method missing

hook_tb.lua

hook_tb = {}

local function hook_index(o, key)
	print("get", key)

	if type(o["data"][key]) ~= "table" then 
		return o["data"][key]
	else
		local tb = hook_tb:create()
		tb["data"] = o["data"][key]

		return tb
	end
end

local function hook_newindex(o, key, value)
	print("set", key, value)
	o["data"][key] = value
end


function hook_tb:create()
	print("create tb")

	local tb = {}
	tb["data"] = {}
	setmetatable(tb,{__index = hook_index,__newindex = hook_newindex })
	return tb

end


t = hook_tb:create()
print(t.hello) 
t.hello = 1
t.hello = {1,2,3}

print(t.hello[1])

local st = t.hello


print(st[1])