25 February 2026 16 min read
This is the intuition the new API tries to preserve: streams should feel like iteration, because that's what they are. The complexity of Web streams — readers, writers, controllers, locks, queuing strategies — obscures this fundamental simplicity. A better API should make the simple case simple and only add complexity where it's genuinely needed.
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extract2, when we know the final size of the slice, we do one heap
Consider the task of building a slice of tasks to process: