@@ -183,12 +183,20 @@
 	local meta = getmetatable(tbl)
 	local nm = {__index = proto or tbl}
 	if meta ~= nil then
 		nm = table.copy(meta)
-		nm[__index] = proto
-		nm[__metatable] = meta
+		nm.__index = proto
+		nm.__metatable = meta
 	end
 	return setmetatable(tbl or {},nm)
+end
+fn.defaults = function(dft, tbl)
+	tbl = tbl or {}
+	local rp = {}
+	for k,v in pairs(dft) do
+		if tbl[k] == nil then rp[k] = v end
+	end
+	return fn.proto(rp, tbl)
 end
 
 fn.case = function(e, c)
 	if type(c[e]) == 'function'