52 lines
976 B
Ruby
52 lines
976 B
Ruby
class Card
|
|
# class constants
|
|
SUITS = %i[ Clubs Hearts Spades Diamonds ]
|
|
PIPS = %i[ 2 3 4 5 6 7 8 9 10 Jack Queen King Ace ]
|
|
|
|
# class variables (private)
|
|
@@suit_value = Hash[ SUITS.each_with_index.to_a ]
|
|
@@pip_value = Hash[ PIPS.each_with_index.to_a ]
|
|
|
|
attr_reader :pip, :suit
|
|
|
|
def initialize(pip,suit)
|
|
@pip = pip
|
|
@suit = suit
|
|
end
|
|
|
|
def to_s
|
|
"#{@pip} #{@suit}"
|
|
end
|
|
|
|
# allow sorting an array of Cards: first by suit, then by value
|
|
def <=>(other)
|
|
(@@suit_value[@suit] <=> @@suit_value[other.suit]).nonzero? or
|
|
@@pip_value[@pip] <=> @@pip_value[other.pip]
|
|
end
|
|
end
|
|
|
|
class Deck
|
|
def initialize
|
|
@deck = Card::SUITS.product(Card::PIPS).map{|suit,pip| Card.new(pip,suit)}
|
|
end
|
|
|
|
def to_s
|
|
@deck.inspect
|
|
end
|
|
|
|
def shuffle!
|
|
@deck.shuffle!
|
|
self
|
|
end
|
|
|
|
def deal(*args)
|
|
@deck.shift(*args)
|
|
end
|
|
end
|
|
|
|
deck = Deck.new.shuffle!
|
|
puts card = deck.deal
|
|
hand = deck.deal(5)
|
|
puts hand.join(", ")
|
|
puts hand.sort.join(", ")
|