public void Push(Card card, PilePosition position)
{
if (CardsInPile.Contains(card, CardByRefEqualityComparer.Instance))
{
throw new ArgumentException("Given card instance already in pile", nameof(card));
}
position.Push(this, card);
}
public void Push(IReadOnlyCollection <Card> cards, PilePosition position)
{
if (!cards.AllUnique(x => x, CardByRefEqualityComparer.Instance))
{
throw new ArgumentException("Duplicate instances in given cards", nameof(cards));
}
if (CardsInPile.Intersect(cards, CardByRefEqualityComparer.Instance).Any())
{
throw new ArgumentException("One of given cards instance already in pile", nameof(cards));
}
position.Push(this, cards);
}