#include using namespace std; template class clsUniquePointer { private: T* m_ptr; public: clsUniquePointer() { cout << " clsUniquePointer() \n"; m_ptr = new T(); } ~clsUniquePointer() { cout << " ~clsUniquePointer() \n"; delete m_ptr; } T* operator->() { return m_ptr; } clsUniquePointer(const clsUniquePointer& obj) = delete; clsUniquePointer& operator=(const clsUniquePointer& obj) = delete; }; template class clsSharedPointer { private: T* m_ptr; int m_RefCount; public: clsSharedPointer() { cout << " clsSharedPointer() \n"; ++m_RefCount; m_ptr = new T(); } ~clsSharedPointer() { cout << " ~clsSharedPointer() \n"; --m_RefCount; if(m_RefCount==0) delete m_ptr; } T* operator->() { return m_ptr; } clsSharedPointer(clsSharedPointer& obj) { ++obj.m_RefCount; m_RefCount = obj.m_RefCount; cout << " copy clsSharedPointer() \n"; } clsSharedPointer& operator=(clsSharedPointer& obj) { ++obj.m_RefCount; m_RefCount = obj.m_RefCount; cout << " assignment clsSharedPointer() \n"; return *this; } }; class clsTest { public: void display() {cout << "Hi from class method\n";} clsTest() { cout << "Memory allocated\n"; } ~clsTest() { cout << "Memory de-allocated\n"; } }; int main() { { clsUniquePointer obj; obj->display(); //clsUniquePointer obj1; //obj1 = obj;---> This line will not compile } cout << "------------------------------------------\n\n\n\n\n\n"; { clsSharedPointer objS; { clsSharedPointer objS1 = objS; objS1->display(); } objS->display(); } return 0; }

Unique_Shared_Ptr_Implementation