From: Kevin Ballard <kballard@...>
Date: 2005-10-19T22:41:58+09:00
Subject: Re: bad String blows up world using length method!!!!!!!!!

Erik Veenstra wrote:
> > if contentvariable.size then
>
> Apart from the problem you described, this code will always
> resolve to true: zero is true, not false. You could use
> "contentvariable.empty?" instead.

I prefer the more sensible

  unless contentvariable.zero?