> <i>This is also fundamentally how other OO systems work</i><p>There is no inheritance here, just a function table as it is often used in C libraries.<p>> <i>OO programming is, at heart, just one approach to organizing functions and data</i><p>Which equally applies to any programming paradigm.<p>> <i>such as simulation (thus Simula)</i><p>Simula 67 - the world's first OO programming language - was explicitly conceived general purpose, in contrast to Simula I, which was not yet OO (though it already had active objects) and dedicated to simulation.