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error[E0596]: cannot borrow `**ref_mref_x` as mutable, as it is behind a `&` reference
--> $DIR/mut_ref.rs:12:13
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LL | let c = || {
| ^^ `ref_mref_x` is a `&` reference, so the data it refers to cannot be borrowed as mutable
LL |
LL | **ref_mref_x = y;
| ------------ mutable borrow occurs due to use of `**ref_mref_x` in closure
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help: consider changing this to be a mutable reference
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LL | let ref_mref_x = &mut mref_x;
| +++
error[E0596]: cannot borrow `**mref_ref_x` as mutable, as it is behind a `&` reference
--> $DIR/mut_ref.rs:26:13
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LL | let c = || {
| ^^ cannot borrow as mutable
LL |
LL | **mref_ref_x = y;
| ------------ mutable borrow occurs due to use of `**mref_ref_x` in closure
error: aborting due to 2 previous errors
For more information about this error, try `rustc --explain E0596`.
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