gistfile1.rb

class RoundedQueue

  attr_accessor :index

  def initialize(base = []) 
    @queue = base
    @index = 0 
  end 

  def get 
    if @index >= @queue.size - 1 
      rv = @queue[@index]
      @index = 0 
      return rv                                                                                                                                                                   
    else
      rv = @queue[@index]
      @index += 1
      return rv
    end 

  end 

  def push(x)
    @queue.push(x)
  end 

  def append(x)
    if (@index + 1) > @queue.size
      @queue.push(x)
    else
      @queue.insert((@index + 1), x)
    end 
  end 
end


a = RoundedQueue.new([1,2,3,4,5])

while(true)
  puts a.get
  sleep(0.2)
end