smartpointer1

#include <iostream>

using namespace std;

template <typename T>

class SmartPtr{
    T *ptr;
public:
    explicit SmartPtr(T *p=NULL){
        cout<<"Utworzono"<<endl;
        ptr = p;
    }
    ~SmartPtr(){
        cout<<"Usunieto"<<endl;
        delete(ptr);
    }
    T &operator *(){
        return *ptr;
    }
    T *operator ->(){
        return ptr;
    }
};

int main()
{
    SmartPtr <double> ptr(new double());
    *ptr=10.02;
    cout<<*ptr;
    return 0;
}