From: Robert Klemme <shortcutter@...>
Date: 2008-06-27T06:12:54+09:00
Subject: Re: question about defined? and y

On 26.06.2008 22:32, Ben Bleything wrote:
> On Fri, Jun 27, 2008, alandacosta@gmail.com wrote:
>> The "!!" should take care of your nil situation when you want a true/
>> false. If "defined?(y)" is returning "method", that means you
>> previously def'ed y ... maybe even in your .irbrc file (if called from
>> irb).
> 
> But I'm not sure when you ever actually *care* that it's either true
> or false. nil is false, false is false, everything else is true.  The
> result is that you generally needn't care what defined? returns.

I would go even as far as to not care what defined? actually does.  I 
did not have use for it yet.  I have observed that when I started Ruby 
with a bit of Perl background I felt that I needed it but quickly 
discovered that not.  So, OP what do you need defined? for?

Cheers

	robert