From: Paul McMahon <pm@...>
Date: 2008-03-03T18:58:21+09:00
Subject: Re: Dealing with nil

> With this, you can do
>
> irb(main):038:0> s=nil
> => nil
> irb(main):039:0> s.nil_safe(0) {length}
> => 0

I don't really get your example...

Why not just use s.to_s.length?

In the more general case, why no just follow the pattern s.nil? ? 0 :  
s.length?