Nature, Published online: 25 February 2026; doi:10.1038/s41586-026-10158-7
semantics, what should a regex engine do when there are multiple possible matches?
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No polling, no wasted cycles. The handler blocks until the event fires. But Event is boolean: it's either set or unset. Our connection has five states, and drain_requests only cares about one of them. What happens when another handler needs to wait for connected? You need a second event. A third handler waiting for "not disconnected"? A third event with inverted logic. The setter has to know about all of them:
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