2026-02-28 00:00:00:0本报记者 张 枨 薛志龙代表——
const stack = []; // 单调栈：存储「右侧候选更大值」，栈内元素单调递增
，这一点在搜狗输入法2026中也有详细论述
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.
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