Apple’s revamped compact workout Beats earbuds stick to a winning formula, while slimming down and improving comfort.
再写代码：从插入/冒泡开始，逐步挑战快排/归并
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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.