Deck 2 - Deck Create

main.dart

class Card {
  Card(this.suit, this.rank);

  final String suit;
  final int rank;

  final Map<int, String> rankNames = {
    11: 'Jack',
    12: 'Queen',
    13: 'King',
    1: 'Ace',
  };

  String get rankName => rankNames[rank] ?? '$rank';

  String get suitSymbol => suitSymbols[suit];

  @override
  String toString() {
    return '$rankName of $suitSymbol';
  }
}

final Map<String, String> suitSymbols = {
  'd': 'Diamonds',
  'h': 'Hearts',
  's': 'Spades',
  'c': 'Clubs'
};

class Deck {
  List<Card> cards = <Card>[];
  
  Deck() {
    final List<String> suits = suitSymbols.keys.toList();

    suits.forEach((String suit) {
      for (int rank = 1; rank <= 13; rank++) {
        cards.add(Card(suit, rank));
      }
    });
  }
 
  @override
  String toString() {
    return cards.map((Card card) => card).join(', ');
  }
}

void main() {
  final Deck newDeck = Deck();
  
  print(newDeck);
}