opt. & new: icons

lib/view/widget/val_builder.dart

@@ -0,0 +1,35 @@
+import 'package:flutter/foundation.dart';
+import 'package:flutter/material.dart';
+
+final class ValBuilder<T> extends ValueListenableBuilder<T> {
+  ValBuilder({
+    super.key,
+    required ValueListenable<T> listenable,
+    required Widget Function(T) builder,
+  }) : super(
+          valueListenable: listenable,
+          builder: (_, val, __) => builder(val),
+        );
+}
+
+final class ValChildBuilder<T> extends ValueListenableBuilder<T> {
+  ValChildBuilder({
+    super.key,
+    required ValueListenable<T> listenable,
+    required Widget Function(T, Widget?) builder,
+    super.child,
+  }) : super(
+          valueListenable: listenable,
+          builder: (_, val, child) => builder(val, child),
+        );
+}
+
+final class ListenBuilder extends ListenableBuilder {
+  ListenBuilder({
+    super.key,
+    required super.listenable,
+    required Widget Function() builder,
+  }) : super(
+          builder: (_, __) => builder(),
+        );
+}