From 3c0b41dff8564a4edd4b2411182009acfa8de5c7 Mon Sep 17 00:00:00 2001
From: Luis Burgos <luisarturo.burgos@gmail.com>
Date: Tue, 2 Aug 2022 22:07:13 -0500
Subject: [PATCH] fix: allow generic types on event handlers

---
 lib/kinds/app_events.dart | 5 +++--
 lib/kinds/commands.dart   | 4 ++--
 lib/kinds/ui_events.dart  | 2 +-
 3 files changed, 6 insertions(+), 5 deletions(-)

diff --git a/lib/kinds/app_events.dart b/lib/kinds/app_events.dart
index 8314a65..2b28e39 100644
--- a/lib/kinds/app_events.dart
+++ b/lib/kinds/app_events.dart
@@ -3,6 +3,7 @@ import '../infra/typed_event_handler.dart';
 
 abstract class AppEvent {}
 
-abstract class AppEventHandler extends TypedEventHandler<AppEvent> {}
+abstract class AppEventHandler<A extends AppEvent>
+    extends TypedEventHandler<A> {}
 
-class AppEventBus extends TypedEventBus<AppEvent> {}
+class AppEventBus<A extends AppEvent> extends TypedEventBus<A> {}
diff --git a/lib/kinds/commands.dart b/lib/kinds/commands.dart
index 0671b9c..a156b65 100644
--- a/lib/kinds/commands.dart
+++ b/lib/kinds/commands.dart
@@ -3,6 +3,6 @@ import '../infra/typed_event_handler.dart';
 
 abstract class Command {}
 
-abstract class CommandHandler extends TypedEventHandler<Command> {}
+abstract class CommandHandler<C extends Command> extends TypedEventHandler<C> {}
 
-class CommandEventBus extends TypedEventBus<Command> {}
+class CommandEventBus<C extends Command> extends TypedEventBus<C> {}
diff --git a/lib/kinds/ui_events.dart b/lib/kinds/ui_events.dart
index ff48956..170d632 100644
--- a/lib/kinds/ui_events.dart
+++ b/lib/kinds/ui_events.dart
@@ -3,7 +3,7 @@ import '../infra/typed_event_handler.dart';
 
 abstract class UiEvent {}
 
-abstract class UIEventHandler extends TypedEventHandler<UiEvent> {}
+abstract class UiEventHandler<U extends UiEvent> extends TypedEventHandler<U> {}
 
 class UiEventBus extends TypedEventBus<UiEvent> {}