mirror of
https://github.com/rust-lang/rust.git
synced 2024-11-23 15:23:46 +00:00
48 lines
1.6 KiB
Plaintext
48 lines
1.6 KiB
Plaintext
error[E0596]: cannot borrow `x` as mutable, as it is not declared as mutable
|
|
--> $DIR/borrowck-borrow-overloaded-deref-mut.rs:29:25
|
|
|
|
|
LL | let __isize = &mut *x;
|
|
| ^ cannot borrow as mutable
|
|
|
|
|
help: consider changing this to be mutable
|
|
|
|
|
LL | fn deref_mut1(mut x: Own<isize>) {
|
|
| +++
|
|
|
|
error[E0596]: cannot borrow `*x` as mutable, as it is behind a `&` reference
|
|
--> $DIR/borrowck-borrow-overloaded-deref-mut.rs:41:11
|
|
|
|
|
LL | &mut **x
|
|
| ^^ `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 deref_extend_mut1<'a>(x: &'a mut Own<isize>) -> &'a mut isize {
|
|
| +++
|
|
|
|
error[E0596]: cannot borrow `x` as mutable, as it is not declared as mutable
|
|
--> $DIR/borrowck-borrow-overloaded-deref-mut.rs:49:6
|
|
|
|
|
LL | *x = 3;
|
|
| ^ cannot borrow as mutable
|
|
|
|
|
help: consider changing this to be mutable
|
|
|
|
|
LL | fn assign1<'a>(mut x: Own<isize>) {
|
|
| +++
|
|
|
|
error[E0596]: cannot borrow `*x` as mutable, as it is behind a `&` reference
|
|
--> $DIR/borrowck-borrow-overloaded-deref-mut.rs:53:6
|
|
|
|
|
LL | **x = 3;
|
|
| ^^ `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 assign2<'a>(x: &'a mut Own<isize>) {
|
|
| +++
|
|
|
|
error: aborting due to 4 previous errors
|
|
|
|
For more information about this error, try `rustc --explain E0596`.
|