Betdraw reimplemented (mostly) using the new deck implementation

src/Nadeko.Econ/Deck/DeckExtensions.cs

@@ -0,0 +1,47 @@
+namespace Nadeko.Econ;
+
+public static class DeckExtensions
+{
+    public static string GetEmoji(this RegularSuit suit)
+        => suit switch
+        {
+            RegularSuit.Hearts => "♥️",
+            RegularSuit.Spades => "♠️",
+            RegularSuit.Diamonds => "♦️",
+            _ => "♣️",
+        };
+
+    public static string GetEmoji(this RegularValue value)
+        => value switch
+        {
+            RegularValue.A => "🇦",
+            RegularValue.Two => "2️⃣",
+            RegularValue.Three => "3️⃣",
+            RegularValue.Four => "4️⃣",
+            RegularValue.Five => "5️⃣",
+            RegularValue.Six => "6️⃣",
+            RegularValue.Seven => "7️⃣",
+            RegularValue.Eight => "8️⃣",
+            RegularValue.Nine => "9️⃣",
+            RegularValue.Ten => "🔟",
+            RegularValue.Jack => "🇯",
+            RegularValue.Queen => "🇶",
+            _ => "🇰",
+        };
+
+    public static string GetEmoji(this RegularCard card)
+        => $"{card.Value.GetEmoji()} {card.Suit.GetEmoji()}";
+}
+
+
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+

src/Nadeko.Econ/Deck/NewDeck.cs

@@ -39,13 +39,16 @@ public abstract class NewDeck<TCard, TSuit, TValue>
         return null;
     }
 
+    public virtual TCard? Peek()
+        => _cards.First?.Value;
+
     public virtual void Shuffle()
     {
         var cards = _cards.ToList();
-        cards.Shuffle();
+        var newCards = cards.Shuffle();
         
         _cards.Clear();
-        foreach (var card in cards)
+        foreach (var card in newCards)
             _cards.AddFirst(card);
     }
 }