new switch statement for Enums like Rust

src/shared/Enum.lua

@@ -0,0 +1,88 @@
+--!optimize 2
+--!native
+--!strict
+
+type EnumValue = any
+type EnumName = string
+type Enums = {[EnumName]: EnumValue}
+type EnumsMetadata = {
+	__index: (self: EnumsMetadata, i: EnumName) -> EnumValue?,
+	__newindex: (self: EnumsMetadata, i: EnumName, v: EnumValue) -> ()
+}
+
+export type CustomEnums = {
+	Enums: typeof(setmetatable({} :: Enums, {} :: EnumsMetadata))
+} & CustonEnumsFunctions
+
+type CustonEnumsFunctions = {
+	Create: <T>(Name: EnumName, EnumValue: T) -> T,
+	Remove: (Name: EnumName) -> ()
+}
+
+--type MatchList = {
+--	[EnumValue]
+--}
+
+local CustomEnum = {} :: CustomEnums
+local EnumMeta = {} :: EnumsMetadata
+
+function EnumMeta.__index(self, i)
+	local get = rawget(self, i)
+	if type(i) == "string" then
+		return get
+	end
+	warn(`Enum: attempt to retrieve an unknown Enum "{i}".`, debug.traceback())
+	return nil
+end
+
+function EnumMeta.__newindex(self, i, v)
+	local PossibleEnum = rawget(self, i)
+	if not PossibleEnum then
+		if type(i) == "string" then
+			rawset(self, i, v)
+		else
+			error(`Enum: attempt to set an Enum but the requested name was not a string "{i}", type="{type(i)}".`, 2)
+		end
+	else
+		error(`Enum: attempt to set an Enum but the name "{i}" is already registered.`, 2)
+	end
+end
+
+CustomEnum.Enums = setmetatable({}, EnumMeta)
+
+local function EnumMethods(Enum)
+	function Enum:Match(Result: string, MatchList) --Branch this out later
+		local Return: any? = nil
+		local b: boolean = false
+
+		for MatchEnumName, EnumFunc in MatchList do
+			if MatchEnumName == Result then
+				Return = EnumFunc()
+				break
+			end
+		end
+		if not Return and MatchList["_"] then
+			Return = MatchList["_"]()
+		end
+		return Return
+	end
+end
+
+function CustomEnum.Create(Name, EnumValue)
+	CustomEnum.Enums[Name] = EnumValue
+
+	local Enum = CustomEnum.Enums[Name]
+	EnumMethods(Enum)
+
+	return Enum
+end
+
+function CustomEnum.Remove(Name)
+	if CustomEnum.Enums[Name] then
+		CustomEnum.Enums[Name] = nil
+	else
+		warn(`Enum: attempt to remove an Enum that does not exist "{Name}".`, debug.traceback())
+	end
+end
+
+return CustomEnum

src/shared/Tags.lua

@@ -42,7 +42,7 @@ end
 function Tags:Nuke()
 	local Exports = self.Exports
 
-	for i,v in Exports do
+	for i: string, v: Instance | {Instance} in Exports do
 		if type(v) == "table" then
 			for n: number = 1, #v do
 				CS:RemoveTag(v[n], i)