69 lines
2.1 KiB
Plaintext
69 lines
2.1 KiB
Plaintext
error: using `clone` on a `Copy` type
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--> $DIR/unnecessary_clone.rs:11:5
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11 | 42.clone();
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| ^^^^^^^^^^ help: try removing the `clone` call: `42`
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= note: `-D clone-on-copy` implied by `-D warnings`
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error: using `clone` on a `Copy` type
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--> $DIR/unnecessary_clone.rs:15:5
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15 | (&42).clone();
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| ^^^^^^^^^^^^^ help: try dereferencing it: `*(&42)`
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error: using '.clone()' on a ref-counted pointer
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--> $DIR/unnecessary_clone.rs:25:5
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25 | rc.clone();
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| ^^^^^^^^^^ help: try this: `Rc::clone(&rc)`
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= note: `-D clone-on-ref-ptr` implied by `-D warnings`
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error: using '.clone()' on a ref-counted pointer
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--> $DIR/unnecessary_clone.rs:28:5
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28 | arc.clone();
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| ^^^^^^^^^^^ help: try this: `Arc::clone(&arc)`
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error: using '.clone()' on a ref-counted pointer
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--> $DIR/unnecessary_clone.rs:31:5
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31 | rcweak.clone();
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| ^^^^^^^^^^^^^^ help: try this: `Weak::clone(&rcweak)`
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error: using '.clone()' on a ref-counted pointer
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--> $DIR/unnecessary_clone.rs:34:5
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34 | arc_weak.clone();
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| ^^^^^^^^^^^^^^^^ help: try this: `Weak::clone(&arc_weak)`
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error: using `clone` on a `Copy` type
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--> $DIR/unnecessary_clone.rs:41:5
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41 | t.clone();
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| ^^^^^^^^^ help: try removing the `clone` call: `t`
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error: using `clone` on a `Copy` type
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--> $DIR/unnecessary_clone.rs:43:5
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43 | Some(t).clone();
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| ^^^^^^^^^^^^^^^ help: try removing the `clone` call: `Some(t)`
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error: using `clone` on a double-reference; this will copy the reference instead of cloning the inner type
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--> $DIR/unnecessary_clone.rs:49:22
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49 | let z: &Vec<_> = y.clone();
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| ^^^^^^^^^ help: try dereferencing it: `(*y).clone()`
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= note: `-D clone-double-ref` implied by `-D warnings`
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error: called `cloned().collect()` on a slice to create a `Vec`. Calling `to_vec()` is both faster and more readable
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--> $DIR/unnecessary_clone.rs:56:27
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56 | let v2 : Vec<isize> = v.iter().cloned().collect();
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| ^^^^^^^^^^^^^^^^^^^^^^^^^^^
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= note: `-D iter-cloned-collect` implied by `-D warnings`
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