rust-clippy/tests/ui/map_identity.stderr

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error: unnecessary map of the identity function
--> $DIR/map_identity.rs:7:47
|
LL | let _: Vec<_> = x.iter().map(not_identity).map(|x| return x).collect();
| ^^^^^^^^^^^^^^^^^^ help: remove the call to `map`
|
= note: `-D clippy::map-identity` implied by `-D warnings`
= help: to override `-D warnings` add `#[allow(clippy::map_identity)]`
error: unnecessary map of the identity function
--> $DIR/map_identity.rs:8:57
|
LL | let _: Vec<_> = x.iter().map(std::convert::identity).map(|y| y).collect();
| ^^^^^^^^^^^ help: remove the call to `map`
error: unnecessary map of the identity function
--> $DIR/map_identity.rs:8:29
|
LL | let _: Vec<_> = x.iter().map(std::convert::identity).map(|y| y).collect();
| ^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: remove the call to `map`
error: unnecessary map of the identity function
--> $DIR/map_identity.rs:9:32
|
LL | let _: Option<u8> = Some(3).map(|x| x);
| ^^^^^^^^^^^ help: remove the call to `map`
error: unnecessary map of the identity function
--> $DIR/map_identity.rs:10:36
|
LL | let _: Result<i8, f32> = Ok(-3).map(|x| {
| ____________________________________^
LL | | return x;
LL | | });
| |______^ help: remove the call to `map`
error: unnecessary map of the identity function
--> $DIR/map_identity.rs:20:36
|
LL | let _: Result<u32, u32> = Ok(1).map_err(|a| a);
| ^^^^^^^^^^^^^^^ help: remove the call to `map_err`
error: aborting due to 6 previous errors