Iterating through a vector of pointers

Question

I\'m trying to iterate through a Players hand of cards.

Player.cpp

vector::iterator iter;
    for(iter = current_car         


        

Answer 1

You have to dereference the iterator to access the pointer:

#include <vector>
#include <iostream>

class Card {
public:
  std::string display_card();
};


int main() {
  std::vector<Card*>current_cards;
  std::vector<Card*>::iterator iter, end;
  for(iter = current_cards.begin(), end = current_cards.end() ; iter != end; ++iter) {
    std::cout << (*iter)->display_card() << std::endl;
  }
}

Another observation is the iter++ which you should avoid in profit of ++iter (see https://stackoverflow.com/a/24904/2077394). Depending on the container, you may also want to avoid calling end() each iteration.

(By the way it always help to provide a minimal reproducible example like I just wrote when you ask question.)

Answer 2

De-referencing the iterator by iter-> gives a pointer to an object of type Card, you have to write (*iter)->display_card();

Answer 3

Try this:

cout << (*iter)->display_card() << endl;

The * operator gives you the item referenced by the iterator, which in your case is a pointer. Then you use the -> to dereference that pointer.