From: Adriano Ferreira <a.r.ferreira@...>
Date: 2005-05-06T00:09:41+09:00
Subject: Re: Whats so different about a Hash?

> What does 1.9 do for Hash#eql?  ?

Probably some equivalent to:

class Hash
  def eql?(b)
     h1 = (self.length >= b.length) ? self : b
     h2 = (self.length >= b.length) ? b : self
     return h1.all? { | k, v | v.eql?(h2[k]) }
  end
end

where setting h1, h2 is a trick for granting there will be no false positives.