You might assume this pattern is inherent to streaming. It isn't. The reader acquisition, the lock management, and the { value, done } protocol are all just design choices, not requirements. They are artifacts of how and when the Web streams spec was written. Async iteration exists precisely to handle sequences that arrive over time, but async iteration did not yet exist when the streams specification was written. The complexity here is pure API overhead, not fundamental necessity.
2026-02-28 08:00:00
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中华文明的连续性不仅载录于史书典籍中，更镌刻在物质文化与基因血脉的深处。多学科手段、方法的运用，使我们有能力借古人不经意间留下的一鳞半爪，窥见文明赓续的脉络。
SpaceX said, "We look forward to working with NASA to fly missions that demonstrate valuable progress towards establishing a permanent, sustainable presence on the lunar surface."