When a host runtime provides a byte-oriented ReadableStream from the runtime itself, for instance, as the body of a fetch Response, it is often far easier for the runtime itself to provide an optimized implementation of BYOB reads, but those still need to be capable of handling both default and BYOB reading patterns and that requirement brings with it a fair amount of complexity.
Nature, Published online: 26 February 2026; doi:10.1038/d41586-026-00555-3
。搜狗输入法2026对此有专业解读
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