Exploring recursive implementation from for loop

RecentTransaction Recursive

  /// Loop through RecentTransaction to perform specific function
  void searchTransaction(Transaction transaction, void Function(int i, int j) function) {
    for (var i = 0; i < recentTransactions!.dailyTransactions!.length; i++) {
      DailyTransaction dailyTransaction = recentTransactions!.dailyTransactions![i];
      for (var j = 0; j < dailyTransaction.transactions!.length; j++) {
        Transaction trx = dailyTransaction.transactions![j];
        if (trx.id == transaction.id) {
          function(i, j);
        }
      }
    }
  }
  
  /// Recursive through DailyTransaction to find and perform function
  void findIndex(int id, List<DailyTransaction> daily, void Function(int i, int y) function, {int i = 0, int y = 0}) {
    if (id == daily[i].transactions![y].id) {
      function(i, y);
    } else if (y + 1 == daily[i].transactions!.length) {
      if (i + 1 < daily.length) {
        findIndex(id, daily, (i, y) => function(i, y), i: i + 1, y: 0);
      }
    } else {
      findIndex(id, daily, (i, y) => function(i, y), i: i, y: y + 1);
    }
  }