From: "Andrés Suárez" <ansuga@...>
Date: 2008-06-15T04:01:42+09:00
Subject: Definning "to_s" in a class -  inexpected result

Hi,

I'm trying to obtain the cards of a Deck in a string like
"2s...KsAs2h...Ah2d...Ad2c...Ac". The problem with the folowing code is
that in the end of the string appears "#<Deck:0x2bb5880>". Why? Can I
avoid it?

class Deck

  SUITS = %w{s d h c}
  RANKS = %w{2 3 4 5 6 7 8 9 T J Q K A}

  def initialize
   @cards = []
   SUITS.each{ |s| RANKS.each{ |r| @cards << r+s } }
  end

  def popCard
    @cards.pop
  end

  def to_s
   @cards.map{ |card| print card}
  end

end

d0 = Deck.new
puts d0


Regards,
Andrés
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