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15 lines
452 B
Plaintext
15 lines
452 B
Plaintext
error[E0596]: cannot borrow `x.0` as mutable, as `x` is not declared as mutable
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--> $DIR/borrowck-ref-mut-of-imm.rs:4:12
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LL | Some(ref mut v) => *v
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| ^^^^^^^^^ cannot borrow as mutable
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help: consider changing this to be mutable
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LL | fn destructure(mut x: Option<isize>) -> isize {
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| +++
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error: aborting due to 1 previous error
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For more information about this error, try `rustc --explain E0596`.
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