Snapshot of GameState from https://github.com/ChrisMash/SwiftUI-Playing-Cards for my blog

SwiftUICards_GameState.swift

// A representation of the current state of the game,
// including which cards each player has and the deck
// of cards that can be picked up from
class GameState {
    
    private(set) var deck = Hand()
    private(set) var hands = [Hand]()
    
    init() {
        // Fill the deck with 20 cards, shuffled
        for i in 1...20 {
            deck.cards.append(Card(number: i))
        }
        deck.cards.shuffle()
        
        // Setup two hands of cards with one card each from the deck
        for _ in 0..<2 {
            let hand = Hand()
            for _ in 0..<1 {
                guard let card = deck.cards.popLast() else {
                    fatalError("Tried to deal more cards than in the deck")
                }
                
                hand.cards.append(card)
            }
            
            hands.append(hand)
        }
    }
    
}