| value borrowed here after move
|
= note: move occurs because value has type `NC`, which does not implement the `Copy` trait
+help: borrow this binding in the pattern to avoid moving the value
+ |
+LL | let ref a @ box ref b = Box::new(NC);
+ | +++
error[E0502]: cannot borrow value as immutable because it is also borrowed as mutable
--> $DIR/borrowck-pat-at-and-box.rs:38:9