From: Gregory Brown <gregory.t.brown@...>
Date: 2009-06-28T22:18:07+09:00
Subject: Re: Attr Methods and object setters

On Sat, Jun 27, 2009 at 11:26 PM, Daniel DeLorme<dan-ml@dan42.com> wrote:
> Gregory Brown wrote:
>>
>> Anyway, here's a better way to solve the problem that probably
>> addresses your concerns:
>>
>> def name(*args)
>>       return @name if args.empty?
>>      @name = args.first
>> end
>
> Another way to do this is to use some kind of singleton object
>
> Nothing = Object.new
> def name(value = Nothing)
>  @name = value unless value == Nothing
>  @name
> end

Ooh, neat trick.   Thanks for sharing.

-greg