code: protected static Object primitiveArrayGet(Object self, int idx) {
          return Array.get(self, normaliseIndex(idx, Array.getLength(self)));
      }
docs: Implements the getAt(int) method for primitive type arrays.
  
  @param self an array object
  @param idx  the index of interest
  @return the returned value from the array
  @since 1.5.0