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by joshlemer
1543 days ago
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Rich Hickey made a great talk on this in 2009 https://youtu.be/ScEPu1cs4l0 An other way to think about it is that the programs we write do not literally simulate entities (users, other domain objects like books, students, professors, classes, etc). Our software simulates the record keeping devices that store /protect information regarding these entities. We are most of the time writing information processing systems, not simulation systems and information accumulates, rather than updates in places. Like, e.g. when there's a new president elected, we don't all go out with our erasers and remove all references to change sentences from "The President is Donald Trump" to say "The President is Joe Biden", instead we accumulate new facts without remembering the old. |
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