# Lil bit of sugar for EMJack::Connection
    def next_job(&block)
      work = Proc.new do
        r = reserve
        
        r.callback do |job|
          block.call(job)
          EM.next_tick { work.call }
        end
      end
 
      work.call
    end
 
# Usage:
 
require 'eventmachine'
require 'em-jack'
 
EM::run do
    jack = EMJack::Connection.new
 
    jack.next_job do |job|
        puts "Got job ##{job.jobid}: #{job}"
    
        r = beanstalk.delete(job)
        r.callback { puts "** Deleted #{job}" }
    end
end