From: Leo Laursen <1858323m001@...1.stofanet.dk>
Date: 2001-12-12T00:42:15+09:00
Subject: [ruby-talk:28232] Re: Hash.keys Q

Den 12-12 2001 kl. 12:21:38 +0900, skrev David Alan Black:

> Welcome to Ruby!

Thank you

>> Now options.keys returns ["Password", "Host", "Port", "Name"]
>> I would expect ["Host", "Port", "Name", "Password"]
>> is there an explanation for this ?

> Yes: the order of hash keys is not guaranteed.  I *think* #keys
> returns the keys in the same order when called multiple times, but I'm
> not 100% sure.  In any case, that order itself cannot be predicted.

The order has been consistent so far. I wonder if the order is dependent
of the hash content, or host specific.

> I believe various people have written various OrderedHash
> extensions... (very helpful advice, I know :-) You could search on
> <http://www.ruby-talk.org> to see if there's been discussion here.

I'll have a look, thanks

Leo 
-- 
Non-Determinism is not meant to be reasonable.
		-- M.J. 0'Donnell