public Card Pop(PilePosition position)
{
if (IsEmpty)
{
throw new InvalidOperationException("This pile is empty");
}
return(position.Pop(this));
}
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 List <Card> Pop(PilePosition position, int count)
{
if (count <= 0)
{
throw new ArgumentOutOfRangeException(nameof(count));
}
if (IsEmpty)
{
throw new InvalidOperationException("This pile is empty");
}
return(position.Pop(this, count));
}
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);
}