You are right, using comments is even more effective in going from the generic to the specific - but then, there's a vocal minority who insist that comments are

You are right, using comments is even more effective in going from the generic to the specific - but then, there's a vocal minority who insist that comments are not only unnecessary, but a clear indication that you are doing it wrong. I must admit that I doubt many of them would endorse the use of auxiliary consts in the manner of the original example, either.