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