From: "Bartosz Dziewoński" <matma.rex@...>
Date: 2012-10-21T01:53:46+09:00
Subject: Re: Hash with Integer key issue

Hashes are unsorted. However, in Ruby 1.9 (but not in 1.8) they are
ordered; that is, when you iterate over them, the elements are yielded
in the same order as they were inserted.

-- Matma Rex