From: Bertram Scharpf <lists@...>
Date: 2007-08-26T09:31:21+09:00
Subject: Re: class X < Hash ...  how do I do X.new { |hash, key| ...} ?

Hi,

Am Sonntag, 26. Aug 2007, 09:06:24 +0900 schrieb Larry Fast:
> I created a child class of Hash and would like to internalize the
> equivalent of Hash.new {|hash,key| }  The following code failed:
> 
> class X < Hash
>   def initialize
>     super { |hash,key|  ... }
>   end
> end
> 
> Any suggestions?

Any error messages?

I pipe the following code from here in the editor into Ruby:

--------------------------------
class H < Hash
  def initialize
    super { |h,k| h[k] = Time.now }
  end
end
h = H.new
puts h[:x]
sleep 1
puts h[:y]
puts h[:x]
--------------------------------
Sun Aug 26 02:30:35 +0200 2007
Sun Aug 26 02:30:36 +0200 2007
Sun Aug 26 02:30:35 +0200 2007
--------------------------------

Bertram


-- 
Bertram Scharpf
Stuttgart, Deutschland/Germany
http://www.bertram-scharpf.de