"We’ve done a lot to improve performance and consistency in Node streams, but there’s something uniquely powerful about starting from scratch. New streams’ approach embraces modern runtime realities without legacy baggage, and that opens the door to a simpler, performant and more coherent streams model."
// 测试函数：验证排序正确性
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Kevin Church/ BBC News，详情可参考Line官方版本下载
var tasks []task。夫子对此有专业解读