苹果 CEO 蒂姆 · 库克：相信自己的力量
The entire pipeline executes in a single call stack. No promises are created, no microtask queue scheduling occurs, and no GC pressure from short-lived async machinery. For CPU-bound workloads like parsing, compression, or transformation of in-memory data, this can be significantly faster than the equivalent Web streams code — which would force async boundaries even when every component is synchronous.
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await writer.write("Hello, World!");
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like validation rules for input. In other ways, they were very primitive,