From: amrangaye <amrangaye@...>
Date: 2006-02-02T06:44:14+09:00
Subject: Re: nil != []

>When you get used to it, it's quite handy. Some methods return integers,
>and false values on failures. If 0 was false, you'd have to distinguish
>between 0 and false/nil when checking for success.

One example of this that tripped me up today is the regular expression
match operator (=~), which returns (0-based) the index of a match, or
nil otherwise. If 0 was false, you couldn't do:

if str =~ /^Hello/

.....