public override HandEvaluation Evaluate(Hand hand)
{
if (hand.GroupBy(card => card.Rank).Count() == 2 &&
hand.First().Rank != hand.Last().Rank)
{
return(HandEvaluation.FullHouse);
}
else
{
return(_next.Evaluate(hand));
}
}
protected bool HasStraight(Hand hand) => hand.Distinct().Count() == 5 && hand.Last().Rank - hand.First().Rank == 4;
