Prefer initializing formals

analysis_options.yaml

@@ -24,6 +24,7 @@ linter:
     - prefer_final_fields
     - prefer_final_in_for_each
     - prefer_final_locals
+    - prefer_initializing_formals
     - prefer_relative_imports
     - prefer_single_quotes
     - unnecessary_parenthesis

lib/widgets/cursor.dart

@@ -64,11 +64,10 @@ class CursorCont extends ChangeNotifier {
   CursorStyle _style;
 
   CursorCont({
-    required ValueNotifier<bool> show,
+    required this.show,
     required CursorStyle style,
     required TickerProvider tickerProvider,
-  })   : show = show,
-        _style = style,
+  })   : _style = style,
         _blink = ValueNotifier(false),
         color = ValueNotifier(style.color) {
     _blinkOpacityCont =