build method
Build the widget underneath this widget in the tree
Implementation
@override
Widget build(BuildContext context) => CupertinoSlider(
value: value(),
onChanged: enabled() ? (v) => value.value = v : null,
onChangeStart: onChangeStart,
onChangeEnd: onChangeEnd,
min: min,
max: max,
divisions: divisions,
activeColor: activeColor,
thumbColor: thumbColor,
);