siftDown(arr, i, 0); // 对剩余i个元素重新建堆
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The problem compounds in pipelines. Each TransformStream adds another layer of promise machinery between source and sink. The spec doesn't define synchronous fast paths, so even when data is available immediately, the promise machinery still runs.
How to watch West Indies vs. South Africa for freeWest Indies vs. South Africa in the 2026 T20 Cricket World Cup is available to live stream for free on ICC.TV.