From: Joel VanderWerf <vjoel@...>
Date: 2005-08-29T13:49:58+09:00
Subject: Re: Hash.new(confusion)

Trans wrote:
> irb(main):006:0> def r
> irb(main):007:1>   @r ||= Hash.new({})
> irb(main):008:1> end
> => nil
> irb(main):009:0> r[:a]
> => {}
> irb(main):010:0> r[:b][:c] = 10
> => 10
> irb(main):011:0> r
> => {}
> irb(main):012:0> r[:b]
> => {:c=>10}
> irb(main):013:0>
> 
> Please explain how r is empty but r[:b] exists.  Thank You.
> 
> T.
> 

Try

p r.default

and you'll see what's going on.

-- 
      vjoel : Joel VanderWerf : path berkeley edu : 510 665 3407