Reduce diff

Author: jpnurmi

lib/src/base_spin_box.dart

@@ -70,11 +70,6 @@ mixin SpinBoxMixin<T extends BaseSpinBox> on State<T> {
         decimals: widget.decimals, digits: widget.digits);
   }
 
-  void _stepUp() => controller.value += widget.step;
-  void _stepDown() => controller.value += -widget.step;
-  void _pageStepUp() => controller.value += widget.pageStep;
-  void _pageStepDown() => controller.value -= widget.pageStep;
-
   @override
   void initState() {
     super.initState();
@@ -106,6 +101,12 @@ mixin SpinBoxMixin<T extends BaseSpinBox> on State<T> {
     super.dispose();
   }
 
+  void _stepUp() => controller.value += widget.step;
+  void _stepDown() => controller.value -= widget.step;
+
+  void _pageStepUp() => controller.value += widget.pageStep;
+  void _pageStepDown() => controller.value -= widget.pageStep;
+
   void _handleValueChange() {
     widget.onChanged?.call(_controller.value);
     setState(() => _updateText(_controller.value));