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.
Sometimes a meme exists purely because it sparks joy.
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Unlimited projects
Clydach Terrace, in Ynysybwl, Rhondda Cynon Taf, has a "unique risk of significant flooding" from the nearby Nant Clydach stream. It was under water during Storms Dennis and Bert, with homes extensively damaged.