From: nobu.nokada@...
Date: 2002-12-18T22:47:39+09:00
Subject: Re: Hash.new{...} bug?

Hi,

At Wed, 18 Dec 2002 22:20:50 +0900,
Bulat Ziganshin wrote:
> i think i found bug in "ruby 1.7.2 (2002-07-02) [i386-mswin32]"
> 
> hash = Hash.new{Hash.new}
> hash[0][0] = 1
> p hash[0]  #=> {}
> 
> i think it must print "{0=>1}".

Hash 'default' proc never modify the hash itself automatically.
Try with this.

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

-- 
Nobu Nakada