44 lines
1.5 KiB
Plaintext
44 lines
1.5 KiB
Plaintext
error: this argument is passed by value, but not consumed in the function body
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--> $DIR/needless_pass_by_value.rs:9:23
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9 | fn foo<T: Default>(v: Vec<T>, w: Vec<T>, mut x: Vec<T>, y: Vec<T>) -> Vec<T> {
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| ^^^^^^
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note: lint level defined here
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--> $DIR/needless_pass_by_value.rs:4:9
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4 | #![deny(needless_pass_by_value)]
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| ^^^^^^^^^^^^^^^^^^^^^^
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help: consider changing the type to `&[T]`
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| fn foo<T: Default>(v: &[T], w: Vec<T>, mut x: Vec<T>, y: Vec<T>) -> Vec<T> {
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error: this argument is passed by value, but not consumed in the function body
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--> $DIR/needless_pass_by_value.rs:23:11
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23 | fn bar(x: String, y: Wrapper) {
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| ^^^^^^
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help: consider changing the type to `&str`
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| fn bar(x: &str, y: Wrapper) {
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error: this argument is passed by value, but not consumed in the function body
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--> $DIR/needless_pass_by_value.rs:23:22
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23 | fn bar(x: String, y: Wrapper) {
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| ^^^^^^^
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help: consider taking a reference instead
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| fn bar(x: String, y: &Wrapper) {
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error: this argument is passed by value, but not consumed in the function body
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--> $DIR/needless_pass_by_value.rs:28:63
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28 | fn test_borrow_trait<T: std::borrow::Borrow<str>, U>(t: T, u: U) {
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| ^
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help: consider taking a reference instead
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| fn test_borrow_trait<T: std::borrow::Borrow<str>, U>(t: T, u: &U) {
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error: aborting due to 4 previous errors
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