1 files changed, 26 insertions, 0 deletions
diff --git a/src/02-enum/enum.lua b/src/02-enum/enum.lua
new file mode 100644
index 0000000..9c64c1f
--- /dev/null
+++ b/src/02-enum/enum.lua
@@ -0,0 +1,26 @@
+local function makeEnum(enumtable)
+	if enumtable == nil or type(enumtable) ~= "table" then 
+		return nil
+	end 
+	enumtable.__index = enumtable 
+	enumtable.__newindex = function() 
+		print("can not modify enum")
+	end 
+	local e = {}
+	setmetatable(e, enumtable)
+	return e
+end
+
+local function main() 
+	local mode = makeEnum({
+		SinglePlayer = 1, 
+		TwoPlayers= 2,
+		ThreePlayers= 3, 
+		FourPlayers= 4,
+		PVCom= 5,
+	})
+	mode.SinglePlayer = 2
+	print(mode.SinglePlayer)
+end 
+
+main()
+\ No newline at end of file