From: Florian Gross <flgr@...>
Date: 2004-07-18T04:47:13+09:00
Subject: Re: [NUBY] Code sample from The Ruby Way

Alexey Verkhovsky wrote:

> I don't understand, what is this line for:
> 	return nil if self.nil?
> Can self.nil? ever evaluate to true in a method of String???

It looks like a bug -- the only Object that returns true on .nil? in 
Standard Ruby is nil itself. Maybe they wanted to do self.empty? / 
other.empty? instead? (But then again the Levenstein distance from an 
empty string to "foo" should be 3...)

> Best regards,
> Alexey Verkhovsky

More regards,
Florian Gross