From d6358e97f04063a4b73b9a3f3fa56b4d9b02a0a8 Mon Sep 17 00:00:00 2001
From: Florian Fischer <florian.fischer@muhq.space>
Date: Wed, 8 Feb 2023 12:01:58 +0100
Subject: add Contains check for PileOfCards

---
 go/game/pileOfCards.go | 9 +++++++++
 1 file changed, 9 insertions(+)

diff --git a/go/game/pileOfCards.go b/go/game/pileOfCards.go
index c8b81c87..427bba47 100644
--- a/go/game/pileOfCards.go
+++ b/go/game/pileOfCards.go
@@ -1,8 +1,13 @@
 package game
 
+import (
+	"golang.org/x/exp/slices"
+)
+
 type PileOfCards interface {
 	Size() int
 	IsEmpty() bool
+	Contains(*Card) bool
 	Cards() []*Card
 	AddCards(cards []*Card)
 	AddCard(card *Card)
@@ -27,6 +32,10 @@ func (poc *PileOfCardsBase) IsEmpty() bool {
 	return poc.Size() == 0
 }
 
+func (poc *PileOfCardsBase) Contains(card *Card) bool {
+	return slices.Contains(poc.cards, card)
+}
+
 func (poc *PileOfCardsBase) Cards() []*Card {
 	return poc.cards
 }
-- 
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