mirror of
https://github.com/rust-lang/rust-clippy
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130 lines
4.1 KiB
Text
130 lines
4.1 KiB
Text
error: using `clone` on a `Copy` type
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--> $DIR/unnecessary_clone.rs:21:5
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LL | 42.clone();
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| ^^^^^^^^^^ help: try removing the `clone` call: `42`
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= note: `-D clippy::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:25:5
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LL | (&42).clone();
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| ^^^^^^^^^^^^^ help: try dereferencing it: `*(&42)`
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error: using `clone` on a `Copy` type
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--> $DIR/unnecessary_clone.rs:28:5
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LL | rc.borrow().clone();
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| ^^^^^^^^^^^^^^^^^^^ help: try dereferencing it: `*rc.borrow()`
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error: using `clone` on a `Copy` type
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--> $DIR/unnecessary_clone.rs:34:14
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LL | is_ascii('z'.clone());
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| ^^^^^^^^^^^ help: try removing the `clone` call: `'z'`
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error: using `clone` on a `Copy` type
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--> $DIR/unnecessary_clone.rs:38:14
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LL | vec.push(42.clone());
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| ^^^^^^^^^^ help: try removing the `clone` call: `42`
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error: using `.clone()` on a ref-counted pointer
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--> $DIR/unnecessary_clone.rs:48:5
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LL | rc.clone();
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| ^^^^^^^^^^ help: try this: `Rc::<bool>::clone(&rc)`
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= note: `-D clippy::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:51:5
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LL | arc.clone();
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| ^^^^^^^^^^^ help: try this: `Arc::<bool>::clone(&arc)`
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error: using `.clone()` on a ref-counted pointer
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--> $DIR/unnecessary_clone.rs:54:5
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LL | rcweak.clone();
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| ^^^^^^^^^^^^^^ help: try this: `Weak::<bool>::clone(&rcweak)`
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error: using `.clone()` on a ref-counted pointer
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--> $DIR/unnecessary_clone.rs:57:5
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LL | arc_weak.clone();
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| ^^^^^^^^^^^^^^^^ help: try this: `Weak::<bool>::clone(&arc_weak)`
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error: using `.clone()` on a ref-counted pointer
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--> $DIR/unnecessary_clone.rs:61:33
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LL | let _: Arc<dyn SomeTrait> = x.clone();
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| ^^^^^^^^^ help: try this: `Arc::<SomeImpl>::clone(&x)`
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error: using `clone` on a `Copy` type
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--> $DIR/unnecessary_clone.rs:65:5
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LL | 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:67:5
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LL | 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:73:22
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LL | let z: &Vec<_> = y.clone();
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| ^^^^^^^^^
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= note: `#[deny(clippy::clone_double_ref)]` on by default
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help: try dereferencing it
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LL | let z: &Vec<_> = &(*y).clone();
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| ^^^^^^^^^^^^^
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help: or try being explicit if you are sure, that you want to clone a reference
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LL | let z: &Vec<_> = <&std::vec::Vec<i32>>::clone(y);
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| ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
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error: using `clone` on a `Copy` type
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--> $DIR/unnecessary_clone.rs:109:20
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LL | let _: E = a.clone();
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| ^^^^^^^^^ help: try dereferencing it: `*****a`
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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:114:22
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LL | let _ = &mut encoded.clone();
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| ^^^^^^^^^^^^^^^
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help: try dereferencing it
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LL | let _ = &mut &(*encoded).clone();
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| ^^^^^^^^^^^^^^^^^^^
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help: or try being explicit if you are sure, that you want to clone a reference
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LL | let _ = &mut <&[u8]>::clone(encoded);
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| ^^^^^^^^^^^^^^^^^^^^^^^
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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:115:18
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LL | let _ = &encoded.clone();
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| ^^^^^^^^^^^^^^^
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help: try dereferencing it
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LL | let _ = &&(*encoded).clone();
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| ^^^^^^^^^^^^^^^^^^^
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help: or try being explicit if you are sure, that you want to clone a reference
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LL | let _ = &<&[u8]>::clone(encoded);
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| ^^^^^^^^^^^^^^^^^^^^^^^
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error: aborting due to 16 previous errors
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