getNthInRelationToXById<T2> method

T? getNthInRelationToXById<T2>(
  1. T2 getId(
    1. T item
    ),
  2. T2 id,
  3. int nth
)

Implementation

T? getNthInRelationToXById<T2>(T2 Function(T item) getId, T2 id, int nth) {
  var item = firstWhere((element) => getId(element) == id);
  return getNthInRelationToXByItem(item, nth);
}