Null object pattern: Difference between revisions

Revision as of 18:51, 7 August 2024

Revision as of 20:44, 17 February 2025

Line 173:

<syntaxhighlight lang="cpp">

import std;

#include <iostream>

class Animal {

Line 182:

};

class Dog : public Animal {

public:

virtual void MakeSound() const override { std::cout << println("woof!" << std::endl); }

};

class NullAnimal : public Animal {

public:

virtual void MakeSound() const override {}