I do write code in statically typed languages (C++, Haskell, have done Java before, etc...). > Also, .methods is a runtime thing, that’s hardly useful I think

I do write code in statically typed languages (C++, Haskell, have done Java before, etc...). > Also, .methods is a runtime thing, that’s hardly useful I think you missed the whole point of a REPL and dynamic languages... Developing while program is running = runtime things are definitely useful, they provide instant feedback (including completions, linting, that sort of thing).