Handle constructor

const Handle({
  1. Key? key,
  2. required Offset offset,
  3. required dynamic update(
    1. DragUpdateDetails,
    2. dynamic (
      1. Offset
      )
    ),
  4. required dynamic setter(
    1. Offset
    ),
})

Implementation

const Handle({
  Key? key,
  required this.offset,
  required this.update,
  required this.setter,
}) : super(key: key);