learn_cpp/smart_ptr.cpp at main · wamousy/learn_cpp · GitHub

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#include <iostream>
#include <string>
#include <memory>

class Entity
{
public:
    Entity()
    {
        std::cout << "Created Entity!" << std::endl;
    }

    ~Entity()
    {
        std::cout << "Destroyed Entity!" << std::endl;
    }

    void Print() {}
};

int main()
{
    {
         //std::shared_ptr<Entity> e ;
          std::weak_ptr<Entity> e;
        {
            //std::unique_ptr<Entity> entity (new Entity());
            // std::unique_ptr<Entity> entity = std::make_unique<Entity>();
            std::shared_ptr<Entity> entity = std::make_shared<Entity>();
            e = entity;
            entity->Print();
        }
    }
    std::cin.get();
}