Added indexed function

levelhandler.lua

@@ -6,7 +6,7 @@ require 'makegrid'
 ---@field current integer
 LevelHandler = {
     levels = {
-        'test3', 'test2', 'test'
+        'test2', 'test', 'test3'
     },
     current = 1,
 }
@@ -18,13 +18,22 @@ function LevelHandler:next()
     if self.current > #self.levels then
         self.current = 1
     end
-    local levelPath = string.format('levels/%s', self.levels[self.current])
+    local levelPath = 'levels/' .. self.levels[self.current]
     return MakeGrid( require( levelPath ) )
 end
 
 -- Returns first level
 ---@return Grid
 function LevelHandler:first()
-    local levelPath = string.format('levels/%s', self.levels[1])
+    local levelPath = 'levels/' .. self.levels[1]
+    return MakeGrid( require( levelPath ) )
+end
+
+-- Returns level by its index in table
+---@param i number
+---@return Grid
+function LevelHandler:indexed(i)
+    self.current = i
+    local levelPath = 'levels/' .. self.levels[self.current]
     return MakeGrid( require( levelPath ) )
 end