From: Robert Dober <robert.dober@...>
Date: 2009-01-06T01:20:44+09:00
Subject: Re: Hash is not merged / recursive function

On Mon, Jan 5, 2009 at 3:35 PM, Dominik Krebs
<dominik.krebs@netzkollektiv.com> wrote:
I have no idea what's wrong with your code, but I happen to know a
Ruby Guru, so I asked him for help, here is what he told me, hopefully
that will enlighten you ;)

504/7 > irb
irb(main):001:0> options={:value => 42}
=> {:value=>42}
irb(main):002:0> options.update( :answer => 42 )
=> {:value=>42, :answer=>42}
irb(main):003:0> options
=> {:value=>42, :answer=>42}
irb(main):004:0> options.merge( :wisdom => 42 )
=> {:value=>42, :answer=>42, :wisdom=>42}
irb(main):005:0> options
=> {:value=>42, :answer=>42}
irb(main):006:0> options.merge!( :wisdom => 42 )
=> {:value=>42, :answer=>42, :wisdom=>42}
irb(main):007:0> options
=> {:value=>42, :answer=>42, :wisdom=>42}

HTH
Robert

-- 
It is change, continuing change, inevitable change, that is the
dominant factor in society today. No sensible decision can be made any
longer without taking into account not only the world as it is, but
the world as it will be ... ~ Isaac Asimov