C++ Edit code Post: 302766189

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Top Forums Programming C++ Edit code Post 302766189 by Corona688 on Monday 4th of February 2013 10:36:28 AM

02-04-2013

Registered User

I see no point giving a different class to each kind of card when it could just as easily be done using a class variable. Adds so much extra code and complication to a simple problem. But as a teaching example, I suppose:

Code:

enum suit { HEART, CLUB, DIAMOND, SPADE, NONE };

class card
{
public:
        card(const char *_name, int _suit):name(_name), suit(_suit) { }

        const char *Name() { return(name); }
        int Suit() { return(suit); }
        // Has to be virtual if we want it to be overloaded
        virtual bool FaceCard() { return(false); }
private:
        const char *name;
        int suit;
};

class facecard
{
public:
        facecard(const char *_name, int _suit):card(_name,_suit) { }
        // Virtual, so this overloads the one in 'card'
        virtual bool FaceCard() { return(true); }
};

class deck
{
public:
        add(card *c) { cards.push_back(c); }
        card *pick(void) { cards.pop_back(); }
        void shuffle(int shuffled=1250)
        {
          int i, j, x;
          card *temp;
          for (x = 0; x < shuffled ; x++) // A big shuffle
          {
              for (i = 0; i < deck.size(); i++)
              {
                  j=rand() % 52;
                  temp = deck[i];
                  deck[i] = deck[j];
                  deck[j] = temp;
              }
          }
        }
private:
    vector<card *> cards;
};

int main(void)
{
        deck d;
        d.add(new facecard("King", CLUB));
}

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LEARN ABOUT MOJAVE

is

is(n)								    [incr Tcl]								     is(n)

__________________________________________________________________________________________________________________________________________________

NAME

       is - test argument to see if it is a class or an object

SYNOPSIS

       itcl::is option ?arg arg ...?
_________________________________________________________________

DESCRIPTION

       The is command is used to check if the argument given is a class or an object; depending on the option given. If the argument if a class or
       object, then 1 is returned. Otherwise, 0 is returned.  The is command also recognizes the commands wrapped in the itcl code command.

       The option argument determines what action is carried out by the command.  The legal options (which may be abbreviated) are:

       is class command
	      Returns 1 if command is a class, and returns 0 otherwise.

	      The fully qualified name of the class needs to be given as the command argument. So, if a class resides in  a  namespace,  then  the
	      namespace needs to be specified as well. So, if a class C resides in a namespace N, then the command should be called like:
	      is N::C
		  or
	      is ::N::C

       is object ?-class className? command
	      Returns 1 if command is an object, and returns 0 otherwise.

	      If  the  optional "-class" parameter is specified, then the command will be checked within the context of the class given. Note that
	      className has to exist. If not, then an error will be given. So, if className is uncertain to be a class, then the  programmer  will
	      need to check it's existance beforehand, or wrap it in a catch statement.

	      So, if c is an object in the class C, in namespace N then these are the possibilities (all return 1):
	      set obj [N::C c]
	      itcl::is object N::c
	      itcl::is object c
	      itcl::is object $obj
	      itcl::is object [itcl::code c]

KEYWORDS

       class, object

itcl									3.3								     is(n)

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