That's fair. Parenthesising return is a matter of readability and flavour to me. It tickles my spidey sense if it is missing. I strongly dislike declaring vari

That's fair. Parenthesising return is a matter of readability and flavour to me. It tickles my spidey sense if it is missing. I strongly dislike declaring variables anywhere else but the function root, but I agree with you on the example you provided that those kind of variables could be constified to be sane.