From: Hal Fulton <hal9000@...>
Date: 2006-07-26T09:56:05+09:00
Subject: Re: Hash order bug?

Paul Battley wrote:
> On 25/07/06, dblack@wobblini.net <dblack@wobblini.net> wrote:
> 
>> The question came up during a lunch here at OSCON (with me, Jim
>> Weirich, Pat Eyler, and a fellow named Nicolas whose last name I'm
>> afraid I don't remember) as to whether making hashes ordered in a
>> future Ruby would break any existing code.  I think the answer is no,
>> which is kind of interesting considering what a major change it would
>> be.  It's a case where the feature would be purely additive.
> 
> 
> I think that would depend on whether {:a => 1, :b => 2} == {:b => 2,
> :a => 1}. If that's the same, everything should be fine. If it's
> different, I know that it would break a number of my tests, if nothing
> else.

In previous discussions, Matz said these would still be equal.

That suits me: I could still do h1.to_a == h2.to_a if needed.


Hal