(.x p) ;; or (.-x p) for disambiguation with 0-arity methods
I was thinking some time over this comment and did not understand it; in particular as the .x method is not a 0-arity method, but then I got it: you mean the disambiguation between a (parameterless) method and a field in a Java class with the same name.
I recommend to write
(.x p) ;; or (.-x p) for disambiguation with a 0-arity method with the same name
or
(.x p) ;; or (.-x p) for disambiguation with a 0-arity method with the name x