--- a/src/lib/Utils.luan	Thu Oct 24 21:43:44 2024 -0600
+++ b/src/lib/Utils.luan	Sun Oct 27 20:39:18 2024 -0600
@@ -1,5 +1,8 @@
 local Luan = require "luan:Luan.luan"
 local error = Luan.error
+local type = Luan.type or error()
+local ipairs = Luan.ipairs or error()
+local set_metatable = Luan.set_metatable or error()
 local Http = require "luan:http/Http.luan"
 
 
@@ -10,4 +13,39 @@
 	return request.scheme.."://"..request.headers["Host"]
 end
 
+function Utils.to_list(input)
+	if input == nil then
+		return {}
+	elseif type(input) == "table" then
+		return input
+	else
+		return {input}
+	end
+end
+
+local set_mt = {}
+function set_mt.__index(table,key)
+	return false
+end
+
+local function list_to_set(list)
+	local set = {}
+	for _, v in ipairs(list) do
+		set[v] = true
+	end
+	set_metatable(set,set_mt)
+	return set
+end
+Utils.list_to_set = list_to_set
+
+function Utils.to_set(obj)
+	if obj == nil then
+		return {}
+	elseif type(obj) == "table" then
+		return list_to_set(obj)
+	else
+		return {[obj]=true}
+	end
+end
+
 return Utils