blob: c6f75b1c0d022f5b7fb83d38a382a7fb4e3efc7a (
plain)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
|
error[E0596]: cannot borrow `b` as mutable, as it is not declared as mutable
--> $DIR/mut-borrow-of-mut-ref.rs:4:10
|
LL | pub fn f(b: &mut i32) {
| ^ not mutable
...
LL | h(&mut b);
| ------ cannot borrow as mutable
...
LL | g(&mut &mut b);
| ------ cannot borrow as mutable
|
note: the binding is already a mutable borrow
--> $DIR/mut-borrow-of-mut-ref.rs:4:13
|
LL | pub fn f(b: &mut i32) {
| ^^^^^^^^
help: try removing `&mut` here
|
LL - h(&mut b);
LL + h(b);
|
help: try removing `&mut` here
|
LL - g(&mut &mut b);
LL + g(&mut b);
|
error[E0596]: cannot borrow `b` as mutable, as it is not declared as mutable
--> $DIR/mut-borrow-of-mut-ref.rs:17:12
|
LL | h(&mut &mut b);
| ^^^^^^ cannot borrow as mutable
|
note: the binding is already a mutable borrow
--> $DIR/mut-borrow-of-mut-ref.rs:16:13
|
LL | pub fn g(b: &mut i32) {
| ^^^^^^^^
help: try removing `&mut` here
|
LL - h(&mut &mut b);
LL + h(&mut b);
|
error[E0596]: cannot borrow `f` as mutable, as it is not declared as mutable
--> $DIR/mut-borrow-of-mut-ref.rs:34:5
|
LL | f.bar();
| ^^^^^^^ cannot borrow as mutable
|
help: consider making the binding mutable
|
LL | pub fn baz(mut f: &mut String) {
| +++
error: aborting due to 3 previous errors
For more information about this error, try `rustc --explain E0596`.
|
