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For ref pattern in func param, the mutability suggestion has to apply to the binding. For example: `fn foo(&x: &i32)` -> `fn foo(&(mut x): &i32)` fixes #122415
12 lines
422 B
Plaintext
12 lines
422 B
Plaintext
error[E0596]: cannot borrow `b` as mutable, as it is not declared as mutable
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--> $DIR/patkind-ref-binding-issue-114896.rs:7:9
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LL | let &b = a;
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| -- help: consider changing this to be mutable: `&(mut b)`
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LL | b.make_ascii_uppercase();
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| ^ cannot borrow as mutable
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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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