gistfile1.ru

class Hash
  alias :old_to_a :to_a
  def safe_to_a
    old_to_a.sort
  end

  def to_a
    safe_to_a
  end

  def map(&blk)
    safe_to_a.map(&blk)
  end

  def each(&blk)
    safe_to_a.each(&blk)
  end

  def each_pair(&blk)
    each(&blk)
  end
end

class Set
  alias :old_to_a :to_a

  def safe_to_a
    old_to_a.sort
  end

  def to_a
    safe_to_a
  end
  
  def map(&blk)
    safe_to_a.map(&blk)
  end

  def each(&blk)
    safe_to_a.each(&blk)
  end
end