--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/Jint.Runtime/VM/Box.cs	Wed Oct 23 13:24:57 2013 +0400
@@ -0,0 +1,56 @@
+using System;
+
+namespace Jint.Runtime.VM
+{
+	public class Box<T>: BoxBase, IGetter<T>, ISetter<T>
+	{
+		T m_value;
+		IBinder<T> m_binder;
+
+		public Box(T value,IBinder<T> binder) {
+			m_value = value;
+			m_binder = binder;
+		}
+
+		public override bool IsReference {
+			get {
+				return true;
+			}
+		}
+
+        public override Type HoldingType
+        {
+            get { return typeof(T); }
+        }
+
+		#region IGetter implementation
+
+		public T Get ()
+		{
+			return m_value;
+		}
+
+		#endregion
+
+		#region ISetter implementation
+
+		public void Set (T value)
+		{
+			m_value = value;
+		}
+
+		#endregion
+
+		public override T2 Convert<T2> ()
+		{
+			if (m_binder == null)
+				throw new ArgumentNullException ();
+			return m_binder.Convert<T2> (m_value);
+		}
+
+		public override void Invoke(IBinaryOperation op, BoxBase arg2,Frame frame) {
+			op.Invoke (m_value, ((IGetter<T>)arg2).Get (), m_binder, frame);
+		}
+	}
+}
+