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  2. Composition over inheritance - Wikipedia

    en.wikipedia.org/wiki/Composition_over_inheritance

    class Object {public: virtual void update {// no-op} virtual void draw {// no-op} virtual void collide (Object objects []) {// no-op}}; class Visible: public Object {Model * model; public: virtual void draw override {// code to draw a model at the position of this object}}; class Solid: public Object {public: virtual void collide (Object objects []) override {// code to check for and react to ...

  3. Virtual inheritance - Wikipedia

    en.wikipedia.org/wiki/Virtual_inheritance

    struct Animal {virtual ~ Animal = default; // Explicitly show that the default class destructor will be made. virtual void Eat {}}; struct Mammal: Animal {virtual void Breathe {}}; struct WingedAnimal: Animal {virtual void Flap {}}; // A bat is a winged mammal struct Bat: Mammal, WingedAnimal {};

  4. Virtual function - Wikipedia

    en.wikipedia.org/wiki/Virtual_function

    class Animal {public: // Intentionally not virtual: void Move {std:: cout << "This animal moves in some way" << std:: endl;} virtual void Eat = 0;}; // The class "Animal" may possess a definition for Eat if desired. class Llama: public Animal {public: // The non virtual function Move is inherited but not overridden. void Eat override {std:: cout << "Llamas eat grass!"

  5. Virtual method table - Wikipedia

    en.wikipedia.org/wiki/Virtual_method_table

    An object's virtual method table will contain the addresses of the object's dynamically bound methods. Method calls are performed by fetching the method's address from the object's virtual method table. The virtual method table is the same for all objects belonging to the same class, and is therefore typically shared between them.

  6. Factory method pattern - Wikipedia

    en.wikipedia.org/wiki/Factory_method_pattern

    In object-oriented programming, the factory method pattern is a design pattern that uses factory methods to deal with the problem of creating objects without having to specify their exact classes.

  7. Hooking - Wikipedia

    en.wikipedia.org/wiki/Hooking

    #include <iostream> #include "windows.h" using namespace std; class VirtualClass {public: int number; virtual void VirtualFn1 //This is the virtual function that will be hooked. {cout << "VirtualFn1 called "<< number ++ << " \n\n ";}}; using VirtualFn1_t = void (__thiscall *)(void * thisptr); VirtualFn1_t orig_VirtualFn1; void __fastcall ...

  8. Null object pattern - Wikipedia

    en.wikipedia.org/wiki/Null_object_pattern

    In object-oriented computer programming, a null object is an object with no referenced value or with defined neutral (null) behavior.The null object design pattern, which describes the uses of such objects and their behavior (or lack thereof), was first published as "Void Value" [1] and later in the Pattern Languages of Program Design book series as "Null Object".

  9. Decorator pattern - Wikipedia

    en.wikipedia.org/wiki/Decorator_pattern

    In object-oriented programming, the decorator pattern is a design pattern that allows behavior to be added to an individual object, dynamically, without affecting the behavior of other instances of the same class. [1]