> I used to think, ugh, I’d have to define types everywhere, make struct (or classes) in advance, and sometimes make wild guesses because those things were unkn

> I used to think, ugh, I’d have to define types everywhere, make struct (or classes) in advance, and sometimes make wild guesses because those things were unknown or not finalised A defined wild guess of something which is not finalised is still miles better than an undefined, implicit, amorphous wild guess