From: Pit Capitain <pit@...>
Date: 2006-03-23T17:45:05+09:00
Subject: Re: questions/suggestions from a Ruby newbie

dblack@wobblini.net schrieb:
> This reminds me of my favorite way to create an pseudo-auto-vivifying
> hash:
> 
>   Hash.new {|h,k| h[k] = h.dup }
> 
> :-)  I don't think there's an equally concise way for the array thing.

David, is this really working for you?

   x = Hash.new {|h,k| h[k] = h.dup }
   x[1] = "x1"
   x[2]
   p x    # => {1=>"x1", 2=>{1=>"x1"}}

Maybe you mean

   Hash.new {|h,k| h[k] = h.dup.clear }

Regards,
Pit