From: Jonas Pfenniger <zimba.tm@...>
Date: 2006-09-20T04:16:34+09:00
Subject: Re: [ANN] Ducktator - A Duck Type Validator

I'm sure this can be extended to support a hierarchy :

class Object
  def quaks_like?(*args)
    args.each do |a|
      return false unless respond_to? a
    end
    return true
  end
end

x = {}
x.quaks_like? :to_hash, :each, :merge #=> true


-- 
Cheers,
  zimbatm

http://zimbatm.oree.ch