mirror of https://github.com/rust-lang/rust
110 lines
4.3 KiB
Plaintext
110 lines
4.3 KiB
Plaintext
warning: call to `.clone()` on a reference in this situation does nothing
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--> $DIR/noop-method-call.rs:15:25
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LL | let _ = &mut encoded.clone();
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| ^^^^^^^^ help: remove this redundant call
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= note: the type `[u8]` does not implement `Clone`, so calling `clone` on `&[u8]` copies the reference, which does not do anything and can be removed
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= note: `#[warn(noop_method_call)]` on by default
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warning: call to `.clone()` on a reference in this situation does nothing
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--> $DIR/noop-method-call.rs:17:21
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LL | let _ = &encoded.clone();
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| ^^^^^^^^ help: remove this redundant call
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= note: the type `[u8]` does not implement `Clone`, so calling `clone` on `&[u8]` copies the reference, which does not do anything and can be removed
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warning: call to `.clone()` on a reference in this situation does nothing
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--> $DIR/noop-method-call.rs:23:71
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LL | let non_clone_type_ref_clone: &PlainType<u32> = non_clone_type_ref.clone();
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| ^^^^^^^^
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= note: the type `PlainType<u32>` does not implement `Clone`, so calling `clone` on `&PlainType<u32>` copies the reference, which does not do anything and can be removed
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help: remove this redundant call
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LL - let non_clone_type_ref_clone: &PlainType<u32> = non_clone_type_ref.clone();
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LL + let non_clone_type_ref_clone: &PlainType<u32> = non_clone_type_ref;
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help: if you meant to clone `PlainType<u32>`, implement `Clone` for it
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LL + #[derive(Clone)]
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LL | struct PlainType<T>(T);
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warning: call to `.deref()` on a reference in this situation does nothing
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--> $DIR/noop-method-call.rs:31:63
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LL | let non_deref_type_deref: &PlainType<u32> = non_deref_type.deref();
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| ^^^^^^^^
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= note: the type `PlainType<u32>` does not implement `Deref`, so calling `deref` on `&PlainType<u32>` copies the reference, which does not do anything and can be removed
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help: remove this redundant call
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LL - let non_deref_type_deref: &PlainType<u32> = non_deref_type.deref();
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LL + let non_deref_type_deref: &PlainType<u32> = non_deref_type;
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help: if you meant to clone `PlainType<u32>`, implement `Clone` for it
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LL + #[derive(Clone)]
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LL | struct PlainType<T>(T);
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warning: call to `.borrow()` on a reference in this situation does nothing
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--> $DIR/noop-method-call.rs:35:66
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LL | let non_borrow_type_borrow: &PlainType<u32> = non_borrow_type.borrow();
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| ^^^^^^^^^
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= note: the type `PlainType<u32>` does not implement `Borrow`, so calling `borrow` on `&PlainType<u32>` copies the reference, which does not do anything and can be removed
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help: remove this redundant call
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LL - let non_borrow_type_borrow: &PlainType<u32> = non_borrow_type.borrow();
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LL + let non_borrow_type_borrow: &PlainType<u32> = non_borrow_type;
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help: if you meant to clone `PlainType<u32>`, implement `Clone` for it
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LL + #[derive(Clone)]
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LL | struct PlainType<T>(T);
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warning: call to `.clone()` on a reference in this situation does nothing
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--> $DIR/noop-method-call.rs:44:19
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LL | non_clone_type.clone();
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| ^^^^^^^^
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= note: the type `PlainType<T>` does not implement `Clone`, so calling `clone` on `&PlainType<T>` copies the reference, which does not do anything and can be removed
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help: remove this redundant call
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LL - non_clone_type.clone();
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LL + non_clone_type;
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help: if you meant to clone `PlainType<T>`, implement `Clone` for it
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LL + #[derive(Clone)]
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LL | struct PlainType<T>(T);
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warning: call to `.clone()` on a reference in this situation does nothing
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--> $DIR/noop-method-call.rs:49:19
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LL | non_clone_type.clone();
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| ^^^^^^^^
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= note: the type `PlainType<u32>` does not implement `Clone`, so calling `clone` on `&PlainType<u32>` copies the reference, which does not do anything and can be removed
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help: remove this redundant call
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LL - non_clone_type.clone();
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LL + non_clone_type;
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help: if you meant to clone `PlainType<u32>`, implement `Clone` for it
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LL + #[derive(Clone)]
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LL | struct PlainType<T>(T);
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warning: 7 warnings emitted
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