Update library.md

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Arseny Kapoulkine 2022-03-14 10:30:49 -07:00 committed by GitHub
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@ -128,7 +128,7 @@ Returns the type of the object, which is one of `"nil"`, `"boolean"`, `"number"`
function typeof(obj: any): string
```
Returns the type of the object; for userdata objects that have a metatable with the `__type` field *and* are defined by the host with an internal tag, returns the value for that key.
Returns the type of the object; for userdata objects that have a metatable with the `__type` field *and* are defined by the host (not `newproxy`), returns the value for that key.
For custom userdata objects, such as ones returned by `newproxy`, this function returns `"userdata"` to make sure host-defined types can not be spoofed.
```