重新导入obi

Assets/Obi/Scripts/Common/Backends/Null/NullBackend.cs

@@ -0,0 +1,16 @@
+namespace Obi
+{
+    public class NullBackend : IObiBackend
+    {
+        #region Solver
+        public ISolverImpl CreateSolver(ObiSolver solver, int capacity)
+        {
+            return new NullSolverImpl();
+        }
+        public void DestroySolver(ISolverImpl solver)
+        {
+        }
+        #endregion
+
+    }
+}