TryGetValue instead of ContainsKey and Get (neo-project#31)

Li-Tian · Feb 27, 2018 · b1338d4 · b1338d4
1 parent 80ea35d
commit b1338d4
Showing 1 changed file with 2 additions and 2 deletions.
diff --git a/src/neo-vm/InteropService.cs b/src/neo-vm/InteropService.cs
@@ -22,8 +22,8 @@ protected void Register(string method, Func<ExecutionEngine, bool> handler)
 
         internal bool Invoke(string method, ExecutionEngine engine)
         {
-            if (!dictionary.ContainsKey(method)) return false;
-            return dictionary[method](engine);
+            if (!dictionary.TryGetValue(method, out Func<ExecutionEngine, bool> func)) return false;
+            return func(engine);
         }
 
         private static bool GetScriptContainer(ExecutionEngine engine)