How can it reverse time? Does it record a stack of every decision point? | Hacker News

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		nynx on Sept 10, 2024 \| parent \| context \| favorite \| on: Debugging in the Multiverse How can it reverse time? Does it record a stack of every decision point?

intuitionist on Sept 10, 2024 | [–]

You don’t need to reverse time if you can deterministically reproduce everything that led up to the point of interest. (In practice we save a snapshot of your system at some intermediate point and replay from there.)

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