It incurs some cost, but whether it is higher is very debatable. This is very mu... | Hacker News

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		pkolaczk on Feb 5, 2020 \| parent \| context \| favorite \| on: Why Discord is switching from Go to Rust It incurs some cost, but whether it is higher is very debatable. This is very much workload dependent. A smart compiler can elide most reference updates.

pjmlp on Feb 5, 2020 | [–]

No it can't, not in Swift's current implementation.

https://github.com/ixy-languages/ixy-languages

abjKT26nO8 on Feb 5, 2020 | [–]

It would seem that the Swift compiler is far from smart[1].

[1]: <https://media.ccc.de/v/35c3-9670-safe_and_secure_drivers_in_...

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