From: Yoann Guillot <john-rubytalk@...>
Date: 2006-10-19T20:17:53+09:00
Subject: Re: instance variable not initialized warning

> 
> Does it make sense to spit out this warning even if you are doing 
> something safe such as calling Object#nil?
> 
> What do you think?
> 

The interpreter does not flag methods as 'safe' or 'unsafe'.

If you want to get rid of the warning, you can use

 if defined? @var

or
 
 @var ||= 0
 @var += 1


Yoann