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42 lines
1.3 KiB
Markdown
42 lines
1.3 KiB
Markdown
---
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layout: single
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title: "Luau Recap: March 2021"
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---
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Luau is our new language that you can read more about at [https://roblox.github.io/luau](https://roblox.github.io/luau). It's been a busy month in Luau!
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[Cross-posted to the [Roblox Developer Forum](https://devforum.roblox.com/t/luau-recap-march-2021/).]
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## Typed variadics
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[TODO]
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## Generic functions
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[TODO]
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## Typechecking improvements
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* Check bodies of methods whose `self` has type `any`
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* More precise types for `debug.*` methods
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* Better typechecking for `Instance:IsA`.
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## Performance improvements
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* Significantly optimized non-variadic function calls, improving performance by up to 10% on call-heavy benchmarks
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* Optimized `coroutine.resume` (a 10% speed-up in benchmarks)
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## Library changes
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* Added the `debug.info` function which allows retrieving information about stack frames or functions; similarly to `debug.getinfo` from Lua, this accepts an options string that must consist of characters `slnfa`; unlike Lua that returns a table, the function returns all requested values one after another to improve performance.
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## New logo
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Luau now has a shiny new logo!
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## Coming soon...
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* Better treatment of cyclic requires
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* [Anything else?]
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