public override Maybe <Hand> IsMatch(IEnumerable <Card> cards)
{
ThrowIfDuplicate(cards);
if (cards.Count() == 0)
{
return(Maybe <Hand> .None);
}
List <Card> highCards = HandHelper.GetHighCards(cards);
return(CreateCopy <Hand>(highCards));
}
public override Maybe <Hand> IsMatch(IEnumerable <Card> cards)
{
ThrowIfDuplicate(cards);
if (cards.Count() < 2)
{
return(Maybe <Hand> .None);
}
List <Card> pair = HandHelper.GetOfAKind(cards, 2);
if (pair.Count != 2)
{
return(Maybe <Hand> .None);
}
List <Card> highCards = HandHelper.GetHighCards(cards, pair);
List <Card> finalCards = new List <Card>(pair);
finalCards.AddRange(highCards);
return(CreateCopy <Hand>(finalCards));
}
public override Maybe <Hand> IsMatch(IEnumerable <Card> cards)
{
ThrowIfDuplicate(cards);
if (cards.Count() < 5)
{
return(Maybe <Hand> .None);
}
List <Card> fourOfAKind = HandHelper.GetOfAKind(cards, 4);
if (fourOfAKind.Count != 4)
{
return(Maybe <Hand> .None);
}
List <Card> highCards = HandHelper.GetHighCards(cards, fourOfAKind);
List <Card> finalCards = new List <Card>(fourOfAKind);
finalCards.Add(highCards.First());
return(CreateCopy <Hand>(finalCards));
}
public override Maybe <Hand> IsMatch(IEnumerable <Card> cards)
{
ThrowIfDuplicate(cards);
if (cards.Count() < 5)
{
return(Maybe <Hand> .None);
}
List <Card> threeOfAKind = HandHelper.GetOfAKind(cards, 3);
if (threeOfAKind.Count != 3)
{
return(Maybe <Hand> .None);
}
List <Card> highCards = HandHelper.GetHighCards(cards, threeOfAKind);
List <Card> finalCards = new List <Card>(threeOfAKind);
finalCards.AddRange(highCards);
return(CreateCopy <Hand>(finalCards));
}