From: Martin DeMello <martindemello@...>
Date: 2003-10-04T14:33:21+09:00
Subject: Re: hash of hashes

Joel VanderWerf <vjoel@path.berkeley.edu> wrote:
> 
> hash_maker = proc do |h, k|
>   h[k] = Hash.new(&hash_maker)
> end
> 
> h = Hash.new(&hash_maker)
> 
> h[1][2][3][4][5] = 6
> 
> p h   # {1=>{2=>{3=>{4=>{5=>6}}}}}

My head hurts :) That needs to go on the Ruby Idioms page.

martin