mirror of https://github.com/rust-lang/rust
37 lines
1.2 KiB
Plaintext
37 lines
1.2 KiB
Plaintext
error[E0596]: cannot borrow `*a` as mutable, as it is behind a `&` reference
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--> $DIR/mut-arg-hint.rs:3:9
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LL | a.push_str("bar");
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| ^ `a` is a `&` reference, so the data it refers to cannot be borrowed as mutable
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help: consider changing this to be a mutable reference
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LL | fn foo(mut a: &mut String) {
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| +++
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error[E0596]: cannot borrow `*a` as mutable, as it is behind a `&` reference
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--> $DIR/mut-arg-hint.rs:8:5
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LL | a.push_str("foo");
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| ^ `a` is a `&` reference, so the data it refers to cannot be borrowed as mutable
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help: consider changing this to be a mutable reference
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LL | pub fn foo<'a>(mut a: &'a mut String) {
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| +++
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error[E0596]: cannot borrow `*a` as mutable, as it is behind a `&` reference
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--> $DIR/mut-arg-hint.rs:15:9
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LL | a.push_str("foo");
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| ^ `a` is a `&` reference, so the data it refers to cannot be borrowed as mutable
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help: consider changing this to be a mutable reference
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LL | pub fn foo(mut a: &mut String) {
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| +++
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error: aborting due to 3 previous errors
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For more information about this error, try `rustc --explain E0596`.
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