error[E0506]: cannot assign to `_a` because it is borrowed | |
--> $DIR/borrowck-imm-ref-to-mut-rec-field-issue-3162-c.rs:19:9 | |
| | |
LL | let b = &mut _a; | |
| ------- borrow of `_a` occurs here | |
... | |
LL | _a = 4; //[ast]~ ERROR cannot assign to `_a` | |
| ^^^^^^ assignment to borrowed `_a` occurs here | |
... | |
LL | drop(b); | |
| - borrow later used here | |
error: aborting due to previous error | |
For more information about this error, try `rustc --explain E0506`. |