#!/usr/bin/ruby

module IcmpPoller
  def poll
    puts "ICMP Polling #{@id}"
  end
end

module SnmpPoller
  def poll
    puts "SNMP Polling #{@id}"
  end
end

class Device
  def initialize
    @id = 5
  end

  def poll
    [IcmpPoller, SnmpPoller].each do |poller|
      puts "Running #{poller}"
      poller.instance_method(:poll).bind(self).call
    end
  end
end

d = Device.new
d.poll