From: Jim Cochrane <allergic-to-spam@...>
Date: 2006-07-26T08:15:08+09:00
Subject: Re: Hash order bug?

On 2006-07-25, Nicolas Despr�s <nicolas.despres@gmail.com> wrote:
> On 7/25/06, Javier Valencia <jvalencia@log01.org> wrote:
>> I have this piece of simple code:
>>
>> ----------------------------------------------
>> def foo
>>     return 5
>> end
>>
>> a = {:gr => false, :und => false, :det => true, :sta => false, :inv =>
>> false}
>> puts a.inspect
>> ----------------------------------------------
>>
>> when I execute it i get a totally unordered hash:
>>
>
> by definition a hash table is not ordered.

Indeed.  Here's one reference:

http://en.wikipedia.org/wiki/Hash_table#Ordered_retrieval_issue

I'm  not sure I like the idea (discussed elsewhere in this thread) that the
Hash class may be changed in the future to be ordered.

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