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update to address feedback

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Lily Brown 2021-12-01 17:13:34 -08:00
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docs/_posts/2021-11-29-luau-recap-november-2021.md
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@ -70,7 +70,7 @@ See [the RFC for these functions](https://github.com/Roblox/luau/blob/f86d4c6995
## Type checking improvements
We have enabled a rewrite of how Luau handles require tracing. This has two main effects: firstly, in strict mode, requires that Luau can't resolve will trigger type errors; secondly, Luau now understands the `FindFirstAncestor` method in require expressions.
We have enabled a rewrite of how Luau handles `require` tracing. This has two main effects: firstly, in strict mode, `require` statements that Luau can't resolve will trigger type errors; secondly, Luau now understands the `FindFirstAncestor` method in `require` expressions.
Luau now warns when the index to `table.move` is 0, as this is non-idiomatic and performs poorly. If this behavior is intentional, wrap the index in parentheses to suppress the warning.
@ -82,7 +82,7 @@ We have enabled several changes that aim to avoid allocating a new closure objec
When checking union types, we now try possibilities whose synthetic names match. This will speed up type checking unions in cases where synthetic names are populated.
We have also enabled an optimization that shares state in a hot path on the type checker. This will improve type checking performance, and also prevent some
We have also enabled an optimization that shares state in a hot path on the type checker. This will improve type checking performance.
The Luau VM now attempts to cache the length of tables' array portion. This change showed a small performance improvement in benchmarks, and should speed up `#` expressions.