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Add return type

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Qualadore 2023-07-01 17:33:05 +00:00
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rfcs/function-debug-id.md
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@ -12,7 +12,7 @@ When debugging, it is often useful to compare identity. Usually `print` will pri
## Design
`debug.id(value: any)` always returns the identifier unique to that value, and is not possible to override.
`debug.id(value: any): number` always returns the identifier unique to that value, and is not possible to override.
While tables and userdata have individualized metatables, also allowing functions and threads to be passed to `debug.id` would let their type-level `__tostring` be redefined. Strings are useful to accept because of long, similar strings.