mirror of
https://github.com/rust-lang/rust-clippy
synced 2024-12-29 22:43:41 +00:00
40 lines
1.8 KiB
Text
40 lines
1.8 KiB
Text
error: You are using an explicit closure for copying elements
|
|
--> $DIR/map_clone.rs:9:22
|
|
|
|
|
LL | let _: Vec<i8> = vec![5_i8; 6].iter().map(|x| *x).collect();
|
|
| ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: Consider calling the dedicated `copied` method: `vec![5_i8; 6].iter().copied()`
|
|
|
|
|
= note: `-D clippy::map-clone` implied by `-D warnings`
|
|
|
|
error: You are using an explicit closure for cloning elements
|
|
--> $DIR/map_clone.rs:10:26
|
|
|
|
|
LL | let _: Vec<String> = vec![String::new()].iter().map(|x| x.clone()).collect();
|
|
| ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: Consider calling the dedicated `cloned` method: `vec![String::new()].iter().cloned()`
|
|
|
|
error: You are using an explicit closure for copying elements
|
|
--> $DIR/map_clone.rs:11:23
|
|
|
|
|
LL | let _: Vec<u32> = vec![42, 43].iter().map(|&x| x).collect();
|
|
| ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: Consider calling the dedicated `copied` method: `vec![42, 43].iter().copied()`
|
|
|
|
error: You are using an explicit closure for copying elements
|
|
--> $DIR/map_clone.rs:13:26
|
|
|
|
|
LL | let _: Option<u64> = Some(&16).map(|b| *b);
|
|
| ^^^^^^^^^^^^^^^^^^^^^ help: Consider calling the dedicated `copied` method: `Some(&16).copied()`
|
|
|
|
error: You are using an explicit closure for copying elements
|
|
--> $DIR/map_clone.rs:14:25
|
|
|
|
|
LL | let _: Option<u8> = Some(&1).map(|x| x.clone());
|
|
| ^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: Consider calling the dedicated `copied` method: `Some(&1).copied()`
|
|
|
|
error: You are needlessly cloning iterator elements
|
|
--> $DIR/map_clone.rs:25:29
|
|
|
|
|
LL | let _ = std::env::args().map(|v| v.clone());
|
|
| ^^^^^^^^^^^^^^^^^^^ help: Remove the map call
|
|
|
|
error: aborting due to 6 previous errors
|
|
|