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Only suggest .copied() for Option right now
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Original file line number | Diff line number | Diff line change |
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@@ -1,34 +1,40 @@ | ||
error: You are using an explicit closure for copying elements | ||
--> $DIR/map_clone.rs:10:22 | ||
error: You are using an explicit closure for cloning 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()` | ||
| ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: Consider calling the dedicated `cloned` method: `vec![5_i8; 6].iter().cloned()` | ||
| | ||
= note: `-D clippy::map-clone` implied by `-D warnings` | ||
|
||
error: You are using an explicit closure for cloning elements | ||
--> $DIR/map_clone.rs:11:26 | ||
--> $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:12:23 | ||
error: You are using an explicit closure for cloning 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()` | ||
| ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: Consider calling the dedicated `cloned` method: `vec![42, 43].iter().cloned()` | ||
|
||
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:14:22 | ||
--> $DIR/map_clone.rs:14:25 | ||
| | ||
LL | let _: Vec<u8> = vec![1; 6].iter().map(|x| x.clone()).collect(); | ||
| ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: Consider calling the dedicated `copied` method: `vec![1; 6].iter().copied()` | ||
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 5 previous errors | ||
error: aborting due to 6 previous errors | ||
|