BTW, the solution I provided in my library already does exactly what you are describing in terms of not needing to instrument each enum class. The high value o

BTW, the solution I provided in my library already does exactly what you are describing in terms of not needing to instrument each enum class. The high value of your response, to me, is discovering I can replace my custom "Memoizer" mechanism with a platform-provided (and therefore superior to my custom code) solution with java.lang.ClassValue.