a === b -> identical(a, b)

samples/swarm/swarm_ui_lib/view/view.dart

Index: samples/swarm/swarm_ui_lib/view/view.dart
diff --git a/samples/swarm/swarm_ui_lib/view/view.dart b/samples/swarm/swarm_ui_lib/view/view.dart
index a5996998c9073074135f3c33c733b2af900a488f..31d0a99f0cdb45c81c3cf0e493f96f1234701e62 100644
--- a/samples/swarm/swarm_ui_lib/view/view.dart
+++ b/samples/swarm/swarm_ui_lib/view/view.dart
@@ -56,7 +56,7 @@ class View implements Positionable {
   // it.
   Element get node {
     // Lazy render.
-    if (_node === null) {
+    if (_node == null) {
       _render();
     }
 
@@ -102,7 +102,7 @@ class View implements Positionable {
 
   /** Gets whether this View has already been rendered or not. */
   bool get isRendered {
-    return _node !== null;
+    return _node != null;
   }
 
   /**
@@ -110,7 +110,7 @@ class View implements Positionable {
    * document or not.
    */
   bool get isInDocument {
-    return _node !== null && node.document.body.contains(node);
+    return _node != null && node.document.body.contains(node);
   }
 
   /**