Plato's Theory of Forms and Object Oriented Programming

In the theory of forms, Plato posits that there were these things called "forms," and a form is basically an abstract concept that represents some sort of object that exists. Then these objects were basically some sort of particular thing that has form-ness of some kind. So you can almost think of this as like a class and an instance basically, where you have the general definition and then the specific one. And then those objects also have attributes, which is some sort of quality. Whenever...

 Joe Armstrong on OOP

think the lack of reusability comes in object-oriented mguages, not in functional languages. Because the problem with object-oriented languages is they've got all this implicit environment that they carry around with them. Vou i wanted a banana but what you got was a gorilla holding the banana and the entire jungle. If you have referentially transparent code, if you have pure iinctions—ail the data comes in its input arguments and everything goes out and leaves no state behind—it's incr...