From: Brian Candler <B.Candler@...>
Date: 2007-05-09T01:55:14+09:00
Subject: Re: Equality question

On Wed, May 09, 2007 at 12:58:01AM +0900, Sebastian Hungerecker wrote:
> Brian Candler wrote:
> > o1 = [:defuzz_configs, {"conf"=>"foo.txt"}]
> > o2 = [:defuzz_configs, {"conf"=>"foo.txt"}]
> > p o1 == o2              # prints true
> > p o1.hash == o2.hash    # prints false ??             <<<<<<<<<<<
> 
> That's because the Hashs in o1 and o2 are two different objects.

So hashes and arrays don't behave the same in this regard?

o1 = ["hello", ["world"]]
o2 = ["hello", ["world"]]
p o1 == o2
p o1.hash == o2.hash    # prints true

o1 = {"key"=>"hello"}
o2 = {"key"=>"hello"}
p o1 == o2
p o1.hash == o2.hash    # prints false

I wonder why this is?