The primary signal is desiredSize on the controller. It can be positive (wants data), zero (at capacity), negative (over capacity), or null (closed). Producers are supposed to check this value and stop enqueueing when it's not positive. But there's nothing enforcing this: controller.enqueue() always succeeds, even when desiredSize is deeply negative.
蜜雪冰城要在河南老家建“雪王乐园”
。业内人士推荐safew官方下载作为进阶阅读
有了初二回家这次拥挤的顺风车经验，在约返程顺风车的时候，我特意在沟通时反复确认：“车上一共载几个人？不会‘满载’吧？”在得到车主“空间绝对宽松”的保证后，我才放心下单。
courier to the bank headquarters, where an army of clerks in yet another back
Follow topics & set alerts with myFT