version

lib/src/Data/AutoList.dart

@@ -74,10 +74,10 @@ class AutoList<T, ST> extends IDestructible with IterableMixin<T> {
   }
 
  
-  T? first(bool Function(T element) selector) {
-    final res = _list.where(selector);
-    return res.isEmpty ? null : res.first;
-  }
+  // T? first(bool Function(T element) selector) {
+  //   final res = _list.where(selector);
+  //   return res.isEmpty ? null : res.first;
+  // }
 
   /// <summary>
   /// Add an array of items to the list

lib/src/Data/KeyList.dart

@@ -79,7 +79,7 @@ class KeyList<KT, T> extends IEventHandler with MapMixin<KT, T> {
   }
 
   T? first(bool Function(T element) selector) {
-    final res = _map.where(selector);
+    final res = _map.values.where(selector);
     return res.isEmpty ? null : res.first;
   }
 

lib/src/Net/INetworkReceiver.dart

@@ -1,6 +1,6 @@
 import 'NetworkBuffer.dart';
 
-abstract class INetworkReceiver<T>
+abstract mixin class INetworkReceiver<T>
 {
     void networkClose(T sender);
     void networkReceive(T sender, NetworkBuffer buffer);

lib/src/Resource/IStore.dart

@@ -31,7 +31,7 @@ import '../Data/PropertyValue.dart';
 // old
 // abstract class IStore extends IResource
 // new
-abstract class IStore implements IResource {
+abstract mixin class IStore implements IResource {
   AsyncReply<IResource?> get(String path);
   // AsyncReply<IResource?> retrieve(int iid);
   AsyncReply<bool> put(IResource resource);

lib/src/Resource/Instance.dart

@@ -45,7 +45,7 @@ class Instance extends IEventHandler {
 
   int _id;
 
-  bool _isDestroyed;
+  bool _isDestroyed = false;
 
   bool get isDestroyed => _isDestroyed;
 
@@ -482,7 +482,7 @@ class Instance extends IEventHandler {
 
         if (pi.parents.count == 0) break;
 
-        p = pi.parents.first;
+        p = pi.parents.firstOrNull!;
       }
 
       return l.join("/");