value method

int value(
  1. String ticker
)

Implementation

int value(String ticker) {
  var confirmedCollected = confirmed.map((key, value) =>
      key == ticker ? MapEntry(ticker, value) : MapEntry(ticker, 0));
  var unconfirmedCollected = unconfirmed.map((key, value) =>
      key == ticker ? MapEntry(ticker, value) : MapEntry(ticker, 0));
  return (confirmedCollected.values.fold(
          0, (previousValue, value) => previousValue ?? 0 + value) as int) +
      (unconfirmedCollected.values.fold(
          0, (previousValue, value) => previousValue ?? 0 + value) as int);
}