狠狠撸

c++ c++11 weak_ptr shared_ptr smart pointers new heap calloc malloc references pointers dynamic memory management c++ 11 static_cast const_cast casting cstring string variable types visual c++ programming c++/cli dynamic casting diamond problem virtual deastructor vtable vpointer friend function dynamic binding multiple inheritance virtual destructor virtual function virtual polymorphism inheritance object oriented programming realloc c dynamic memory management c++ software developing free pointer arithmatics pass by references passby value unique_ptr