cancelAt method

Future<bool> cancelAt(
  1. int index
)

Unsubscribe to a StreamSubscription with a specified index and remove it from list

For example:

subxList.cancelAt(0);

Implementation

Future<bool> cancelAt(int index) async {
  if (index <= length - 1) {
    final subscription = _subscriptionList.removeAt(index);
    await subscription.cancel();

    return true;
  }

  return false;
}