From 2790dcbf0d9a9822a8e18a9246efd87b59032959 Mon Sep 17 00:00:00 2001
From: adelikat <adelikat@tasvideos.org>
Date: Thu, 2 Jul 2015 14:29:19 -0400
Subject: [PATCH] lua - implement userdata.containskey()

---
 BizHawk.Client.Common/lua/EmuLuaLibrary.UserData.cs | 9 +++++++++
 1 file changed, 9 insertions(+)

diff --git a/BizHawk.Client.Common/lua/EmuLuaLibrary.UserData.cs b/BizHawk.Client.Common/lua/EmuLuaLibrary.UserData.cs
index f496134588..4d58ab6424 100644
--- a/BizHawk.Client.Common/lua/EmuLuaLibrary.UserData.cs
+++ b/BizHawk.Client.Common/lua/EmuLuaLibrary.UserData.cs
@@ -61,5 +61,14 @@ namespace BizHawk.Client.EmuHawk
 		{
 			return Global.UserBag.Remove(key);
 		}
+
+		[LuaMethodAttributes(
+			"containskey",
+			"returns whether or not there is an entry for the given key"
+		)]
+		public bool ContainsKey(string key)
+		{
+			return Global.UserBag.ContainsKey(key);
+		}
 	}
 }