It's probably not removable after almost 40 years. It has expression functions which you can wrap a return result in () and avoid it. The important part is th

It's probably not removable after almost 40 years. It has expression functions which you can wrap a return result in () and avoid it. The important part is that it's surprisingly consistent in that 3 of the 4 structural elements are nearly all self-similar in their declare/begin/end format (protected type being the 4th and the difference).