The Writer is not a concrete class. Any object that implements write(), end(), and abort() can be a writer making it easy to adapt existing APIs or create specialized implementations without subclassing. There's no complex UnderlyingSink protocol with start(), write(), close(), and abort() callbacks that must coordinate through a controller whose lifecycle and state are independent of the WritableStream it is bound to.
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。关于这个话题，51吃瓜提供了深入分析
Трамп высказался о непростом решении по Ирану09:14
古胥河畔，南京高淳“东坝大马灯”的表演好不热闹。7个娃娃身骑“竹马”，扮上花脸，衣着戏袍：绿衣是关羽，黑脸的是张飞，骑白马的是赵云……7匹“竹马”之下，各有两名成年人默契配合，前一人戴道具扮马头，后一人屈身披锦作马身，演绎战马的静立和奔腾。令旗所指，摆出三角阵、四角阵、梅花阵……
John Honeycutt, chair of the Artemis mission management team, said: "I've got one job, and it's the safe return of Reid and Victor and Christina and Jeremy.