--- a/core/src/luan/impl/$Luan.java	Fri Apr 01 17:24:44 2016 -0600
+++ b/core/src/luan/impl/$Luan.java	Mon Apr 04 23:26:06 2016 -0600
@@ -40,6 +40,19 @@
 	}
 
 
+	private static List<Settable> listSettable = new ArrayList<Settable>();
+
+	static int addSettable(Settable settable) {
+		int i = listSettable.size();
+		listSettable.add(settable);
+		return i;
+	}
+
+	public static Settable getSettable(int i) {
+		return listSettable.get(i);
+	}
+
+
 	public static Object first(Object obj) {
 		return Luan.first(obj);
 	}
@@ -76,6 +89,10 @@
 		return Luan.checkBoolean(o);
 	}
 
+	public static LuanFunction checkFunction(Object o) throws LuanException {
+		return Luan.checkFunction(o);
+	}
+
 	public static boolean not(Object o) throws LuanException {
 		return !checkBoolean(o);
 	}
@@ -194,4 +211,20 @@
 
 	public static void nop(Object o) {}
 
+
+	public static void set(LuanStateImpl luan,Settable[] vars,Object obj) throws LuanException {
+		if( obj instanceof Object[] ) {
+			Object[] vals = (Object[])obj;
+			for( int i=0; i<vars.length; i++ ) {
+				Object val = i < vals.length ? vals[i] : null;
+				vars[i].set(luan,val);
+			}
+		} else {
+			vars[0].set(luan,obj);
+			for( int i=1; i<vars.length; i++ ) {
+				vars[i].set(luan,null);
+			}
+		}
+	}
+
 }