From: Tanaka Akira <akr@...17n.org>
Date: 2002-01-01T16:08:58+09:00
Subject: [ruby-talk:29937] Re: Ruby multi-dimensional Hash question?---Any one out there willing to give this questions a try?

In article <1009851494.797529.11787.nullmailer@ev.netlab.jp>,
  matz@ruby-lang.org (Yukihiro Matsumoto) writes:

> You've got [ruby-talk:29787].  Alternative solution is fetch Ruby
> 1.7.2 and  do
> 
>   MyHash = Hash.new{Hash.new}

irb(main):001:0> RUBY_VERSION
"1.7.2"
irb(main):002:0> MyHash = Hash.new{Hash.new}
{}
irb(main):003:0> MyHash[0][1] = 2
2
irb(main):004:0> MyHash[0][1]
nil

I think it is not solution because the assignment doesn't modify MyHash.
-- 
Tanaka Akira