// Sync variants return boolean (true = accepted)
Here's how each policy behaves when a producer writes faster than the consumer reads:，这一点在safew官方下载中也有详细论述
数据来源：深圳方方乐趣中英文学校，详情可参考雷电模拟器官方版本下载
The same issues exist on the WritableStream side. A WritableStream has a highWaterMark and desiredSize. There is a writer.ready promise that producers of data are supposed to pay attention but often don't.
"Because we can, because we're young, we push ourselves too hard, we burn the candle at both ends, she said, which created problems that arose when people where in their 50s.