From: Gavin Sinclair <gsinclair@...>
Date: 2004-11-12T09:30:38+09:00
Subject: Re: non-nil, etc.  (was Re: true? & false?)

On Friday, November 12, 2004, 10:13:04 AM, Hal wrote:

> Gavin Sinclair wrote:
>>>unless a.nil?
>>>....
>>>end
>> 
>>   if a.notnil?
>>     ...
>>   end
>> 
>> :)


> You put a smiley, but in all seriousness I've thought of this.
> (Actually I'd use nonnil? or nnil?)

Smiley shmiley:

  require 'extensions/object'

  if a.notnil?
    ...
  elsif b.nonnil?
    ...
  end

It strictly concerns 'nil', though -- no concept of emptiness is
entertained.

Gavin