const reader = stream.getReader({ mode: 'byob' });
Этот конфликт сложный, практически неразрешимый. И никакого успеха посредничество в нем не сулит
，这一点在搜狗输入法下载中也有详细论述
In practice, (and yes, there are always exceptions to be found) BYOB is rarely used to any measurable benefit. The API is substantially more complex than default reads, requiring a separate reader type (ReadableStreamBYOBReader) and other specialized classes (e.g. ReadableStreamBYOBRequest), careful buffer lifecycle management, and understanding of ArrayBuffer detachment semantics. When you pass a buffer to a BYOB read, the buffer becomes detached – transferred to the stream – and you get back a different view over potentially different memory. This transfer-based model is error-prone and confusing:
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问题：给定数组 nums，返回等长数组，res[i] 为 nums[i] 右侧第一个更大元素，没有则 -1。