From: Tommy Nordgren <tommy.nordgren@...>
Date: 2008-10-17T12:49:11+09:00
Subject: Re: instance counter


On Oct 17, 2008, at 5:36 AM, Pierre Lebrun wrote:

> Please forgive the trite nature of this question, I'm new to ruby  
> and OO
> programming in general. I'm looking to create a counter that keeps  
> track
> of the number of instances created from one class (++ would we access
> this from the class or the instace?).
>
> I've made a few lame attempts myself so far but nothing functional :-P
>
> Also, why does ruby return an error for:
>
> Class Bob
>  attr_reader :count
>  @count = 0
>  def initialize
>    @count += 1
>  end
> end
>
> Cheers!
> -- 
> Posted via http://www.ruby-forum.com/.
>
	You need to write @@count = 0.
and
def Bob.count
	return @@count
end
------
What is a woman that you forsake her, and the hearth fire and the home  
acre,
to go with the old grey Widow Maker.  --Kipling, harp song of the Dane  
women
Tommy Nordgren
tommy.nordgren@comhem.se