1 error[E0506]: cannot assign to `x` because it is borrowed
2 --> $DIR/hrtb-identity-fn-borrows.rs:14:5
4 LL | let y = f.call(&x);
5 | -- borrow of `x` occurs here
7 | ^^^^^ assignment to borrowed `x` occurs here
10 | - borrow later used here
12 error: aborting due to previous error
14 For more information about this error, try `rustc --explain E0506`.