97 lines
4.3 KiB
Text
97 lines
4.3 KiB
Text
error: non-binding let on a type that implements `Drop`
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--> $DIR/map_clone.rs:10:5
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LL | let _: Vec<i8> = vec![5_i8; 6].iter().map(|x| *x).collect();
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| ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
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= note: `-D clippy::let-underscore-drop` implied by `-D warnings`
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= help: consider using an underscore-prefixed named binding or dropping explicitly with `std::mem::drop`
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error: you are using an explicit closure for copying elements
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--> $DIR/map_clone.rs:10:22
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LL | let _: Vec<i8> = vec![5_i8; 6].iter().map(|x| *x).collect();
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| ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: consider calling the dedicated `copied` method: `vec![5_i8; 6].iter().copied()`
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= note: `-D clippy::map-clone` implied by `-D warnings`
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error: non-binding let on a type that implements `Drop`
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--> $DIR/map_clone.rs:11:5
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LL | let _: Vec<String> = vec![String::new()].iter().map(|x| x.clone()).collect();
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| ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
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= help: consider using an underscore-prefixed named binding or dropping explicitly with `std::mem::drop`
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error: you are using an explicit closure for cloning elements
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--> $DIR/map_clone.rs:11:26
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LL | let _: Vec<String> = vec![String::new()].iter().map(|x| x.clone()).collect();
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| ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: consider calling the dedicated `cloned` method: `vec![String::new()].iter().cloned()`
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error: non-binding let on a type that implements `Drop`
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--> $DIR/map_clone.rs:12:5
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LL | let _: Vec<u32> = vec![42, 43].iter().map(|&x| x).collect();
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| ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
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= help: consider using an underscore-prefixed named binding or dropping explicitly with `std::mem::drop`
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error: you are using an explicit closure for copying elements
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--> $DIR/map_clone.rs:12:23
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LL | let _: Vec<u32> = vec![42, 43].iter().map(|&x| x).collect();
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| ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: consider calling the dedicated `copied` method: `vec![42, 43].iter().copied()`
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error: you are using an explicit closure for copying elements
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--> $DIR/map_clone.rs:14:26
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LL | let _: Option<u64> = Some(&16).map(|b| *b);
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| ^^^^^^^^^^^^^^^^^^^^^ help: consider calling the dedicated `copied` method: `Some(&16).copied()`
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error: you are using an explicit closure for copying elements
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--> $DIR/map_clone.rs:15:25
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LL | let _: Option<u8> = Some(&1).map(|x| x.clone());
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| ^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: consider calling the dedicated `copied` method: `Some(&1).copied()`
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error: you are needlessly cloning iterator elements
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--> $DIR/map_clone.rs:26:29
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LL | let _ = std::env::args().map(|v| v.clone());
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| ^^^^^^^^^^^^^^^^^^^ help: remove the `map` call
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error: non-binding let on a type that implements `Drop`
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--> $DIR/map_clone.rs:35:9
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LL | let _: Vec<u32> = v.into_iter().map(|x| *x).collect();
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| ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
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= help: consider using an underscore-prefixed named binding or dropping explicitly with `std::mem::drop`
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error: non-binding let on a type that implements `Drop`
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--> $DIR/map_clone.rs:42:9
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LL | let _: Vec<u32> = v.into_iter().map(|x| *x).collect();
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| ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
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= help: consider using an underscore-prefixed named binding or dropping explicitly with `std::mem::drop`
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error: non-binding let on a type that implements `Drop`
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--> $DIR/map_clone.rs:45:9
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LL | let _: Vec<u32> = v.into_iter().map(|&mut x| x).collect();
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| ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
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= help: consider using an underscore-prefixed named binding or dropping explicitly with `std::mem::drop`
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error: non-binding let on a type that implements `Drop`
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--> $DIR/map_clone.rs:53:9
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LL | let _: Vec<_> = items.into_iter().map(|x| x.clone()).collect();
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| ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
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= help: consider using an underscore-prefixed named binding or dropping explicitly with `std::mem::drop`
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error: aborting due to 13 previous errors
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