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
|
error[E0510]: cannot assign `x` in match guard
--> $DIR/borrowck-mutate-in-guard.rs:12:25
|
LL | match x {
| - value is immutable in match guard
LL | Enum::A(_) if { x = Enum::B(false); false } => 1,
| ^^^^^^^^^^^^^^^^^^ cannot assign
error[E0510]: cannot mutably borrow `x` in match guard
--> $DIR/borrowck-mutate-in-guard.rs:14:33
|
LL | match x {
| - value is immutable in match guard
...
LL | Enum::A(_) if { let y = &mut x; *y = Enum::B(false); false } => 1,
| ^^^^^^ cannot mutably borrow
error[E0510]: cannot assign `x` in match guard
--> $DIR/borrowck-mutate-in-guard.rs:25:40
|
LL | match x {
| - value is immutable in match guard
LL | Enum::A(_) if let Some(()) = { x = Enum::B(false); None } => 1,
| ^^^^^^^^^^^^^^^^^^ cannot assign
error[E0510]: cannot mutably borrow `x` in match guard
--> $DIR/borrowck-mutate-in-guard.rs:27:48
|
LL | match x {
| - value is immutable in match guard
...
LL | Enum::A(_) if let Some(()) = { let y = &mut x; *y = Enum::B(false); None } => 1,
| ^^^^^^ cannot mutably borrow
error: aborting due to 4 previous errors
For more information about this error, try `rustc --explain E0510`.
|
