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To correct this example, the destructor for Base should be declared virtual. This ensures that the object b refers to will be correctly evaluated at runtime thus, deleting b will call the destructor for class Derived.
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classcclass Base { public: Base() { // Build Base object } virtual ~Base() { // Destroy Base object } }; class Derived : public Base { public: Derived() { // Build Derived object } ~Derived() { // Destroy Derived object } }; void mainfunction(void) { Base* b = new Derived(); // ... delete b; } |