error[E0597]: `x` does not live long enough
  --> $DIR/rpit-hide-lifetime-for-swap.rs:27:38
   |
LL |     let x = [1, 2, 3];
   |         - binding `x` declared here
LL |     let short = Rc::new(RefCell::new(&x));
   |                                      ^^ borrowed value does not live long enough
...
LL |     let res: &'static [i32; 3] = *long.borrow();
   |              ----------------- type annotation requires that `x` is borrowed for `'static`
LL |     res
LL | }
   | - `x` dropped here while still borrowed

error: aborting due to 1 previous error

For more information about this error, try `rustc --explain E0597`.