Ruby簡單的生產者，消費者模式的實現

require 'thread'

q = Queue.new

producter = Thread.new {
  10.times { |i|
    q.push i 
    sleep 1
  }
  q.push nil
}

consumer = Thread.new {
  loop {
    i = q.pop
    break if i == nil
    puts i
  }
}

consumer.join

轉自： 松本行弘的程序世界