// Stateless transform — a pure function
The design of Web streams predates async iteration in JavaScript. The for await...of syntax didn't land until ES2018, two years after the Streams Standard was initially finalized. This timing meant the API couldn't initially leverage what would eventually become the idiomatic way to consume asynchronous sequences in JavaScript. Instead, the spec introduced its own reader/writer acquisition model, and that decision rippled through every aspect of the API.，更多细节参见heLLoword翻译官方下载
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But didn’t you explain that you have to use rpm-ostree to install packages and not dnf?。业内人士推荐Line官方版本下载作为进阶阅读