Refactored to use strictly locals

frontend/ui/widget/rectspan.lua

@@ -0,0 +1,15 @@
+local Widget = require("ui/widget/widget")
+
+--[[
+Dummy Widget that reserves vertical and horizontal space
+]]
+local RectSpan = Widget:new{
+	width = 0,
+	hright = 0,
+}
+
+function RectSpan:getSize()
+	return {w = self.width, h = self.height}
+end
+
+return RectSpan