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TimSweeneyEpic's profile
Tim Sweeney
Tim Sweeney
Tim Sweeney
@TimSweeneyEpic

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Tim Sweeney

@TimSweeneyEpic

Epic Games founder & CEO

epicgames.com
Joined August 2013

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    1. Tim Sweeney‏ @TimSweeneyEpic 19 Aug 2018
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      Tim Sweeney Retweeted

      What is this “ownership” concept in the real world and abstract world? Does a matrix own the real numbers inside it? Does a car own its driver? Or vice-versa? No, the fact that a thing can be observed somehow requires that it either persists or is losslessly recreatable. https://twitter.com/BiCapitalize/status/1030530927515107328 …

      Tim Sweeney added,

      This Tweet is unavailable.
      12 replies 7 retweets 40 likes
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    2. Mikulas Florek‏ @mikulasflorek 19 Aug 2018
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      Replying to @TimSweeneyEpic

      "Owned" object is valid/can be observed only if its owner is valid/can be observed. It's invariant to help programmers argue about validity. GC does not offer that.

      1 reply 0 retweets 0 likes
      Tim Sweeney‏ @TimSweeneyEpic 19 Aug 2018
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      Replying to @mikulasflorek

      How does this work for ducks? Does the mama duck or the papa duck own the ducklings? Do the ducklings disappear when their parent goes to duck heaven? Or vice-versa? This abstraction fails to map to any situation that’s not a directed acyclic graph.

      4:55 AM - 19 Aug 2018
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      • Real AI Siew Yi Liang eL Max Enko
      2 replies 0 retweets 4 likes
        1. Mikulas Florek‏ @mikulasflorek 19 Aug 2018
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          Replying to @TimSweeneyEpic

          Single ownership "fails" for anything other than trees, not just DAGs. That does not mean it's not useful at all. Acyclic relations between objects are pretty common.

          0 replies 0 retweets 1 like
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        1. ongamex‏ @ongamex92 19 Aug 2018
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          Replying to @TimSweeneyEpic @mikulasflorek

          the duck owns its liver, when the duck dies the liver dies too, then the natural GC dissolves everything

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