ported from perforce

RobotAndDonkey.Game/Utils/Disposable.cs

@@ -0,0 +1,24 @@
+using System;
+
+namespace RobotAndDonkey.Game.Utils;
+
+public class Disposable : IDisposable
+{
+    public static Disposable Create(Action action)
+    {
+        return new(action);
+    }
+
+    private Disposable(Action action)
+    {
+        m_Action = action;
+    }
+
+    public void Dispose()
+    {
+        m_Action?.Invoke();
+        m_Action = null;
+    }
+
+    private Action? m_Action;
+}