;; import the memory from JS code
* @param arr 待排序数组
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Dr. Becky’s ‘magic potion’
但营收增长的背后，是成本压力的持续凸显。外卖大战中，平台佣金、配送费用成为侵蚀利润的主要因素，瑞幸2025年第三季度配送费用支出高达28.9亿元，同比增长211%，导致盈利水平承压。
The API deals exclusively with bytes (Uint8Array). Strings are UTF-8 encoded automatically. There's no "value stream" vs "byte stream" dichotomy. If you want to stream arbitrary JavaScript values, use async iterables directly. While the API uses Uint8Array, it treats chunks as opaque. There is no partial consumption, no BYOB patterns, no byte-level operations within the streaming machinery itself. Chunks go in, chunks come out, unchanged unless a transform explicitly modifies them.