-error[E0282]: type annotations needed
- --> $DIR/unnecessary_wraps.rs:138:9
+error: this function's return value is unnecessarily wrapped by `Option`
+ --> $DIR/unnecessary_wraps.rs:8:1
|
-LL | Ok(());
- | ^^ cannot infer type for type parameter `E` declared on the enum `Result`
+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 change the 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 | | }
+LL | | }
+ | |_^
+ |
+help: remove `Option` from the return type...
+ |
+LL | fn func2(a: bool, b: bool) -> i32 {
+ | ^^^
+help: ...and change the returning expressions
+ |
+LL | return 10;
+LL | }
+LL | if a {
+LL | 20
+LL | } else {
+LL | 30
+ |
+
+error: this function's return value is unnecessarily wrapped by `Option`
+ --> $DIR/unnecessary_wraps.rs:51:1
+ |
+LL | / fn func5() -> Option<i32> {
+LL | | Some(1)
+LL | | }
+ | |_^
+ |
+help: remove `Option` from the return type...
+ |
+LL | fn func5() -> i32 {
+ | ^^^
+help: ...and change the returning expressions
+ |
+LL | 1
+ |
+
+error: this function's return value is unnecessarily wrapped by `Result`
+ --> $DIR/unnecessary_wraps.rs:61:1
+ |
+LL | / fn func7() -> Result<i32, ()> {
+LL | | Ok(1)
+LL | | }
+ | |_^
+ |
+help: remove `Result` from the return type...
+ |
+LL | fn func7() -> i32 {
+ | ^^^
+help: ...and change the returning expressions
+ |
+LL | 1
+ |
+
+error: this function's return value is unnecessarily wrapped by `Option`
+ --> $DIR/unnecessary_wraps.rs:93:5
+ |
+LL | / fn func12() -> Option<i32> {
+LL | | Some(1)
+LL | | }
+ | |_____^
+ |
+help: remove `Option` from the return type...
+ |
+LL | fn func12() -> i32 {
+ | ^^^
+help: ...and change the returning expressions
+ |
+LL | 1
+ |
+
+error: unneeded wrapped unit return type
+ --> $DIR/unnecessary_wraps.rs:120:38
+ |
+LL | fn issue_6640_1(a: bool, b: bool) -> Option<()> {
+ | ^^^^^^^^^^ help: remove the `-> Option<[...]>`
+
+error: unneeded wrapped unit return type
+ --> $DIR/unnecessary_wraps.rs:133:38
+ |
+LL | fn issue_6640_2(a: bool, b: bool) -> Result<(), i32> {
+ | ^^^^^^^^^^^^^^^ help: remove the `-> Result<[...]>`
-error: aborting due to previous error
+error: aborting due to 7 previous errors
-For more information about this error, try `rustc --explain E0282`.