/unnecessary_wraps.rs:39:1
|
|
|
|
|
LL | / fn func5() -> Option<i32> {
|
|
LL | | Some(1)
|
|
LL | | }
|
|
| |_^
|
|
|
|
|
help: remove `Option` from the return type...
|
|
|
|
|
LL | fn func5() -> i32 {
|
|
| ^^^
|
|
help: ...and then change returning expressions
|
|
|
|
|
LL | 1
|
|
|
|
|
|
|
error: this function's return value is unnecessarily wrapped by `Result`
|
|
--> $DIR/unnecessary_wraps.rs:49:1
|
|
|
|
|
LL | / fn func7() -> Result<i32, ()> {
|
|
LL | | Ok(1)
|
|
LL | | }
|
|
| |_^
|
|
|
|
|
help: remove `Result` from the return type...
|
|
|
|
|
LL | fn func7() -> i32 {
|
|
| ^^^
|
|
help: ...and then change returning expressions
|
|
|
|
|
LL | 1
|
|
|
|
|
|
|
error: this function's return value is unnecessarily wrapped by `Option`
|
|
--> $DIR/unnecessary_wraps.rs:77:5
|
|
|
|
|
LL | / fn func12() -> Option<i32> {
|
|
LL | | Some(1)
|
|
LL | | }
|
|
| |_____^
|
|
|
|
|
help: remove `Option` from the return type...
|
|
|
|
|
LL | fn func12() -> i32 {
|
|
| ^^^
|
|
help: ...and then change returning expressions
|
|
|
|
|
LL | 1
|
|
|
|
|
|
|
error: this function's return value is unnecessary
|
|
--> $DIR/unnecessary_wraps.rs:104:1
|
|
|
|
|
LL | / fn issue_6640_1(a: bool, b: bool) -> Option<()> {
|
|
LL | | if a && b {
|
|
LL | | return Some(());
|
|
LL | | }
|
|
... |
|
|
LL | | }
|
|
LL | | }
|
|
| |_^
|
|
|
|
|
help: remove the return type...
|
|
|
|
|
LL | fn issue_6640_1(a: bool, b: bool) -> Option<()> {
|
|
| ^^^^^^^^^^
|
|
help: ...and then remove returned values
|
|
|
|
|
LL | return ;
|
|
LL | }
|
|
LL | if a {
|
|
LL | Some(());
|
|
LL |
|
|
LL | } else {
|
|
...
|
|
|
|
error: this function's return value is unnecessary
|
|
--> $DIR/unnecessary_wraps.rs:117:1
|
|
|
|
|
LL | / fn issue_6640_2(a: bool, b: bool) -> Result<(), i32> {
|
|
LL | | if a && b {
|
|
LL | | return Ok(());
|
|
LL | | }
|
|
... |
|
|
LL | | }
|
|
LL | | }
|
|
| |_^
|
|
|
|
|
help: remove the return type...
|
|
|
|
|
LL | fn issue_6640_2(a: bool, b: bool) -> Result<(), i32> {
|
|
| ^^^^^^^^^^^^^^^
|
|
help: ...and then remove returned values
|
|
|
|
|
LL | return ;
|
|
LL | }
|
|
LL | if a {
|
|
LL |
|
|
LL | } else {
|
|
LL | return ;
|
|
|
|
|
|
|
error: aborting due to 7 previous errors
|
|
|