- Solution

// templatesCRTPShareMe.cpp
#include <iostream>
#include <memory>
class ShareMe: public std::enable_shared_from_this<ShareMe>{
public:
  std::shared_ptr<ShareMe> getShared(){
    return shared_from_this();
  }
};
int main(){
  std::cout << std::endl;
  // share the same ShareMe object
  std::shared_ptr<ShareMe> shareMe(new ShareMe);
  std::shared_ptr<ShareMe> shareMe1= shareMe->getShared();
  // both resources have the same address
  std::cout << "Address of resource of shareMe "<< (void*)shareMe.get() << " " << std::endl;
  std::cout << "Address of resource of shareMe1 "<< (void*)shareMe1.get() << " " << std::endl;
  // the use_count is 2
  std::cout << "shareMe.use_count(): "<< shareMe.use_count() << std::endl;
  std::cout << std::endl;
}