I’ve not used FORTH, but I learned UIUA last year which has the stack paradigm. You just have to be more careful about your function design and the order of app

I’ve not used FORTH, but I learned UIUA last year which has the stack paradigm. You just have to be more careful about your function design and the order of application. I was using emacs and there were annotations by the language server that said how many items you’re taking from the stack and how many will stay behind.