Class Member as an Array

[nathan10]

Is it possible to have an array as a class member? It is part of my Wumpus Hunt exercise.

I want to do the following:

class Room {
   blah blah;
};

int main() {

for (i = 0; i < 3; i++) {
   Room adjacent[i];
      blah blah;
}

My compiler is not letting me do that. It warns that the variable must be constant.

Thanks in advance.

[quirkyusername]

you can store a pointer in your class eg

 Class A{
private:
        int* p;
public:
        A();
        ~A();
};

and initialise it in the classes constructor

A::A()
{
        p = new int[10];
}

[Zaita]

Please note; doing what quirky has supplied you will also need to delete the memory allocated with new during the objects destructor.

[nathan10]

@ Quirky,

I don't follow how I would use the pointer in the main() section.

[Zaita]

class Room {
public:
 Room() { array = new int[10]; }
 ~Room() { delete [] array; }
 int *array;
}

int main() {
 Room myRoom;

 myRoom.array[0] = 4;

 return 0;
}

This isn't a very nice way to do it though. I'd recommend you look at using a std::vector instead. This example also breaks good OO convention by not encapsulating access to the pointer.

[Duthomhas]

You have not given us the exact code or error messages, leading everyone to respond on the wrong trail.

I think that are you are trying to do something that requires a const value, but your class is not const-correct, causing your compiler to complain about the lack of constness.

Can you post more exacting information?

[nathan10]

Continued in the thread titled Wumpus Hunt 2.