> It's much easier to read code that uses named data structures. That's why a bunch of large Lisp software was written with named data structures in the 70s/80

> It's much easier to read code that uses named data structures. That's why a bunch of large Lisp software was written with named data structures in the 70s/80s. They were called class, flavor, structure, frame, ... One can find a lot about that in the literature. Common Lisp was literally the first officially standardized object-oriented language, providing named classes and generic functions as building blocks.