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Since deref patterns on boxes will be lowered differently, I'll be making a separate test file for them. This makes sure we're still testing the generic `Deref(Mut)::deref(_mut)`-based lowering.
45 lines
1.5 KiB
Plaintext
45 lines
1.5 KiB
Plaintext
error[E0502]: cannot borrow `v` as mutable because it is also borrowed as immutable
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--> $DIR/fake_borrows.rs:9:16
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LL | match v {
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| - immutable borrow occurs here
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LL | deref!([true]) => {}
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LL | _ if { v[0] = true; false } => {}
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| ^ - immutable borrow later used here
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| |
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| mutable borrow occurs here
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error[E0502]: cannot borrow `v` as mutable because it is also borrowed as immutable
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--> $DIR/fake_borrows.rs:16:16
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LL | match v {
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| - immutable borrow occurs here
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LL | [true] => {}
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LL | _ if { v[0] = true; false } => {}
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| ^ - immutable borrow later used here
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| |
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| mutable borrow occurs here
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error[E0510]: cannot assign `*b` in match guard
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--> $DIR/fake_borrows.rs:26:16
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LL | match b {
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| - value is immutable in match guard
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LL | deref!(true) => {}
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LL | _ if { *b = true; false } => {}
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| ^^^^^^^^^ cannot assign
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error[E0510]: cannot assign `*b` in match guard
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--> $DIR/fake_borrows.rs:33:16
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LL | match b {
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| - value is immutable in match guard
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LL | true => {}
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LL | _ if { *b = true; false } => {}
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| ^^^^^^^^^ cannot assign
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error: aborting due to 4 previous errors
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Some errors have detailed explanations: E0502, E0510.
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For more information about an error, try `rustc --explain E0502`.
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