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Added discussion of array-like tables

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ajeffrey@roblox.com 2022-01-05 12:00:46 -06:00
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8
rfcs/unsealed-table-literals.md
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@ -61,8 +61,16 @@ if foo then
end end
``` ```
In particular, we no longer warn about adding properties to array-like tables.
```lua
local a = {1,2,3}
a.p = 5
```
## Alternatives ## Alternatives
We could introduce a new table state for unsealed-but-precise We could introduce a new table state for unsealed-but-precise
tables. The trade-off is that that would be more precise, at the cost tables. The trade-off is that that would be more precise, at the cost
of adding user-visible complexity to the type system. of adding user-visible complexity to the type system.
We could contine to treat array-like tables as sealed.