#include #include using namespace std; class myEmp { public: myEmp(char* iName = (char*)"Unknown"); myEmp(const myEmp& obj); myEmp(myEmp&& obj) noexcept; myEmp& operator=(const myEmp& obj); myEmp& operator=(myEmp&& obj) noexcept; void displayWelcome(); void setName(char* iName); ~myEmp(); private: char* m_name; }; myEmp::myEmp(char* iName) { char* tmp = iName; int len = 0; for(;*tmp!='\0';++tmp) { len++; } m_name = new char[len]; strcpy(m_name,iName); cout << "Obj constructed for " << m_name << endl; } myEmp::myEmp(const myEmp& obj) { char* tmp = obj.m_name; int len = 0; for(;*tmp!='\0';++tmp) { len++; } m_name = new char[len]; strcpy(m_name,obj.m_name); cout << "Obj copied from " << m_name << endl; } myEmp& myEmp::operator=(const myEmp& obj) { if(&obj!=this) { delete[] m_name; char* tmp = obj.m_name; int len = 0; for(;*tmp!='\0';++tmp) { len++; } m_name = new char[len]; strcpy(m_name,obj.m_name); cout << "Obj assigned from " << m_name << endl; } return *this; } myEmp::myEmp(myEmp&& obj)noexcept { m_name = obj.m_name; cout << "Obj moved for " << m_name << endl; obj.m_name = nullptr; } myEmp& myEmp::operator=(myEmp&& obj) noexcept { if(&obj!=this) { delete[] m_name; m_name = obj.m_name; cout << "Obj assigned using move for " << m_name << endl; obj.m_name = nullptr; } return *this; } myEmp::~myEmp() { cout << "Obj destructed for " << m_name << endl; delete[] m_name; m_name = nullptr; } void myEmp::displayWelcome() { cout << "Hello " << m_name << endl; } void myEmp::setName(char* iName) { delete m_name; char* tmp = iName; int len = 0; for(;*tmp!='\0';++tmp) { len++; } m_name = new char[len]; strcpy(m_name,iName); cout << "Obj updated to " << m_name << endl; } int main() { /*myEmp obj_1((char*)"Ketan"); cout << endl; myEmp obj_2(obj_1); obj_2.setName((char*)"Ketan_Copied"); cout << endl; myEmp obj_3; obj_3 = obj_1; obj_3.setName((char*)"Ketan_Assigned"); cout << endl;*/ myEmp obj_4((char*)"Ketan_Unknown_1"); myEmp obj_5((char*)"Ketan_Unknown_2"); obj_5 = move(obj_4); obj_5.setName((char*)"Ketan_Move_Assigned"); cout << endl << endl; //obj_1.displayWelcome(); //obj_2.displayWelcome(); //obj_3.displayWelcome(); obj_5.displayWelcome(); cout << endl << endl; return 0; }

RuleOfFive