fibers_level_2.rb

worker = nil

manager = Fiber.new do |work_for_manager|
  puts "Manager starting the work"
  puts "Doing the work...(Manager)"
  puts work_for_manager
  puts "Ending the work..(Manager)"
  worker.transfer("Do this now - Manager")
  puts "Approving - Manager"
  puts "Manager logging off"
  worker.transfer
end

worker = Fiber.new do |work_for_employee|
  puts "Worker starting the work"
  puts "Doing the work..(Worker)"
  puts work_for_employee
  puts "Ending the work..(Worker)"
  manager.transfer("Work is completed. Please approve the PR - Worker")
  puts "Worker logging off"
end

manager.resume