From: "Jean-Sébastien" <jeansebastien.ney@...>
Date: 2007-04-13T00:55:06+09:00
Subject: distinct

hello,

  a little question... how to get distinct values from an hash?

ex:
hash = {"a"=>100, "b"=>200, "d"=>100, "d"=>200}
==> hash_with_distinct_values = [100, 200]

thanks.