error[E0506]: cannot assign to `a1` because it is borrowed | |
--> $DIR/regions-pattern-typing-issue-19997.rs:7:13 | |
| | |
LL | match (&a1,) { | |
| --- borrow of `a1` occurs here | |
LL | (&ref b0,) => { | |
LL | a1 = &f; | |
| ^^^^^^^ assignment to borrowed `a1` occurs here | |
LL | drop(b0); | |
| -- borrow later used here | |
error: aborting due to previous error | |
For more information about this error, try `rustc --explain E0506`. |