seperatedWidget method
result builder for list
Implementation
List<Widget> seperatedWidget(
Widget Function(BuildContext context, int index) builder) {
final newList = <Widget>[];
for (var i = 0; i < length; i++) {
if (i == 0) {
newList.add(this[i]);
} else {
newList.add(builder(Grock.context, i));
newList.add(this[i]);
}
}
return newList;
}