Could I have a __newindex function in a metatable that can also lead to a table being indexed?

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#1

What the title says. I want to be able to do something like this:

__newindex = function(t, i, v)
	if i == "lorem" then
		--ipsum
	else
		return table
	end
end

where I can have both a function and an alternate table to be indexed.

#3

I was trying to fix this issue, and I (partially) figured it out.

tinst = Instance
Instance = {
	new = function(classname)
		local tobj = tinst.new(classname)
		local obj = setmetatable({
			-- custom functions here
		}, {
			__index = tobj,
			__newindex = function(t, i, v)
				if i == "Parent" then
					if typeof(v) == "table" then
						tobj[i] = getmetatable(v).__index
					else
						tobj[i] = v
					end
				else
					tobj[i] = v
				end
			end
		})
		
		return obj
	end
}


local Part = Instance.new("Part")
Part.Parent = workspace
Part.Name = "Okay"

local Rekt = Instance.new("Camera")
Rekt.Parent = game.Lighting
Part.Parent = Rekt
2 Likes
#4

Yes that’s alright. For the parent condition, you can condense that to:

if i == 'Parent' and typeof(v) == 'table' then
    tobj[i] = getmetatable(v).__index
else
    tobj[i] = v
end
1 Like
#5

Yes, that is recommended as the “and” operator will do the same as what he is trying to achieve. Also he marked his own post as a solution lol. :sad: