add readonly

zhuxingwei · zhuxingwei · commit 2ac2cac19e09 · 2019-05-09T18:34:11.000+08:00
diff --git a/Runtime/gestures/mouse_tracking.cs b/Runtime/gestures/mouse_tracking.cs
@@ -56,7 +56,7 @@ public MouseTracker(
             this.annotationFinder = annotationFinder;
         }
         
-        Dictionary<int, PointerEvent> _lastMouseEvent = new Dictionary<int, PointerEvent>();
+        readonly Dictionary<int, PointerEvent> _lastMouseEvent = new Dictionary<int, PointerEvent>();
 
         public bool mouseIsConnected {
             get { return this._lastMouseEvent.isNotEmpty(); }

Original file line number	Diff line number	Diff line change
`@@ -56,7 +56,7 @@ public MouseTracker(`
`56`	`56`	`this.annotationFinder = annotationFinder;`
`57`	`57`	`}`
`58`	`58`
`59`		`- Dictionary<int, PointerEvent> _lastMouseEvent = new Dictionary<int, PointerEvent>();`
	`59`	`+ readonly Dictionary<int, PointerEvent> _lastMouseEvent = new Dictionary<int, PointerEvent>();`
`60`	`60`
`61`	`61`	`public bool mouseIsConnected {`
`62`	`62`	`get { return this._lastMouseEvent.isNotEmpty(); }`