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.
每月領薪日，他第一件事就是到便利商店繳費。「那是一大筆費用，但這就是規矩，不付錢就沒有工作機會。工作到現在，我才剛還完信用貸款，根本還沒開始賺錢。」
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