Minimal working model of object orientation, that cannot be simplified further? Look no further than Piumarta’s https://piumarta.com/software/id-objmodel/ https

Minimal working model of object orientation, that cannot be simplified further? Look no further than Piumarta’s https://piumarta.com/software/id-objmodel/ https://piumarta.com/software/id-objmodel/ As beautifully shown in that paper, all you need is a primitive “message send” operation and a “lookup” message, pretty much everything else in OOP isn’t necessary or can be implemented at run-time.