-error: non-binding let on a type that implements `Drop`
- --> $DIR/map_clone.rs:10:5
- |
-LL | let _: Vec<i8> = vec![5_i8; 6].iter().map(|x| *x).collect();
- | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
- |
- = note: `-D clippy::let-underscore-drop` implied by `-D warnings`
- = help: consider using an underscore-prefixed named binding or dropping explicitly with `std::mem::drop`
-
error: you are using an explicit closure for copying elements
- --> $DIR/map_clone.rs:10:22
+ --> $DIR/map_clone.rs:11:22
|
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: non-binding let on a type that implements `Drop`
- --> $DIR/map_clone.rs:11:5
- |
-LL | let _: Vec<String> = vec![String::new()].iter().map(|x| x.clone()).collect();
- | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
- |
- = help: consider using an underscore-prefixed named binding or dropping explicitly with `std::mem::drop`
-
error: you are using an explicit closure for cloning elements
- --> $DIR/map_clone.rs:11:26
+ --> $DIR/map_clone.rs:12:26
|
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: non-binding let on a type that implements `Drop`
- --> $DIR/map_clone.rs:12:5
- |
-LL | let _: Vec<u32> = vec![42, 43].iter().map(|&x| x).collect();
- | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
- |
- = help: consider using an underscore-prefixed named binding or dropping explicitly with `std::mem::drop`
-
error: you are using an explicit closure for copying elements
- --> $DIR/map_clone.rs:12:23
+ --> $DIR/map_clone.rs:13:23
|
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:14:26
+ --> $DIR/map_clone.rs:15:26
|
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:15:25
+ --> $DIR/map_clone.rs:16:25
|
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:26:29
+ --> $DIR/map_clone.rs:27:29
|
LL | let _ = std::env::args().map(|v| v.clone());
| ^^^^^^^^^^^^^^^^^^^ help: remove the `map` call
-error: non-binding let on a type that implements `Drop`
- --> $DIR/map_clone.rs:35:9
- |
-LL | let _: Vec<u32> = v.into_iter().map(|x| *x).collect();
- | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
- |
- = help: consider using an underscore-prefixed named binding or dropping explicitly with `std::mem::drop`
-
-error: non-binding let on a type that implements `Drop`
- --> $DIR/map_clone.rs:42:9
- |
-LL | let _: Vec<u32> = v.into_iter().map(|x| *x).collect();
- | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
- |
- = help: consider using an underscore-prefixed named binding or dropping explicitly with `std::mem::drop`
-
-error: non-binding let on a type that implements `Drop`
- --> $DIR/map_clone.rs:45:9
- |
-LL | let _: Vec<u32> = v.into_iter().map(|&mut x| x).collect();
- | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
- |
- = help: consider using an underscore-prefixed named binding or dropping explicitly with `std::mem::drop`
-
-error: non-binding let on a type that implements `Drop`
- --> $DIR/map_clone.rs:53:9
- |
-LL | let _: Vec<_> = items.into_iter().map(|x| x.clone()).collect();
- | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
- |
- = help: consider using an underscore-prefixed named binding or dropping explicitly with `std::mem::drop`
-
-error: aborting due to 13 previous errors
+error: aborting due to 6 previous errors