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revise w/ suggestions

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Lily Brown 2021-12-02 10:05:02 -08:00
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docs/_posts/2021-11-29-luau-recap-november-2021.md
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@ -21,7 +21,18 @@ type Fn<P..., R...> = (P...) -> R...
type X = Fn<(number, string), (string, number)>
```
For more information, check out [the RFC for this feature](https://github.com/Roblox/luau/blob/f86d4c6995418e489a55be0100159009492778ff/rfcs/syntax-type-alias-type-packs.md).
For more information, check out [the documentation](https://luau-lang.org/typecheck#type-packs) or [the RFC](https://github.com/Roblox/luau/blob/f86d4c6995418e489a55be0100159009492778ff/rfcs/syntax-type-alias-type-packs.md) for this feature.
## Luau is open-source!
We announced this in early November but it deserves repeating: Luau is now an open-source project! You can use Luau outside of Roblox, subject to MIT License, and - importantly - we accept contributions.
Many changes contributed by community, both Roblox and external, have been merged since we've made Luau open source. Of note are two visible changes that shipped on Roblox platform:
- The type error "Expected to return X values, but Y values are returned here" actually had X and Y swapped! This is now fixed.
- Luau compiler dutifully computed the length of the string when using `#` operator on a string literal; this is now fixed and `#"foo"` compiles to 3.
You might think that C++ is a scary language and you can't contribute to Luau. If so, you'd be happy to know that the contents of https://luau-lang.org, where we host our documentation, is also hosted on GitHub in the same repository (https://github.com/Roblox/luau/tree/master/docs) and that we'd love the community to contribute improvements to documentation among other changes! For example see [issues in this list](https://github.com/Roblox/luau/issues?q=is%3Aissue+is%3Aopen+label%3A%22pr+welcome%22) that start with "Documentation", but all other changes and additions to documentation are also welcome.
## Library improvements