Module:Flag and Module:Flag/sandbox: Difference between pages

Content deleted Content added

@@ Line 136: / Line 136: @@
 p['IOC athlete'] = p.IOCathlete
-return setmetatable (p, {['__index'] =											-- returns table p with the metatable __index set so that, if the table KEY isn't recognized, it returns
+local function index (_, key)													-- This function gets called by the metatable as index(table, key)
-	function (_, key)															-- this anonymous function called as function(p, KEY)
+	return function (frame) return _main(frame, 'Flag', 'unc', key) end			-- Interpret it as {{flag|key}} as pass to _main()
+end
-		return function (frame) return _main(frame, 'Flag', 'unc', key) end		-- which interprets the module call as {{flag|KEY}} and passes it to _main()
-	end
+local metatable = {['__index'] = index}											-- Set __index, which is returned if table[key] is nil, to the index function
-})
+setmetatable (p, metatable)														-- Assign the metatable to the returned table
+return p