rust/tests/ui/span/borrowck-object-mutability.stderr
2023-05-05 22:40:05 +12:00

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error[E0596]: cannot borrow `*x` as mutable, as it is behind a `&` reference
--> $DIR/borrowck-object-mutability.rs:8:5
|
LL | x.borrowed_mut();
| ^^^^^^^^^^^^^^^^ `x` is a `&` reference, so the data it refers to cannot be borrowed as mutable
|
help: consider changing this to be a mutable reference
|
LL | fn borrowed_receiver(x: &mut dyn Foo) {
| +++
error[E0596]: cannot borrow `*x` as mutable, as `x` is not declared as mutable
--> $DIR/borrowck-object-mutability.rs:18:5
|
LL | x.borrowed_mut();
| ^^^^^^^^^^^^^^^^ cannot borrow as mutable
|
help: consider changing this to be mutable
|
LL | fn owned_receiver(mut x: Box<dyn Foo>) {
| +++
error: aborting due to 2 previous errors
For more information about this error, try `rustc --explain E0596`.