C++ Generic Linked List

Question

For the code below:

#include 
#include 

using namespace std;

class Foo2;
class Foo3;

template 
class Foo1 {
  pub         


        

Answer 1

Despite your assertions to the contrary, the example you've given could be solved with std::list:

std::list list;

list.push_back(new Foo2());
list.push_back(new Foo3());

for (std::iterator it = list.begin(); it != list.end(); ++it)
{
    (*it)->print();
}

Obviously, there's a potential memory leak here...