From: Gene Tani <gene.tani@...>
Date: 2005-12-09T03:17:35+09:00
Subject: Re: ordered/sorted hash


Steve Litt wrote:
> On Thursday 08 December 2005 12:37 pm, robertj wrote:
> > hi,
> >
> > is there anywhere a class that does soemthing
> > akin to java.util.SortedMap? that is sorting
> > and iterating over the hash in the order of its
> > keys.
>
> When I tried it, it seemed that Ruby automatically sorted the keys. I'm not
> sure if this is what you want, but see this:
>
> http://www.troubleshooters.com/codecorn/ruby/basictutorial.htm#_Hashes
>

Not sure what "it" is, but Hash#sort will convert the hash to a list of
lists, sorted by their keys

Then others have put in rbtrees, arrays accessed by keywords,
http://raa.ruby-lang.org/project/ruby-rbtree/
http://codeforpeople.com/lib/ruby/arrayfields/arrayfields-3.5.0/README