rust-clippy/tests/ui/unnecessary_wraps.stderr

error: this function's return value is unnecessarily wrapped by `Option`
  --> tests/ui/unnecessary_wraps.rs:9:1
   |
LL | / fn func1(a: bool, b: bool) -> Option<i32> {
LL | |
LL | |
LL | |     if a && b {
...  |
LL | |     }
LL | | }
   | |_^
   |
   = note: `-D clippy::unnecessary-wraps` implied by `-D warnings`
   = help: to override `-D warnings` add `#[allow(clippy::unnecessary_wraps)]`
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 {
LL ~         return 1337;
   |

error: this function's return value is unnecessarily wrapped by `Option`
  --> tests/ui/unnecessary_wraps.rs:24:1
   |
LL | / fn func2(a: bool, b: bool) -> Option<i32> {
LL | |
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`
  --> tests/ui/unnecessary_wraps.rs:43:1
   |
LL | / fn func5() -> Option<i32> {
LL | |
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`
  --> tests/ui/unnecessary_wraps.rs:54:1
   |
LL | / fn func7() -> Result<i32, ()> {
LL | |
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`
  --> tests/ui/unnecessary_wraps.rs:83:5
   |
LL | /     fn func12() -> Option<i32> {
LL | |
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
  --> tests/ui/unnecessary_wraps.rs:111:1
   |
LL | / fn issue_6640_1(a: bool, b: bool) -> Option<()> {
LL | |
LL | |     if a && b {
LL | |         return Some(());
...  |
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 {
LL ~         return ;
   |

error: this function's return value is unnecessary
  --> tests/ui/unnecessary_wraps.rs:125:1
   |
LL | / fn issue_6640_2(a: bool, b: bool) -> Result<(), i32> {
LL | |
LL | |     if a && b {
LL | |         return Ok(());
...  |
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