first commit

siro_rider/packages/get_storage/lib/src/value.dart

@@ -0,0 +1,28 @@
+import 'package:flutter/widgets.dart';
+import 'package:get/state_manager.dart';
+
+class ValueStorage<T> {
+  ValueStorage(T value) : this._value = Value(value);
+
+  final Value _value;
+
+  Map<String, dynamic> changes = <String, dynamic>{};
+
+  void changeValue(String key, dynamic value) {
+    changes = {key: value};
+    // ignore: invalid_use_of_protected_member
+    _value.refresh();
+  }
+
+  T get value => _value.value;
+
+  set value(T value) {
+    _value.value = value;
+  }
+
+  VoidCallback addListener(VoidCallback callback) {
+    _value.addListener(callback);
+
+    return () => _value.removeListener(callback);
+  }
+}