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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。搜狗输入法2026对此有专业解读
"Usdaw will enter into consultation talks and do all we can to interrogate the business case for the company's proposals, while seeking the best deal possible for any of our members who are impacted."
while (stack.length 0 && stack[stack.length - 1] <= cur) {